diff --git a/src/app/base/components/DhcpForm/DhcpForm.test.tsx b/src/app/base/components/DhcpForm/DhcpForm.test.tsx
index 4463abce2aa..eceb81bc751 100644
--- a/src/app/base/components/DhcpForm/DhcpForm.test.tsx
+++ b/src/app/base/components/DhcpForm/DhcpForm.test.tsx
@@ -22,17 +22,17 @@ describe("DhcpForm", () => {
       dhcpsnippet: factory.dhcpSnippetState({
         items: [
           factory.dhcpSnippet({
-            created: "Thu, 15 Aug. 2019 06:21:39",
+            created: factory.timestamp("Thu, 15 Aug. 2019 06:21:39"),
             id: 1,
             name: "lease",
-            updated: "Thu, 15 Aug. 2019 06:21:39",
+            updated: factory.timestamp("Thu, 15 Aug. 2019 06:21:39"),
             value: "lease 10",
           }),
           factory.dhcpSnippet({
-            created: "Thu, 15 Aug. 2019 06:21:39",
+            created: factory.timestamp("Thu, 15 Aug. 2019 06:21:39"),
             id: 2,
             name: "class",
-            updated: "Thu, 15 Aug. 2019 06:21:39",
+            updated: factory.timestamp("Thu, 15 Aug. 2019 06:21:39"),
           }),
         ],
         loaded: true,
diff --git a/src/app/base/components/DhcpFormFields/DhcpFormFields.test.tsx b/src/app/base/components/DhcpFormFields/DhcpFormFields.test.tsx
index 8da85b0c325..c62a11cc134 100644
--- a/src/app/base/components/DhcpFormFields/DhcpFormFields.test.tsx
+++ b/src/app/base/components/DhcpFormFields/DhcpFormFields.test.tsx
@@ -37,17 +37,17 @@ describe("DhcpFormFields", () => {
       dhcpsnippet: factory.dhcpSnippetState({
         items: [
           factory.dhcpSnippet({
-            created: "Thu, 15 Aug. 2019 06:21:39",
+            created: factory.timestamp("Thu, 15 Aug. 2019 06:21:39"),
             id: 1,
             name: "lease",
-            updated: "Thu, 15 Aug. 2019 06:21:39",
+            updated: factory.timestamp("Thu, 15 Aug. 2019 06:21:39"),
             value: "lease 10",
           }),
           factory.dhcpSnippet({
-            created: "Thu, 15 Aug. 2019 06:21:39",
+            created: factory.timestamp("Thu, 15 Aug. 2019 06:21:39"),
             id: 2,
             name: "class",
-            updated: "Thu, 15 Aug. 2019 06:21:39",
+            updated: factory.timestamp("Thu, 15 Aug. 2019 06:21:39"),
           }),
         ],
         loaded: true,
diff --git a/src/app/base/components/NotificationGroup/Notification/Notification.test.tsx b/src/app/base/components/NotificationGroup/Notification/Notification.test.tsx
index 697f2da8fbf..dabc40b0e61 100644
--- a/src/app/base/components/NotificationGroup/Notification/Notification.test.tsx
+++ b/src/app/base/components/NotificationGroup/Notification/Notification.test.tsx
@@ -101,7 +101,7 @@ describe("NotificationGroupNotification", () => {
 
   it("shows the date for upgrade notifications", () => {
     const notification = factory.notification({
-      created: "Tue, 27 Apr. 2021 00:34:39",
+      created: factory.timestamp("Tue, 27 Apr. 2021 00:34:39"),
       ident: NotificationIdent.UPGRADE_STATUS,
     });
     const state = factory.rootState({
diff --git a/src/app/base/components/StatusBar/StatusBar.test.tsx b/src/app/base/components/StatusBar/StatusBar.test.tsx
index 017a66b6bc1..4a7b8a7b583 100644
--- a/src/app/base/components/StatusBar/StatusBar.test.tsx
+++ b/src/app/base/components/StatusBar/StatusBar.test.tsx
@@ -52,7 +52,7 @@ it("can show if a machine is currently commissioning", () => {
 it("can show if a machine has not been commissioned yet", () => {
   state.machine.items = [
     factory.machineDetails({
-      commissioning_start_time: "",
+      commissioning_start_time: factory.timestamp(""),
       fqdn: "test.maas",
       system_id: "abc123",
     }),
@@ -67,7 +67,7 @@ it("can show the last time a machine was commissioned", () => {
   state.machine.items = [
     factory.machineDetails({
       enable_hw_sync: false,
-      commissioning_start_time: "Thu, 31 Dec. 2020 22:59:00",
+      commissioning_start_time: factory.timestamp("Thu, 31 Dec. 2020 22:59:00"),
       fqdn: "test.maas",
       status: NodeStatus.DEPLOYED,
       system_id: "abc123",
@@ -85,7 +85,7 @@ it("can handle an incorrectly formatted commissioning timestamp", () => {
   state.machine.items = [
     factory.machineDetails({
       enable_hw_sync: false,
-      commissioning_start_time: "2020-03-01 09:12:43",
+      commissioning_start_time: factory.timestamp("2020-03-01 09:12:43"),
       fqdn: "test.maas",
       status: NodeStatus.DEPLOYED,
       system_id: "abc123",
@@ -102,13 +102,13 @@ it("can handle an incorrectly formatted commissioning timestamp", () => {
 it("displays Last and Next sync instead of Last commissioned date for deployed machines with hardware sync enabled ", () => {
   state.machine.items = [
     factory.machineDetails({
-      commissioning_start_time: "Thu, 31 Dec. 2020 22:59:00",
+      commissioning_start_time: factory.timestamp("Thu, 31 Dec. 2020 22:59:00"),
       fqdn: "test.maas",
       status: NodeStatus.DEPLOYED,
       system_id: "abc123",
       enable_hw_sync: true,
-      last_sync: "Thu, 31 Dec. 2020 22:00:00",
-      next_sync: "Thu, 31 Dec. 2020 23:01:00",
+      last_sync: factory.timestamp("Thu, 31 Dec. 2020 22:00:00"),
+      next_sync: factory.timestamp("Thu, 31 Dec. 2020 23:01:00"),
     }),
   ];
 
