diff --git a/lexicons/tools/ozone/moderation/defs.json b/lexicons/tools/ozone/moderation/defs.json
index 23bba198f24..daa0c4e8a68 100644
--- a/lexicons/tools/ozone/moderation/defs.json
+++ b/lexicons/tools/ozone/moderation/defs.json
@@ -374,6 +374,10 @@
         "negateLabelVals": {
           "type": "array",
           "items": { "type": "string" }
+        },
+        "durationInHours": {
+          "type": "integer",
+          "description": "Indicates how long the label will remain on the subject. Only applies on labels that are being added."
         }
       }
     },
diff --git a/packages/api/src/client/lexicons.ts b/packages/api/src/client/lexicons.ts
index 36604fa13ae..b8f90be1cce 100644
--- a/packages/api/src/client/lexicons.ts
+++ b/packages/api/src/client/lexicons.ts
@@ -11549,6 +11549,11 @@ export const schemaDict = {
               type: 'string',
             },
           },
+          durationInHours: {
+            type: 'integer',
+            description:
+              'Indicates how long the label will remain on the subject. Only applies on labels that are being added.',
+          },
         },
       },
       modEventAcknowledge: {
diff --git a/packages/api/src/client/types/tools/ozone/moderation/defs.ts b/packages/api/src/client/types/tools/ozone/moderation/defs.ts
index df753c9cfc4..796e32d5749 100644
--- a/packages/api/src/client/types/tools/ozone/moderation/defs.ts
+++ b/packages/api/src/client/types/tools/ozone/moderation/defs.ts
@@ -347,6 +347,8 @@ export interface ModEventLabel {
   comment?: string
   createLabelVals: string[]
   negateLabelVals: string[]
+  /** Indicates how long the label will remain on the subject. Only applies on labels that are being added. */
+  durationInHours?: number
   [k: string]: unknown
 }
 
diff --git a/packages/ozone/src/api/moderation/emitEvent.ts b/packages/ozone/src/api/moderation/emitEvent.ts
index 7bf337e005b..47b421ad53b 100644
--- a/packages/ozone/src/api/moderation/emitEvent.ts
+++ b/packages/ozone/src/api/moderation/emitEvent.ts
@@ -207,6 +207,7 @@ const handleModerationEvent = async ({
             ? result.event.negateLabelVals.split(' ')
             : undefined,
         },
+        result.event.durationInHours ?? undefined,
       )
     }
 
diff --git a/packages/ozone/src/lexicon/lexicons.ts b/packages/ozone/src/lexicon/lexicons.ts
index 36604fa13ae..b8f90be1cce 100644
--- a/packages/ozone/src/lexicon/lexicons.ts
+++ b/packages/ozone/src/lexicon/lexicons.ts
@@ -11549,6 +11549,11 @@ export const schemaDict = {
               type: 'string',
             },
           },
+          durationInHours: {
+            type: 'integer',
+            description:
+              'Indicates how long the label will remain on the subject. Only applies on labels that are being added.',
+          },
         },
       },
       modEventAcknowledge: {
diff --git a/packages/ozone/src/lexicon/types/tools/ozone/moderation/defs.ts b/packages/ozone/src/lexicon/types/tools/ozone/moderation/defs.ts
index 572d323a298..e31a6d03dba 100644
--- a/packages/ozone/src/lexicon/types/tools/ozone/moderation/defs.ts
+++ b/packages/ozone/src/lexicon/types/tools/ozone/moderation/defs.ts
@@ -347,6 +347,8 @@ export interface ModEventLabel {
   comment?: string
   createLabelVals: string[]
   negateLabelVals: string[]
+  /** Indicates how long the label will remain on the subject. Only applies on labels that are being added. */
+  durationInHours?: number
   [k: string]: unknown
 }
 
diff --git a/packages/ozone/src/mod-service/index.ts b/packages/ozone/src/mod-service/index.ts
index ff3891ed225..b298f28a43a 100644
--- a/packages/ozone/src/mod-service/index.ts
+++ b/packages/ozone/src/mod-service/index.ts
@@ -1159,13 +1159,19 @@ export class ModerationService {
     uri: string,
     cid: string | null,
     labels: { create?: string[]; negate?: string[] },
+    durationInHours?: number,
   ): Promise<Label[]> {
+    const exp =
+      durationInHours !== undefined
+        ? addHoursToDate(durationInHours).toISOString()
+        : undefined
     const { create = [], negate = [] } = labels
     const toCreate = create.map((val) => ({
       src: this.cfg.service.did,
       uri,
       cid: cid ?? undefined,
       val,
+      exp,
       cts: new Date().toISOString(),
     }))
     const toNegate = negate.map((val) => ({
diff --git a/packages/ozone/src/mod-service/views.ts b/packages/ozone/src/mod-service/views.ts
index b52f8b47a9c..b4183f0a4d3 100644
--- a/packages/ozone/src/mod-service/views.ts
+++ b/packages/ozone/src/mod-service/views.ts
@@ -113,6 +113,7 @@ export class ModerationViews {
       [
         'tools.ozone.moderation.defs#modEventMuteReporter',
         'tools.ozone.moderation.defs#modEventTakedown',
+        'tools.ozone.moderation.defs#modEventLabel',
         'tools.ozone.moderation.defs#modEventMute',
       ].includes(event.action)
     ) {
diff --git a/packages/ozone/tests/moderation.test.ts b/packages/ozone/tests/moderation.test.ts
index b3eae62a7d5..9b9bfb17c3c 100644
--- a/packages/ozone/tests/moderation.test.ts
+++ b/packages/ozone/tests/moderation.test.ts
@@ -24,6 +24,7 @@ import { EventReverser } from '../src'
 import { ImageInvalidator } from '../src/image-invalidator'
 import { TAKEDOWN_LABEL } from '../src/mod-service'
 import { ids } from '../src/lexicon/lexicons'
+import { HOUR } from '@atproto/common'
 
