diff --git a/deno.lock b/deno.lock
index 1be38ec..585ac98 100644
--- a/deno.lock
+++ b/deno.lock
@@ -20,6 +20,7 @@
     "npm:nitro@^3.0.260522-beta": "3.0.260522-beta_vite@7.3.5__lightningcss@1.32.0",
     "npm:solid-js@^1.9.13": "1.9.13",
     "npm:sqlocal@0.18": "0.18.0_kysely@0.29.2_vite@7.3.5__lightningcss@1.32.0",
+    "npm:temporal-polyfill@~0.3.2": "0.3.2",
     "npm:unocss@^66.7.0": "66.7.0_vite@7.3.5__lightningcss@1.32.0",
     "npm:vite-plugin-pwa@^1.3.0": "1.3.0_@vite-pwa+assets-generator@1.0.2_vite@7.3.5__lightningcss@1.32.0_workbox-window@7.4.1",
     "npm:vite-plugin-solid@^2.11.12": "2.11.12_solid-js@1.9.13_vite@7.3.5__lightningcss@1.32.0_lightningcss@1.32.0",
@@ -4037,6 +4038,15 @@
     "temp-dir@2.0.0": {
       "integrity": "sha512-aoBAniQmmwtcKp/7BzsH8Cxzv8OL736p7v1ihGb5e9DJ9kTwGWHrQrVB5+lfVDzfGrdRzXch+ig7LHaY1JTOrg=="
     },
+    "temporal-polyfill@0.3.2": {
+      "integrity": "sha512-TzHthD/heRK947GNiSu3Y5gSPpeUDH34+LESnfsq8bqpFhsB79HFBX8+Z834IVX68P3EUyRPZK5bL/1fh437Eg==",
+      "dependencies": [
+        "temporal-spec"
+      ]
+    },
+    "temporal-spec@0.3.1": {
+      "integrity": "sha512-B4TUhezh9knfSIMwt7RVggApDRJZo73uZdj8AacL2mZ8RP5KtLianh2MXxL06GN9ESYiIsiuoLQhgVfwe55Yhw=="
+    },
     "tempy@0.6.0": {
       "integrity": "sha512-G13vtMYPT/J8A4X2SjdtBTphZlrp1gKv6hZiOjw14RCWg6GbHuQBGtjlx75xLbYV/wEc0D7G5K4rxKP/cXk8Bw==",
       "dependencies": [
@@ -4579,6 +4589,7 @@
         "npm:nitro@^3.0.260522-beta",
         "npm:solid-js@^1.9.13",
         "npm:sqlocal@0.18",
+        "npm:temporal-polyfill@~0.3.2",
         "npm:unocss@^66.7.0",
         "npm:vite-plugin-pwa@^1.3.0",
         "npm:vite-plugin-solid@^2.11.12",
diff --git a/package.json b/package.json
index e0187ec..419d78f 100644
--- a/package.json
+++ b/package.json
@@ -19,6 +19,7 @@
       "nitro": "^3.0.260522-beta",
       "solid-js": "^1.9.13",
       "sqlocal": "^0.18.0",
+      "temporal-polyfill": "^0.3.2",
       "unocss": "^66.7.0",
       "vite": "^7.3.5",
       "vite-plugin-pwa": "^1.3.0",
diff --git a/src/entry-client.tsx b/src/entry-client.tsx
index aee3cba..4b3240c 100644
--- a/src/entry-client.tsx
+++ b/src/entry-client.tsx
@@ -1,6 +1,7 @@
 import * as clientDb from "@scope/db/client";
 import { hydrateStart, StartClient } from "@tanstack/solid-start/client";
 import { hydrate } from "solid-js/web";
+import "temporal-polyfill/global";
 import { useRegisterSW } from "virtual:pwa-register/solid";
 
 useRegisterSW({