@@ -131,13 +131,13 @@ it("displays Last and Next sync instead of Last commissioned date for deployed m
 it("doesn't display last or next sync for deploying machines with hardware sync enabled", () => {
   state.machine.items = [
     factory.machineDetails({
-      commissioning_start_time: "Thu, 31 Dec. 2020 22:59:00",
+      commissioning_start_time: factory.timestamp("Thu, 31 Dec. 2020 22:59:00"),
       fqdn: "test.maas",
       status: NodeStatus.DEPLOYING,
       system_id: "abc123",
       enable_hw_sync: true,
-      last_sync: "Thu, 31 Dec. 2020 22:00:00",
-      next_sync: "Thu, 31 Dec. 2020 23:01:00",
+      last_sync: factory.timestamp("Thu, 31 Dec. 2020 22:00:00"),
+      next_sync: factory.timestamp("Thu, 31 Dec. 2020 23:01:00"),
     }),
   ];
 
@@ -159,13 +159,13 @@ it("doesn't display last or next sync for deploying machines with hardware sync
 it("displays correct text for machines with hardware sync enabled and no last_sync or next_sync", () => {
   state.machine.items = [
     factory.machineDetails({
-      commissioning_start_time: "Thu, 31 Dec. 2020 22:59:00",
+      commissioning_start_time: factory.timestamp("Thu, 31 Dec. 2020 22:59:00"),
       fqdn: "test.maas",
       status: NodeStatus.DEPLOYED,
       system_id: "abc123",
       enable_hw_sync: true,
-      last_sync: "",
-      next_sync: "",
+      last_sync: factory.timestamp("Thu, 31 Dec. 2020 22:00:00"),
+      next_sync: factory.timestamp("Thu, 31 Dec. 2020 23:01:00"),
     }),
   ];
 
@@ -189,7 +189,7 @@ it("displays correct text for machines with hardware sync enabled and no last_sy
 
 it("displays last image sync timestamp for a rack or region+rack controller", () => {
   const controller = factory.controllerDetails({
-    last_image_sync: "Thu, 02 Jun. 2022 00:48:41",
+    last_image_sync: factory.timestamp("Thu, 02 Jun. 2022 00:48:41"),
     node_type: NodeType.RACK_CONTROLLER,
   });
   state.controller.active = controller.system_id;
diff --git a/src/app/base/components/StatusBar/StatusBar.tsx b/src/app/base/components/StatusBar/StatusBar.tsx
index 14572d968ff..3155c4af88f 100644
--- a/src/app/base/components/StatusBar/StatusBar.tsx
+++ b/src/app/base/components/StatusBar/StatusBar.tsx
@@ -18,8 +18,9 @@ import {
   isDeployedWithHardwareSync,
   isMachineDetails,
 } from "@/app/store/machine/utils";
+import type { UtcTimestamp } from "@/app/store/types/model";
 import { NodeStatus } from "@/app/store/types/node";
-import { getTimeDistanceString } from "@/app/utils/time";
+import { getUtcTimestamp, getTimeDistanceString } from "@/app/utils/time";
 
 const getLastCommissionedString = (machine: MachineDetails) => {
   if (machine.status === NodeStatus.COMMISSIONING) {
@@ -37,7 +38,7 @@ const getLastCommissionedString = (machine: MachineDetails) => {
   }
 };
 
-const getSyncStatusString = (syncStatus: string) => {
+const getSyncStatusString = (syncStatus: UtcTimestamp) => {
   if (syncStatus === "") {
     return "Never";
   }
@@ -87,7 +88,9 @@ export const StatusBar = (): JSX.Element | null => {
     isControllerDetails(activeController) &&
     (isRack(activeController) || isRegionAndRack(activeController))
   ) {
-    status = `Last image sync: ${activeController.last_image_sync}`;
+    status = `Last image sync: ${getUtcTimestamp(
+      activeController.last_image_sync
+    )}`;
   }
 
   return (
diff --git a/src/app/base/components/node/NodeLogs/EventLogs/EventLogs.test.tsx b/src/app/base/components/node/NodeLogs/EventLogs/EventLogs.test.tsx
index d5645502d58..2b53485d9bc 100644
--- a/src/app/base/components/node/NodeLogs/EventLogs/EventLogs.test.tsx
+++ b/src/app/base/components/node/NodeLogs/EventLogs/EventLogs.test.tsx
@@ -60,7 +60,7 @@ describe("EventLogs", () => {
       state.event.items.push(
         factory.eventRecord({
           node_id: 1,
-          created: "Tue, 16 Mar. 2021 03:04:00",
+          created: factory.timestamp("Tue, 16 Mar. 2021 03:04:00"),
         })
       );
     }
@@ -116,7 +116,7 @@ describe("EventLogs", () => {
       state.event.items.push(
         factory.eventRecord({
           node_id: 1,
-          created: "Tue, 16 Mar. 2021 03:04:00",
+          created: factory.timestamp("Tue, 16 Mar. 2021 03:04:00"),
         })
       );
     }
@@ -156,11 +156,11 @@ describe("EventLogs", () => {
   it("orders the rows by most recent first", () => {
     state.event.items = [
       factory.eventRecord({
-        created: "Tue, 16 Mar. 2021 03:04:00",
+        created: factory.timestamp("Tue, 16 Mar. 2021 03:04:00"),
         node_id: 1,
       }),
       factory.eventRecord({
-        created: "Tue, 17 Mar. 2021 03:04:00",
+        created: factory.timestamp("Tue, 17 Mar. 2021 03:04:00"),
         node_id: 1,
       }),
     ];
@@ -221,7 +221,7 @@ describe("EventLogs", () => {
       state.event.items.push(
         factory.eventRecord({
           node_id: 1,
-          created: "Tue, 16 Mar. 2021 03:04:00",
+          created: factory.timestamp("Tue, 16 Mar. 2021 03:04:00"),
         })
       );
     }
@@ -239,7 +239,7 @@ describe("EventLogs", () => {
       state.event.items.push(
         factory.eventRecord({
           node_id: 1,
-          created: "Tue, 16 Mar. 2021 03:04:00",
+          created: factory.timestamp("Tue, 16 Mar. 2021 03:04:00"),
         })
       );
     }
@@ -273,7 +273,7 @@ describe("EventLogs", () => {
       state.event.items.push(
         factory.eventRecord({
           node_id: 1,
-          created: "Tue, 16 Mar. 2021 03:04:00",
+          created: factory.timestamp("Tue, 16 Mar. 2021 03:04:00"),
         })
       );
     }
@@ -292,7 +292,7 @@ describe("EventLogs", () => {
       state.event.items.push(
         factory.eventRecord({
           node_id: 1,
-          created: "Tue, 16 Mar. 2021 03:04:00",
+          created: factory.timestamp("Tue, 16 Mar. 2021 03:04:00"),
         })
       );
     }
@@ -311,7 +311,7 @@ describe("EventLogs", () => {
       state.event.items.push(
         factory.eventRecord({
           node_id: 1,
-          created: "Tue, 16 Mar. 2021 03:04:00",
+          created: factory.timestamp("Tue, 16 Mar. 2021 03:04:00"),
         })
       );
     }
diff --git a/src/app/base/components/node/NodeTestsTable/NodeTestsTable.tsx b/src/app/base/components/node/NodeTestsTable/NodeTestsTable.tsx
index 8a82a260e8d..77b283f1035 100644
--- a/src/app/base/components/node/NodeTestsTable/NodeTestsTable.tsx
+++ b/src/app/base/components/node/NodeTestsTable/NodeTestsTable.tsx
@@ -19,6 +19,7 @@ import type { ScriptResult } from "@/app/store/scriptresult/types";
 import { ScriptResultType } from "@/app/store/scriptresult/types";
 import { canBeSuppressed } from "@/app/store/scriptresult/utils";
 import { nodeIsMachine } from "@/app/store/utils";
+import { getUtcTimestamp } from "@/app/utils/time";
 
