diff --git a/package.json b/package.json
index cf1ad36db..e89df64f8 100644
--- a/package.json
+++ b/package.json
@@ -52,6 +52,7 @@
     "class-variance-authority": "^0.7.1",
     "clsx": "^2.1.1",
     "cmdk": "^1.1.1",
+    "cron-parser": "^4.9.0",
     "currency-codes": "^2.2.0",
     "date-fns": "^4.1.0",
     "decimal.js": "^10.6.0",
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index 06120631e..44a6c2ade 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -120,6 +120,9 @@ importers:
       cmdk:
         specifier: ^1.1.1
         version: 1.1.1(@types/react-dom@19.2.3(@types/react@19.2.14))(@types/react@19.2.14)(react-dom@19.2.4(react@19.2.4))(react@19.2.4)
+      cron-parser:
+        specifier: ^4.9.0
+        version: 4.9.0
       currency-codes:
         specifier: ^2.2.0
         version: 2.2.0
@@ -4093,6 +4096,13 @@ packages:
         integrity: sha512-VQ2MBenTq1fWZUH9DJNGti7kKv6EeAuYr3cLwxUWhIu1baTaXh4Ib5W2CqHVqib4/MqbYGJqiL3Zb8GJZr3l4g==,
       }
 
+  cron-parser@4.9.0:
+    resolution:
+      {
+        integrity: sha512-p0SaNjrHOnQeR8/VnfGbmg9te2kfyYSQ7Sc/j/6DtPL3JQvKxmjO9TSjNFpujqV3vEYYBvNNvXSxzyksBWAx1Q==,
+      }
+    engines: { node: '>=12.0.0' }
+
   cross-spawn@7.0.6:
     resolution:
       {
@@ -6576,6 +6586,13 @@ packages:
     peerDependencies:
       react: ^16.5.1 || ^17.0.0 || ^18.0.0 || ^19.0.0
 
+  luxon@3.7.2:
+    resolution:
+      {
+        integrity: sha512-vtEhXh/gNjI9Yg1u4jX/0YVPMvxzHuGgCm6tC5kZyb08yjGWGnqAjGJvcXbqQR2P3MyMEFnRbpcdFS6PBcLqew==,
+      }
+    engines: { node: '>=12' }
+
   magic-string@0.30.21:
     resolution:
       {
@@ -11697,6 +11714,10 @@ snapshots:
 
   crelt@1.0.6: {}
 
+  cron-parser@4.9.0:
+    dependencies:
+      luxon: 3.7.2
+
   cross-spawn@7.0.6:
     dependencies:
       path-key: 3.1.1
@@ -13309,6 +13330,8 @@ snapshots:
     dependencies:
       react: 19.2.4
 
+  luxon@3.7.2: {}
+
   magic-string@0.30.21:
     dependencies:
       '@jridgewell/sourcemap-codec': 1.5.5
diff --git a/src/components/functions/ConfigForm.tsx b/src/components/functions/ConfigForm.tsx
index b49303448..73f5f1e4f 100644
--- a/src/components/functions/ConfigForm.tsx
+++ b/src/components/functions/ConfigForm.tsx
@@ -132,7 +132,12 @@ export const ConfigForm = ({ middlewares, data }: ConfigFormProps) => {
         <InputField fieldName={'options.eventName'} label={'Event Name'} />
       )}
       {form.watch('functionType') === 'cron' && (
-        <InputField fieldName={'options.cronString'} label={'Cron String'} />
+        <InputField
+          fieldName={'options.cronString'}
+          label={'Cron schedule'}
+          placeholder={'*/5 * * * *'}
+          description={'minute hour day month weekday (UTC)'}
+        />
       )}
       {(form.watch('functionType') === 'webhook' ||
         form.watch('functionType') === 'request') && (
diff --git a/src/components/functions/CreateFunctionForm.tsx b/src/components/functions/CreateFunctionForm.tsx
index d792ae6b2..400280b7c 100644
--- a/src/components/functions/CreateFunctionForm.tsx
+++ b/src/components/functions/CreateFunctionForm.tsx
@@ -144,6 +144,7 @@ export const CreateFunctionForm = ({
         functionType: data.functionType,
         timeout: data.timeout,
         inputs: {
+          cronPattern: options.cronString,
           event: options.cronString,
         },
       })
diff --git a/src/components/functions/EditFunctionForm.tsx b/src/components/functions/EditFunctionForm.tsx
index fe4a781ad..d486e6a28 100644
--- a/src/components/functions/EditFunctionForm.tsx
+++ b/src/components/functions/EditFunctionForm.tsx
@@ -69,7 +69,10 @@ export const EditFunctionForm = ({
         ? {
             options: {
               functionType: functionData.functionType,
-              cronString: functionData.inputs?.event!,
+              cronString:
+                functionData.inputs?.cronPattern ??
+                functionData.inputs?.event ??
+                '',
             },
           }
         : {}),
@@ -186,6 +189,7 @@ export const EditFunctionForm = ({
         functionType: data.functionType,
         timeout: data.timeout,
         inputs: {
+          cronPattern: options.cronString,
           event: options.cronString,
         },
       })
diff --git a/src/components/functions/zod.ts b/src/components/functions/zod.ts
index 879e4001e..52c8b1188 100644
--- a/src/components/functions/zod.ts
+++ b/src/components/functions/zod.ts
@@ -1,4 +1,14 @@
 import { z } from 'zod';
+import { parseExpression } from 'cron-parser';
+
+function validateCronString(value: string): boolean {
+  try {
+    parseExpression(value.trim(), { tz: 'UTC' });
+    return true;
+  } catch {
+    return false;
+  }
+}
 
 export enum ParamsEnum {
   String = 'string',
@@ -126,7 +136,13 @@ export const EventOptions = z.object({
 });
 export const CronOptions = z.object({
   functionType: z.literal('cron'),
-  cronString: z.string(),
+  cronString: z
+    .string()
+    .min(1, 'Cron schedule is required')
+    .refine(validateCronString, {
+      message:
+        'Invalid cron pattern. Use 5 fields: minute hour day month weekday (UTC). Example: */5 * * * *',
+    }),
 });
 export const SocketOptions = z.object({
   functionType: z.literal('socket'),
diff --git a/src/lib/models/functions/schemas.ts b/src/lib/models/functions/schemas.ts
index b12c1ea7d..cda692c14 100644
--- a/src/lib/models/functions/schemas.ts
+++ b/src/lib/models/functions/schemas.ts
@@ -1,6 +1,7 @@
 interface IWebInputsInterface {
   method?: 'GET' | 'POST' | 'PUT' | 'DELETE' | 'PATCH';
   event?: string;
+  cronPattern?: string;
   bodyParams?: { [key: string]: any }[];
   urlParams?: { [key: string]: any }[];
   queryParams?: { [key: string]: any }[];