diff --git a/.github/workflows/cd.yml b/.github/workflows/cd.yml
index e0dc7351..a02e9900 100644
--- a/.github/workflows/cd.yml
+++ b/.github/workflows/cd.yml
@@ -2,15 +2,8 @@ name: Create docker images
 
 on:
   push:
-    branches:
-      - master
-      - main
-    # Publish semver tags as releases.
-    tags: [ 'v*.*.*' ]
-  pull_request:
-    branches:
-      - master
-      - main
+    tags:
+      - 'v*.*.*'
   workflow_dispatch:
 
 jobs:
@@ -20,8 +13,6 @@ jobs:
     permissions:
       contents: read
       packages: write
-      # This is used to complete the identity challenge
-      # with sigstore/fulcio when running outside of PRs.
       id-token: write
 
     strategy:
@@ -31,25 +22,22 @@ jobs:
     steps:
       - uses: actions/checkout@v5
 
-      # Install the cosign tool except on PR
-      # https://github.com/sigstore/cosign-installer
+      # Install cosign (for image signing)
       - name: Install cosign
-        if: github.event_name != 'pull_request'
         uses: sigstore/cosign-installer@v3
 
       - name: Set up Docker Buildx
         uses: docker/setup-buildx-action@v3
 
-      - name: Log into registry docker.io
-        if: github.event_name != 'pull_request' && github.repository == 'umami-software/umami'
+      - name: Log into Docker Hub
+        if: github.repository == 'umami-software/umami'
         uses: docker/login-action@v3
         with:
           registry: docker.io
           username: ${{ secrets.DOCKER_USERNAME }}
           password: ${{ secrets.DOCKER_PASSWORD }}
 
-      - name: Log into ghcr registry
-        if: github.event_name != 'pull_request'
+      - name: Log into GHCR
         uses: docker/login-action@v3
         with:
           registry: ghcr.io
@@ -67,14 +55,8 @@ jobs:
             latest=auto
             prefix=${{ matrix.db-type }}-
           tags: |
-            type=ref,event=branch
-            type=ref,event=pr
-
-            # output 1.1.2
             type=semver,pattern={{version}}
-            # output 1.1
             type=semver,pattern={{major}}.{{minor}}
-            # output 1
             type=semver,pattern={{major}}
 
       - name: Build and push Docker image
@@ -84,15 +66,14 @@ jobs:
           context: .
           platforms: linux/amd64,linux/arm64
           build-args: DATABASE_TYPE=${{ matrix.db-type }}
-          push: ${{ github.event_name != 'pull_request' }}
+          push: true
           tags: ${{ steps.meta.outputs.tags }}
           labels: ${{ steps.meta.outputs.labels }}
           cache-from: type=gha
           cache-to: type=gha,mode=max
 
-      # Sign the resulting Docker image digest except on PRs.
+      # Sign the published image digest
       - name: Sign the published Docker image
-        if: ${{ github.event_name != 'pull_request' }}
         env:
           TAGS: ${{ steps.meta.outputs.tags }}
           DIGEST: ${{ steps.build-and-push.outputs.digest }}
diff --git a/cypress/e2e/api-website.cy.ts b/cypress/e2e/api-website.cy.ts
index 7f7d17c3..cd336bda 100644
--- a/cypress/e2e/api-website.cy.ts
+++ b/cypress/e2e/api-website.cy.ts
@@ -149,6 +149,21 @@ describe('Website API tests', () => {
     });
   });
 
+  it('Updates a website with only shareId.', () => {
+    cy.request({
+      method: 'POST',
+      url: `/api/websites/${websiteId}`,
+      headers: {
+        'Content-Type': 'application/json',
+        Authorization: Cypress.env('authorization'),
+      },
+      body: { shareId: 'ABCDEF' },
+    }).then(response => {
+      expect(response.status).to.eq(200);
+      expect(response.body).to.have.property('shareId', 'ABCDEF');
+    });
+  });
+
   it('Resets a website by removing all data related to the website.', () => {
     cy.request({
       method: 'POST',
diff --git a/src/lib/date.ts b/src/lib/date.ts
index fa87277f..afbe0721 100644
--- a/src/lib/date.ts
+++ b/src/lib/date.ts
@@ -103,9 +103,18 @@ export const DATE_FORMATS = {
   year: 'yyyy',
 };
 
+const TIMEZONE_MAPPINGS: Record<string, string> = {
+  'Asia/Calcutta': 'Asia/Kolkata',
+};
+
+export function normalizeTimezone(timezone: string): string {
+  return TIMEZONE_MAPPINGS[timezone] || timezone;
+}
+
 export function isValidTimezone(timezone: string) {
   try {
-    Intl.DateTimeFormat(undefined, { timeZone: timezone });
+    const normalizedTimezone = normalizeTimezone(timezone);
+    Intl.DateTimeFormat(undefined, { timeZone: normalizedTimezone });
     return true;
   } catch {
     return false;
diff --git a/src/lib/schema.ts b/src/lib/schema.ts
index 965eae07..24ef99c3 100644
--- a/src/lib/schema.ts
+++ b/src/lib/schema.ts
@@ -1,10 +1,13 @@
 import { z } from 'zod';
-import { isValidTimezone } from '@/lib/date';
+import { isValidTimezone, normalizeTimezone } from '@/lib/date';
 import { UNIT_TYPES } from './constants';
 
-export const timezoneParam = z.string().refine(value => isValidTimezone(value), {
-  message: 'Invalid timezone',
-});
+export const timezoneParam = z
+  .string()
+  .refine((value: string) => isValidTimezone(value), {
+    message: 'Invalid timezone',
+  })
+  .transform((value: string) => normalizeTimezone(value));
 
 export const unitParam = z.string().refine(value => UNIT_TYPES.includes(value), {
   message: 'Invalid unit',