 export enum ScriptResultAction {
   VIEW_METRICS = "viewMetrics",
@@ -131,7 +132,7 @@ const NodeTestsTable = ({ node, scriptResults }: Props): JSX.Element => {
         },
         {
           className: "date-col",
-          content: result.updated,
+          content: getUtcTimestamp(result.updated),
         },
         {
           className: "runtime-col",
diff --git a/src/app/images/components/ImagesTable/ImagesTable.test.tsx b/src/app/images/components/ImagesTable/ImagesTable.test.tsx
index 9c7a2b30e5f..7f4bbfe8cc8 100644
--- a/src/app/images/components/ImagesTable/ImagesTable.test.tsx
+++ b/src/app/images/components/ImagesTable/ImagesTable.test.tsx
@@ -98,7 +98,7 @@ it("renders the correct status for a downloaded image that is not selected", ()
 });
 
 it("renders the time of last update", () => {
-  const lastUpdate = "Mon, 30 Jan. 2023 15:54:44";
+  const lastUpdate = factory.timestamp("Mon, 30 Jan. 2023 15:54:44");
   const resource = factory.bootResource({
     arch: "amd64",
     complete: true,
@@ -304,7 +304,7 @@ it("disables delete action for images being downloaded", async () => {
 });
 
 it("displays a correct last deployed time and machine count", () => {
-  const lastDeployed = "Fri, 18 Nov. 2022 09:55:21";
+  const lastDeployed = factory.timestamp("Fri, 18 Nov. 2022 09:55:21");
   const resources = [
     factory.bootResource({
       arch: "amd64",
@@ -358,7 +358,7 @@ it("can handle empty string for last deployed time", () => {
     factory.bootResource({
       arch: "amd64",
       name: "ubuntu/focal",
-      lastDeployed: "",
+      lastDeployed: factory.timestamp(""),
       machineCount: 768,
     }),
   ];
@@ -403,20 +403,20 @@ it("can sort by last deployed time", async () => {
       name: "ubuntu/xenial",
       arch: "amd64",
       title: "16.04 LTS",
-      lastDeployed: "Tue, 16 Nov. 2022 09:55:21",
+      lastDeployed: factory.timestamp("Tue, 16 Nov. 2022 09:55:21"),
     }),
     factory.bootResource({
       arch: "amd64",
       name: "ubuntu/focal",
       title: "20.04 LTS",
-      lastDeployed: "Thu, 17 Nov. 2022 09:55:21",
+      lastDeployed: factory.timestamp("Thu, 17 Nov. 2022 09:55:21"),
       machineCount: 768,
     }),
     factory.bootResource({
       name: "ubuntu/bionic",
       arch: "i386",
       title: "18.04 LTS",
-      lastDeployed: "Wed, 18 Nov. 2022 08:55:21",
+      lastDeployed: factory.timestamp("Wed, 18 Nov. 2022 08:55:21"),
     }),
   ];
   const state = factory.rootState({
@@ -465,20 +465,20 @@ it("sorts by release by default", () => {
       arch: "amd64",
       name: "ubuntu/focal",
       title: "20.04 LTS",
-      lastDeployed: "Thu, 17 Nov. 2022 09:55:21",
+      lastDeployed: factory.timestamp("Thu, 17 Nov. 2022 09:55:21"),
       machineCount: 768,
     }),
     factory.bootResource({
       name: "ubuntu/bionic",
       arch: "i386",
       title: "18.04 LTS",
-      lastDeployed: "Wed, 18 Nov. 2022 08:55:21",
+      lastDeployed: factory.timestamp("Wed, 18 Nov. 2022 08:55:21"),
     }),
     factory.bootResource({
       name: "ubuntu/xenial",
       arch: "amd64",
       title: "16.04 LTS",
-      lastDeployed: "Tue, 16 Nov. 2022 09:55:21",
+      lastDeployed: factory.timestamp("Tue, 16 Nov. 2022 09:55:21"),
     }),
   ];
   const state = factory.rootState({
diff --git a/src/app/settings/views/Dhcp/DhcpForm/DhcpForm.test.tsx b/src/app/settings/views/Dhcp/DhcpForm/DhcpForm.test.tsx
index cdb9d899676..c33c16aab8f 100644
--- a/src/app/settings/views/Dhcp/DhcpForm/DhcpForm.test.tsx
+++ b/src/app/settings/views/Dhcp/DhcpForm/DhcpForm.test.tsx
@@ -17,17 +17,13 @@ describe("DhcpForm", () => {
       dhcpsnippet: factory.dhcpSnippetState({
         items: [
           factory.dhcpSnippet({
-            created: "Thu, 15 Aug. 2019 06:21:39",
             id: 1,
             name: "lease",
-            updated: "Thu, 15 Aug. 2019 06:21:39",
             value: "lease 10",
           }),
           factory.dhcpSnippet({
-            created: "Thu, 15 Aug. 2019 06:21:39",
             id: 2,
             name: "class",
-            updated: "Thu, 15 Aug. 2019 06:21:39",
           }),
         ],
         loaded: true,
diff --git a/src/app/settings/views/Dhcp/DhcpList/DhcpList.tsx b/src/app/settings/views/Dhcp/DhcpList/DhcpList.tsx
index 16d2f7d5c11..69c379a7e75 100644
--- a/src/app/settings/views/Dhcp/DhcpList/DhcpList.tsx
+++ b/src/app/settings/views/Dhcp/DhcpList/DhcpList.tsx
@@ -2,7 +2,6 @@ import { useEffect, useState } from "react";
 
