Cron explainer

Cron Expression Explainer

Paste a Linux 5-field cron expression and translate the schedule into plain English with validation and field details.

Expression input

Paste a Linux 5-field cron expression to see the schedule, validation status, and field-by-field meaning.

Examples

Valid expression

Plain English explanation

Runs every 15 minutes from 9 AM to 5 PM, Monday through Friday.

Field breakdown

Field

Minute

Value

*/15

Meaning

Every 15 minutes

Allowed

0-59

Field

Hour

Value

9-17

Meaning

From 9 AM to 5 PM

Allowed

0-23

Field

Day of Month

Value

*

Meaning

Every day of the month

Allowed

1-31

Field

Month

Value

*

Meaning

Every month

Allowed

1-12

Field

Day of Week

Value

1-5

Meaning

From Monday through Friday

Allowed

0-7, where 0 or 7 is Sunday