 describe('moderation', () => {
   let network: TestNetwork
@@ -514,6 +515,24 @@ describe('moderation', () => {
       await expect(getRepoLabels(sc.dids.bob)).resolves.toEqual(['kittens'])
     })
 
+    it('creates expiring label', async () => {
+      await emitLabelEvent({
+        createLabelVals: ['temp'],
+        negateLabelVals: [],
+        subject: {
+          $type: 'com.atproto.admin.defs#repoRef',
+          did: sc.dids.bob,
+        },
+        durationInHours: 24,
+      })
+      const repo = await getRepo(sc.dids.bob)
+      // Losely check that the expiry date is set to above 23 hours from now
+      expect(
+        `${repo?.labels?.[0].exp}` >
+          new Date(Date.now() + 23 * HOUR).toISOString(),
+      ).toBeTruthy()
+    })
+
     it('does not allow triage moderators to label.', async () => {
       const attemptLabel = modClient.emitEvent(
         {
@@ -708,14 +727,16 @@ describe('moderation', () => {
         subject: ToolsOzoneModerationEmitEvent.InputSchema['subject']
         createLabelVals: ModEventLabel['createLabelVals']
         negateLabelVals: ModEventLabel['negateLabelVals']
+        durationInHours?: ModEventLabel['durationInHours']
       },
     ) {
-      const { createLabelVals, negateLabelVals } = opts
+      const { createLabelVals, negateLabelVals, durationInHours } = opts
       const result = await modClient.emitEvent({
         event: {
           $type: 'tools.ozone.moderation.defs#modEventLabel',
           createLabelVals,
           negateLabelVals,
+          durationInHours,
         },
         createdBy: 'did:example:admin',
         reason: 'Y',
@@ -740,7 +761,7 @@ describe('moderation', () => {
     }
 
     async function getRecordLabels(uri: string) {
-      const result = await agent.api.tools.ozone.moderation.getRecord(
+      const result = await agent.tools.ozone.moderation.getRecord(
         { uri },
         {
           headers: await network.ozone.modHeaders(
@@ -752,8 +773,8 @@ describe('moderation', () => {
       return labels.map((l) => l.val)
     }
 
-    async function getRepoLabels(did: string) {
-      const result = await agent.api.tools.ozone.moderation.getRepo(
+    async function getRepo(did: string) {
+      const result = await agent.tools.ozone.moderation.getRepo(
         { did },
         {
           headers: await network.ozone.modHeaders(
@@ -761,7 +782,12 @@ describe('moderation', () => {
           ),
         },
       )
-      const labels = result.data.labels ?? []
+      return result.data
+    }
+
+    async function getRepoLabels(did: string) {
+      const result = await getRepo(did)
+      const labels = result.labels ?? []
       return labels.map((l) => l.val)
     }
   })
diff --git a/packages/pds/src/lexicon/lexicons.ts b/packages/pds/src/lexicon/lexicons.ts
index 36604fa13ae..b8f90be1cce 100644
--- a/packages/pds/src/lexicon/lexicons.ts
+++ b/packages/pds/src/lexicon/lexicons.ts
@@ -11549,6 +11549,11 @@ export const schemaDict = {
               type: 'string',
             },
           },
+          durationInHours: {
+            type: 'integer',
+            description:
+              'Indicates how long the label will remain on the subject. Only applies on labels that are being added.',
+          },
         },
       },
       modEventAcknowledge: {
diff --git a/packages/pds/src/lexicon/types/tools/ozone/moderation/defs.ts b/packages/pds/src/lexicon/types/tools/ozone/moderation/defs.ts
index 572d323a298..e31a6d03dba 100644
--- a/packages/pds/src/lexicon/types/tools/ozone/moderation/defs.ts
+++ b/packages/pds/src/lexicon/types/tools/ozone/moderation/defs.ts
@@ -347,6 +347,8 @@ export interface ModEventLabel {
   comment?: string
   createLabelVals: string[]
   negateLabelVals: string[]
+  /** Indicates how long the label will remain on the subject. Only applies on labels that are being added. */
+  durationInHours?: number
   [k: string]: unknown
 }