 import { ContentSection } from "@canonical/maas-react-components";
 import { Code, Col, Row } from "@canonical/react-components";
-import { format, parse } from "date-fns";
 import { useDispatch, useSelector } from "react-redux";
 import type { Dispatch } from "redux";
 
@@ -34,6 +33,7 @@ import type { RootState } from "@/app/store/root/types";
 import { subnetActions } from "@/app/store/subnet";
 import subnetSelectors from "@/app/store/subnet/selectors";
 import type { Subnet } from "@/app/store/subnet/types";
+import { formatUtcTimestamp } from "@/app/utils/time";
 
 const getTargetName = (
   controllers: Controller[],
@@ -80,10 +80,7 @@ const generateRows = (
     const expanded = expandedId === dhcpsnippet.id;
     // Dates are in the format: Thu, 15 Aug. 2019 06:21:39.
     const updated = dhcpsnippet.updated
-      ? format(
-          parse(dhcpsnippet.updated, "E, dd LLL. yyyy HH:mm:ss", new Date()),
-          "yyyy-LL-dd H:mm"
-        )
+      ? formatUtcTimestamp(dhcpsnippet.updated)
       : "Never";
     const enabled = dhcpsnippet.enabled ? "Yes" : "No";
     const showDelete = expandedType === "delete";
diff --git a/src/app/settings/views/Repositories/RepositoryForm/RepositoryForm.test.tsx b/src/app/settings/views/Repositories/RepositoryForm/RepositoryForm.test.tsx
index 7b330e44aca..7ed4129d5ac 100644
--- a/src/app/settings/views/Repositories/RepositoryForm/RepositoryForm.test.tsx
+++ b/src/app/settings/views/Repositories/RepositoryForm/RepositoryForm.test.tsx
@@ -193,8 +193,8 @@ describe("RepositoryForm", () => {
     const store = mockStore(state);
     const repository = {
       id: 9,
-      created: "Tue, 27 Aug. 2019 12:39:12",
-      updated: "Tue, 27 Aug. 2019 12:39:12",
+      created: factory.timestamp("Tue, 27 Aug. 2019 12:39:12"),
+      updated: factory.timestamp("Tue, 27 Aug. 2019 12:39:12"),
       name: "name",
       url: "http://www.website.com",
       distributions: [],
diff --git a/src/app/settings/views/Scripts/ScriptsList/ScriptsList.test.tsx b/src/app/settings/views/Scripts/ScriptsList/ScriptsList.test.tsx
index cfab712df3a..8bb51eb836b 100644
--- a/src/app/settings/views/Scripts/ScriptsList/ScriptsList.test.tsx
+++ b/src/app/settings/views/Scripts/ScriptsList/ScriptsList.test.tsx
@@ -300,7 +300,7 @@ describe("ScriptsList", () => {
         loaded: true,
         items: [
           factory.script({
-            created: "Thu, 31 Dec. 2020 22:59:00",
+            created: factory.timestamp("Thu, 31 Dec. 2020 22:59:00"),
             script_type: ScriptType.TESTING,
           }),
         ],
@@ -326,7 +326,7 @@ describe("ScriptsList", () => {
         loaded: true,
         items: [
           factory.script({
-            created: "",
+            created: factory.timestamp(""),
             script_type: ScriptType.TESTING,
           }),
         ],
diff --git a/src/app/settings/views/Users/UsersList/UsersList.tsx b/src/app/settings/views/Users/UsersList/UsersList.tsx
index 4e4b6c69e33..66d235a145f 100644
--- a/src/app/settings/views/Users/UsersList/UsersList.tsx
+++ b/src/app/settings/views/Users/UsersList/UsersList.tsx
@@ -2,7 +2,6 @@ import { useEffect, useState } from "react";
 
 import { ContentSection } from "@canonical/maas-react-components";
 import { Notification } from "@canonical/react-components";
-import { format, parse } from "date-fns";
 import { useDispatch, useSelector } from "react-redux";
 
 import TableActions from "@/app/base/components/TableActions";
@@ -23,6 +22,7 @@ import { userActions } from "@/app/store/user";
 import userSelectors from "@/app/store/user/selectors";
 import type { User } from "@/app/store/user/types";
 import { isComparable } from "@/app/utils";
+import { formatUtcTimestamp } from "@/app/utils/time";
 
 type SortKey = keyof User;
 
@@ -35,10 +35,7 @@ const generateUserRows = (
     const isAuthUser = user.id === authUser?.id;
     // Dates are in the format: Thu, 15 Aug. 2019 06:21:39.
     const last_login = user.last_login
-      ? format(
-          parse(user.last_login, "E, dd LLL. yyyy HH:mm:ss", new Date()),
-          "yyyy-LL-dd H:mm"
-        )
+      ? formatUtcTimestamp(user.last_login)
       : "Never";
     const fullName = user.last_name;
     return {
diff --git a/src/app/store/bootresource/types/base.ts b/src/app/store/bootresource/types/base.ts
index 6d8e4bb39cc..08402eeb724 100644
--- a/src/app/store/bootresource/types/base.ts
+++ b/src/app/store/bootresource/types/base.ts
@@ -1,6 +1,6 @@
 import type { BootResourceSourceType, BootResourceType } from "./enum";
 
-import type { Model } from "@/app/store/types/model";
+import type { Model, UtcTimestamp } from "@/app/store/types/model";
 
 export type BaseImageFields = {
   checked: boolean;
@@ -15,8 +15,8 @@ export type BootResource = Model & {
   complete: boolean;
   downloading: boolean;
   icon: "in-progress" | "queued" | "succeeded" | "waiting";
-  lastUpdate: string;
-  lastDeployed: string;
+  lastUpdate: UtcTimestamp;
+  lastDeployed: UtcTimestamp;
   machineCount: number;
   name: string;
   numberOfNodes: number;
diff --git a/src/app/store/controller/types/base.ts b/src/app/store/controller/types/base.ts
index 6468345e289..e9768088684 100644
--- a/src/app/store/controller/types/base.ts
+++ b/src/app/store/controller/types/base.ts
@@ -8,7 +8,11 @@ import type {
 import type { APIError } from "@/app/base/types";
 import type { CertificateMetadata, PowerType } from "@/app/store/general/types";
 import type { PowerState, StorageLayout } from "@/app/store/types/enum";
-import type { ModelRef, TimestampFields } from "@/app/store/types/model";
+import type {
+  ModelRef,
+  TimestampFields,
+  UtcTimestamp,
+} from "@/app/store/types/model";
 import type {
   NodeActions,
   BaseNode,
@@ -65,7 +69,7 @@ export type ControllerActions =
 
 export type BaseController = BaseNode & {
   actions: ControllerActions[];
-  last_image_sync: string;
+  last_image_sync: UtcTimestamp;
   link_type: NodeLinkType.CONTROLLER;
   node_type_display:
     | NodeTypeDisplay.RACK_CONTROLLER
diff --git a/src/app/store/machine/types/base.ts b/src/app/store/machine/types/base.ts
index 23f0c91de10..e265e42406a 100644
--- a/src/app/store/machine/types/base.ts
+++ b/src/app/store/machine/types/base.ts
@@ -5,7 +5,11 @@ import type { ActionState, APIError, Seconds } from "@/app/base/types";
 import type { CloneError } from "@/app/machines/components/MachineForms/MachineActionFormWrapper/CloneForm/CloneResults/CloneResults";
 import type { CertificateMetadata, PowerType } from "@/app/store/general/types";
 import type { PowerState, StorageLayout } from "@/app/store/types/enum";
-import type { ModelRef, TimestampFields } from "@/app/store/types/model";
+import type {
+  ModelRef,
+  TimestampFields,
+  UtcTimestamp,
+} from "@/app/store/types/model";
 import type {
   BaseNode,
   Disk,
@@ -69,7 +73,7 @@ export type MachineDetails = BaseMachine &
     bmc: number;
     boot_disk: Disk | null;
     certificate?: CertificateMetadata;
-    commissioning_start_time: string;
+    commissioning_start_time: UtcTimestamp;
     commissioning_status: TestStatus;
     cpu_speed: BaseNode["cpu_speed"];
     cpu_test_status: TestStatus;
@@ -122,8 +126,8 @@ type HardwareSyncFields =
     }
   | {
       enable_hw_sync: true;
-      last_sync: string;
-      next_sync: string;
+      last_sync: UtcTimestamp;
+      next_sync: UtcTimestamp;
       is_sync_healthy: boolean;
       sync_interval: Seconds;
     };
diff --git a/src/app/store/scriptresult/types/base.ts b/src/app/store/scriptresult/types/base.ts
index bf494a68cfb..b81a85567b4 100644
--- a/src/app/store/scriptresult/types/base.ts
+++ b/src/app/store/scriptresult/types/base.ts
@@ -9,7 +9,7 @@ import type {
 
 import type { HardwareType } from "@/app/base/enum";
 import type { APIError } from "@/app/base/types";
-import type { Model } from "@/app/store/types/model";
+import type { Model, UtcTimestamp } from "@/app/store/types/model";
 import type { NetworkInterface } from "@/app/store/types/node";
 import type { GenericState } from "@/app/store/types/state";
 
@@ -29,7 +29,7 @@ export type PartialScriptResult = Model & {
   status: ScriptResultStatus;
   status_name: string;
   suppressed: boolean;
-  updated?: string;
+  updated?: UtcTimestamp;
 };
 
 export type ScriptResult = PartialScriptResult & {
@@ -76,7 +76,7 @@ export type ScriptResult = PartialScriptResult & {
   results: ScriptResultResult[];
   script?: number;
   script_version?: number | null;
-  started?: string;
+  started?: UtcTimestamp;
   tags: string;
 };
 
diff --git a/src/app/store/types/model.ts b/src/app/store/types/model.ts
index ee3ec4aac90..8d48cdd8fe7 100644
--- a/src/app/store/types/model.ts
+++ b/src/app/store/types/model.ts
@@ -2,9 +2,11 @@ export type Model = {
   id: number;
 };
 
+// Expected format: "Thu, 15 Aug. 2019 06:21:39" or ""
+export type UtcTimestamp = string & { readonly __brand: unique symbol };
 export type TimestampFields = {
-  created: string;
-  updated: string;
+  created: UtcTimestamp;
+  updated: UtcTimestamp;
 };
 
 export type TimestampedModel = Model & TimestampFields;
diff --git a/src/app/store/user/types/base.ts b/src/app/store/user/types/base.ts
index f7b6c6c099e..8891dbfef2d 100644
--- a/src/app/store/user/types/base.ts
+++ b/src/app/store/user/types/base.ts
@@ -1,5 +1,5 @@
 import type { APIError } from "@/app/base/types";
-import type { Model } from "@/app/store/types/model";
+import type { Model, UtcTimestamp } from "@/app/store/types/model";
 import type { GenericState } from "@/app/store/types/state";
 
 export type User = Model & {
@@ -9,7 +9,7 @@ export type User = Model & {
   is_local: boolean;
   is_superuser: boolean;
   last_name: string;
-  last_login: string;
+  last_login: UtcTimestamp;
   machines_count: number;
   sshkeys_count: number;
   username: string;
diff --git a/src/app/subnets/views/SubnetDetails/SubnetUsedIPs/SubnetUsedIPs.test.tsx b/src/app/subnets/views/SubnetDetails/SubnetUsedIPs/SubnetUsedIPs.test.tsx
index f8e1081b243..6eec4d69916 100644
--- a/src/app/subnets/views/SubnetDetails/SubnetUsedIPs/SubnetUsedIPs.test.tsx
+++ b/src/app/subnets/views/SubnetDetails/SubnetUsedIPs/SubnetUsedIPs.test.tsx
@@ -12,18 +12,14 @@ const mockStore = configureStore();
 it("displays correct IP addresses", () => {
   const subnet = factory.subnetDetails({
     ip_addresses: [
-      {
+      factory.subnetIP({
         ip: "11.1.1.1",
         alloc_type: 4,
-        created: "yesterday",
-        updated: "today",
-      },
-      {
+      }),
+      factory.subnetIP({
         ip: "11.1.1.2",
         alloc_type: 5,
-        created: "yesterday",
-        updated: "today",
-      },
+      }),
     ],
   });
   const state = factory.rootState({
diff --git a/src/app/utils/time.test.ts b/src/app/utils/time.test.ts
index 9aa4b5aa24d..62944bbd326 100644
--- a/src/app/utils/time.test.ts
+++ b/src/app/utils/time.test.ts
@@ -1,7 +1,14 @@
 import MockDate from "mockdate";
 import timezoneMock from "timezone-mock";
 
-import { formatUtcDatetime, getTimeDistanceString } from "./time";
+import {
+  formatUtcTimestamp,
+  getTimeDistanceString,
+  getUtcTimestamp,
+} from "./time";
+
+import type { UtcTimestamp } from "@/app/store/types/model";
+import * as factory from "@/testing/factories";
 
 beforeEach(() => {
   MockDate.set("Fri, 18 Nov. 2022 01:01:00");
@@ -13,27 +20,41 @@ afterEach(() => {
 
 describe("getTimeDistanceString", () => {
   it("returns time distance for UTC TimeString in the past", () => {
-    expect(getTimeDistanceString("Fri, 18 Nov. 2022 01:00:50")).toEqual(
-      "less than a minute ago"
-    );
+    expect(
+      getTimeDistanceString("Fri, 18 Nov. 2022 01:00:50" as UtcTimestamp)
+    ).toEqual("less than a minute ago");
   });
   it("returns time distance for UTC TimeString in the future", () => {
-    expect(getTimeDistanceString("Fri, 18 Nov. 2022 01:01:10")).toEqual(
-      "in less than a minute"
-    );
+    expect(
+      getTimeDistanceString("Fri, 18 Nov. 2022 01:01:10" as UtcTimestamp)
+    ).toEqual("in less than a minute");
   });
 });
 
-describe("formatUtcDatetime", () => {
+describe("formatUtcTimestamp", () => {
   it("returns UTC date time in a correct format", () => {
-    expect(formatUtcDatetime("Fri, 18 Nov. 2022 01:00:50")).toEqual(
-      "Fri, 18 Nov. 2022 01:00:50"
-    );
+    expect(
+      formatUtcTimestamp("Fri, 18 Nov. 2022 01:00:50" as UtcTimestamp)
+    ).toEqual("Fri, 18 Nov. 2022 01:00:50");
   });
   it("returns UTC date time in local time", () => {
     timezoneMock.register("Etc/GMT-1");
-    expect(formatUtcDatetime("Fri, 18 Nov. 2022 03:00:00")).toEqual(
-      "Fri, 18 Nov. 2022 04:00:00"
-    );
+    expect(
+      formatUtcTimestamp("Fri, 18 Nov. 2022 03:00:00" as UtcTimestamp)
+    ).toEqual("Fri, 18 Nov. 2022 04:00:00");
+  });
+});
+
+describe("getUtcTimestamp", () => {
+  it("appends (UTC) to the given time string", () => {
+    const inputTimeString = "Fri, 18 Nov. 2022 01:00:50" as UtcTimestamp;
+    const expectedOutput = "Fri, 18 Nov. 2022 01:00:50 (UTC)";
+    expect(getUtcTimestamp(inputTimeString)).toEqual(expectedOutput);
+  });
+
+  it("works with different date formats", () => {
+    const inputTimeString = factory.timestamp("2022-11-18T01:00:50Z");
+    const expectedOutput = "2022-11-18T01:00:50Z (UTC)";
+    expect(getUtcTimestamp(inputTimeString)).toEqual(expectedOutput);
   });
 });
diff --git a/src/app/utils/time.ts b/src/app/utils/time.ts
index 71ff73a5a2d..e342ecf8223 100644
--- a/src/app/utils/time.ts
+++ b/src/app/utils/time.ts
@@ -1,23 +1,40 @@
 import { format, formatDistance, parse } from "date-fns";
 
+import type { UtcTimestamp } from "@/app/store/types/model";
+
 const DATETIME_FORMAT = "E, dd LLL. yyyy HH:mm:ss";
 const UTC_DATETIME_FORMAT = `${DATETIME_FORMAT} x`;
 
-export const parseUtcDatetime = (utcTimeString: string): Date =>
+export const parseUtcDatetime = (utcTimeString: UtcTimestamp): Date =>
   parse(
     `${utcTimeString} +00`, // let parse fn know it's UTC
     UTC_DATETIME_FORMAT,
     new Date()
   );
 
-export const getTimeDistanceString = (utcTimeString: string): string =>
+export const getTimeDistanceString = (utcTimeString: UtcTimestamp): string =>
   formatDistance(parseUtcDatetime(utcTimeString), new Date(), {
     addSuffix: true,
   });
 
 /**
- * @param utcTimeString - time string in UTC_DATETIME_FORMAT
- * @returns time string adjusted for local time zone in DATETIME_FORMAT
+ * Appends "(UTC)" to a given string to indicate the time zone explicitly.
+ * @param utcTimeString - time string in UTC
+ * @returns Time string with appended "(UTC)"
+ */
+export const getUtcTimestamp = (utcTimeString?: UtcTimestamp): string =>
+  utcTimeString ? utcTimeString + " (UTC)" : "";
+
+/**
+ * Formats a given UTC time string into a more readable format and appends "(UTC)" to indicate the time zone explicitly.
+ * It converts the time string from "E, dd LLL. yyyy HH:mm:ss" format to "yyyy-LL-dd H:mm" format.
+ * @param utcTimeString - time string in UTC to be formatted
+ * @returns Formatted time string with appended "(UTC)"
  */
-export const formatUtcDatetime = (utcTimeString: string): string =>
-  format(parseUtcDatetime(utcTimeString), DATETIME_FORMAT);
+export const formatUtcTimestamp = (utcTimeString?: UtcTimestamp): string =>
+  utcTimeString
+    ? format(
+        parse(utcTimeString, "E, dd LLL. yyyy HH:mm:ss", new Date()),
+        "yyyy-LL-dd H:mm"
+      ) + " (UTC)"
+    : "";
diff --git a/src/testing/factories/bootresource.ts b/src/testing/factories/bootresource.ts
index 68380cc62ba..03d9791139a 100644
--- a/src/testing/factories/bootresource.ts
+++ b/src/testing/factories/bootresource.ts
@@ -1,5 +1,6 @@
 import { define, extend } from "cooky-cutter";
 
+import { timestamp } from "./general";
 import { model } from "./model";
 
 import type {
@@ -34,8 +35,8 @@ export const bootResource = extend<Model, BootResource>(model, {
   downloading: false,
   machineCount: 0,
   numberOfNodes: 0,
-  lastUpdate: "Tue, 08 Jun. 2021 02:12:47",
-  lastDeployed: "Tue, 08 Jun. 2021 02:12:47",
+  lastUpdate: timestamp("Tue, 08 Jun. 2021 02:12:47"),
+  lastDeployed: timestamp("Tue, 08 Jun. 2021 02:12:47"),
   canDeployToMemory: true,
 });
 
diff --git a/src/testing/factories/dhcpsnippet.ts b/src/testing/factories/dhcpsnippet.ts
index e40c4b20311..dacc89ab1e2 100644
--- a/src/testing/factories/dhcpsnippet.ts
+++ b/src/testing/factories/dhcpsnippet.ts
@@ -7,9 +7,10 @@ import type {
   DHCPSnippetHistory,
 } from "@/app/store/dhcpsnippet/types";
 import type { Model, TimestampedModel } from "@/app/store/types/model";
+import { timestamp } from "@/testing/factories";
 
 export const dhcpSnippetHistory = extend<Model, DHCPSnippetHistory>(model, {
-  created: "Wed, 08 Jul. 2020 05:35:4",
+  created: timestamp("Wed, 08 Jul. 2020 05:35:04"),
   value: "test value",
 });
 
diff --git a/src/testing/factories/general.ts b/src/testing/factories/general.ts
index 9802943713a..ceb20ab38b3 100644
--- a/src/testing/factories/general.ts
+++ b/src/testing/factories/general.ts
@@ -29,6 +29,7 @@ import {
   PowerFieldScope,
   PowerFieldType,
 } from "@/app/store/general/types";
+import type { UtcTimestamp } from "@/app/store/types/model";
 import { NodeActions } from "@/app/store/types/node";
 
 export const architecture = define<Architecture>("amd64");
@@ -126,3 +127,7 @@ export const tlsCertificate = define<TLSCertificate>({
 });
 
 export const version = define<Version>("test version");
+
+export const timestamp = define<UtcTimestamp>(
+  "Wed, 08 Jul. 2020 05:35:4" as UtcTimestamp
+);
diff --git a/src/testing/factories/index.ts b/src/testing/factories/index.ts
index f9b331ab199..a087bd6355f 100644
--- a/src/testing/factories/index.ts
+++ b/src/testing/factories/index.ts
@@ -170,6 +170,7 @@ export {
   powerField,
   powerFieldChoice,
   powerType,
+  timestamp,
   tlsCertificate,
   version,
 } from "./general";
diff --git a/src/testing/factories/model.ts b/src/testing/factories/model.ts
index 2c0cdef8c07..78daf66c4dd 100644
--- a/src/testing/factories/model.ts
+++ b/src/testing/factories/model.ts
@@ -1,5 +1,7 @@
 import { define, extend, random, sequence } from "cooky-cutter";
 
+import { timestamp } from "./general";
+
 import type {
   Model,
   ModelRef,
@@ -11,8 +13,8 @@ export const model = define<Model>({
 });
 
 export const timestampedModel = extend<Model, TimestampedModel>(model, {
-  created: "Wed, 19 Feb. 2020 11:59:19",
-  updated: "Fri, 03 Jul. 2020 02:44:12",
+  created: timestamp("Wed, 19 Feb. 2020 11:59:19"),
+  updated: timestamp("Fri, 03 Jul. 2020 02:44:12"),
 });
 
 export const modelRef = extend<Model, ModelRef>(model, {
diff --git a/src/testing/factories/nodes.ts b/src/testing/factories/nodes.ts
index a354158e0f1..a6b604f07d9 100644
--- a/src/testing/factories/nodes.ts
+++ b/src/testing/factories/nodes.ts
@@ -1,5 +1,6 @@
 import { define, extend, random, sequence } from "cooky-cutter";
 
+import { timestamp } from "./general";
 import { model, modelRef, timestampedModel } from "./model";
 
 import type {
@@ -211,7 +212,7 @@ export const deviceInterface = extend<NetworkInterface, DeviceNetworkInterface>(
 );
 
 export const deviceDetails = extend<Device, DeviceDetails>(device, {
-  created: "Thu, 15 Oct. 2020 07:25:10",
+  created: timestamp("Thu, 15 Oct. 2020 07:25:10"),
   description: "Device description",
   interfaces: () => [deviceInterface()],
   locked: false,
@@ -219,7 +220,7 @@ export const deviceDetails = extend<Device, DeviceDetails>(device, {
   on_network: false,
   pool: null,
   swap_size: null,
-  updated: "Thu, 15 Oct. 2020 07:25:10",
+  updated: timestamp("Thu, 15 Oct. 2020 07:25:10"),
 });
 
 const node = extend<SimpleNode, BaseNode>(simpleNode, {
@@ -307,7 +308,7 @@ export const machineEventType = extend<Model, EventType>(model, {
 });
 
 export const machineEvent = extend<Model, NodeEvent>(model, {
-  created: "Mon, 19 Oct. 2020 07:04:37",
+  created: timestamp("Mon, 19 Oct. 2020 07:04:37"),
   description: "smartctl-validate on name-VZJoCN timed out",
   type: machineEventType,
 });
@@ -335,9 +336,9 @@ export const machineDetails = extend<BaseMachine, MachineDetails>(machine, {
   bios_boot_method: "uefi",
   bmc: 190,
   boot_disk: null,
-  commissioning_start_time: "Thu, 15 Oct. 2020 07:25:10",
+  commissioning_start_time: timestamp("Thu, 15 Oct. 2020 07:25:10"),
   commissioning_status: testStatus,
-  created: "Thu, 15 Oct. 2020 07:25:10",
+  created: timestamp("Thu, 15 Oct. 2020 07:25:10"),
   current_commissioning_script_set: 6188,
   current_installation_script_set: 6174,
   current_testing_script_set: 6192,
@@ -388,13 +389,13 @@ export const machineDetails = extend<BaseMachine, MachineDetails>(machine, {
   supported_filesystems: () => [],
   cpu_speed: 1000,
   swap_size: null,
-  updated: "Fri, 23 Oct. 2020 05:24:41",
+  updated: timestamp("Fri, 23 Oct. 2020 05:24:41"),
 });
 
 export const controller = extend<BaseNode, Controller>(node, {
   actions,
   description: "a test controller",
-  last_image_sync: "Thu, 02 Jul. 2020 22:55:00",
+  last_image_sync: timestamp("Thu, 02 Jul. 2020 22:55:00"),
   link_type: NodeLinkType.CONTROLLER,
   node_type_display: NodeTypeDisplay.REGION_AND_RACK_CONTROLLER,
   node_type: 4,
@@ -412,7 +413,7 @@ export const controllerDetails = extend<Controller, ControllerDetails>(
     boot_disk: null,
     commissioning_start_time: "Thu, 15 Oct. 2020 07:25:10",
     commissioning_status: testStatus,
-    created: "Thu, 15 Oct. 2020 07:25:10",
+    created: timestamp("Thu, 15 Oct. 2020 07:25:10"),
     current_commissioning_script_set: 6188,
     current_installation_script_set: 6174,
     current_testing_script_set: 6192,
@@ -480,7 +481,7 @@ export const controllerDetails = extend<Controller, ControllerDetails>(
     swap_size: null,
     testing_start_time: "Thu, 15 Oct. 2020 07:25:10",
     testing_status: testStatus,
-    updated: "Fri, 23 Oct. 2020 05:24:41",
+    updated: timestamp("Fri, 23 Oct. 2020 05:24:41"),
     vault_configured: false,
     vlan: null,
     vlan_ids: () => [],
diff --git a/src/testing/factories/scriptResult.ts b/src/testing/factories/scriptResult.ts
index 6fe12cb3fa8..acd3af72125 100644
--- a/src/testing/factories/scriptResult.ts
+++ b/src/testing/factories/scriptResult.ts
@@ -1,5 +1,6 @@
 import { array, define, extend } from "cooky-cutter";
 
+import { timestamp } from "./general";
 import { model } from "./model";
 
 import type {
@@ -26,7 +27,7 @@ export const partialScriptResult = extend<Model, PartialScriptResult>(model, {
   status: 2,
   status_name: "test status",
   suppressed: false,
-  updated: "Fri, 13 Nov. 2020 04:50:27",
+  updated: timestamp("Fri, 13 Nov. 2020 04:50:27"),
 });
 
 export const scriptResult = extend<Model, ScriptResult>(model, {
@@ -44,13 +45,13 @@ export const scriptResult = extend<Model, ScriptResult>(model, {
   runtime: "0:00:00",
   script: 1,
   script_version: 2,
-  started: "Fri, 13 Nov. 2020 04:50:26",
+  started: timestamp("Fri, 13 Nov. 2020 04:50:26"),
   starttime: 605243026.966467,
   status: 2,
   status_name: "test status",
   suppressed: false,
   tags: "test, tags",
-  updated: "Fri, 13 Nov. 2020 04:50:27",
+  updated: timestamp("Fri, 13 Nov. 2020 04:50:27"),
 });
 
 export const scriptResultData = define<ScriptResultData>({
diff --git a/src/testing/factories/subnet.ts b/src/testing/factories/subnet.ts
index 26f79307a16..edddad2f01e 100644
--- a/src/testing/factories/subnet.ts
+++ b/src/testing/factories/subnet.ts
@@ -1,5 +1,6 @@
 import { array, define, extend, random } from "cooky-cutter";
 
+import { timestamp } from "./general";
 import { model, timestampedModel } from "./model";
 
 import { PodType } from "@/app/store/pod/constants";
@@ -68,9 +69,9 @@ export const subnetIPNodeSummary = define<SubnetIPNodeSummary>({
 
 export const subnetIP = define<SubnetIP>({
   alloc_type: IPAddressType.AUTO,
-  created: "Wed, 08 Jul. 2020 05:35:4",
+  created: timestamp("Wed, 08 Jul. 2020 05:35:04"),
   ip: "192.168.1.1",
-  updated: "Wed, 08 Jul. 2020 05:35:4",
+  updated: timestamp("Wed, 08 Jul. 2020 05:35:04"),
 });
 
 export const subnetScanFailure = define<SubnetScanFailure>({
diff --git a/src/testing/factories/user.ts b/src/testing/factories/user.ts
index 61e0c997cac..735fd7f10b6 100644
--- a/src/testing/factories/user.ts
+++ b/src/testing/factories/user.ts
@@ -1,5 +1,6 @@
 import { define, extend } from "cooky-cutter";
 
+import { timestamp } from "./general";
 import { model } from "./model";
 
 import type { Model } from "@/app/store/types/model";
@@ -15,7 +16,7 @@ export const user = extend<Model, User>(model, {
   is_local: true,
   is_superuser: true,
   last_name: "Full Name jr.",
-  last_login: "Fri, 23 Oct. 2020 00:00:00",
+  last_login: timestamp("Fri, 23 Oct. 2020 00:00:00"),
   sshkeys_count: 3,
   username: (i: number) => `user${i}`,
   machines_count: 1,