Cron Expression Validator
Validate cron schedules and preview next runs
Paste a Unix cron expression (5 or 6 fields) to check if it is valid, read it in plain language and see the next execution dates in your chosen timezone. Supports presets like '@daily' and common patterns for jobs, APIs and servers.
Expression
Timezone
Quick presets
Macro aliases (@yearly, @daily, …)
@yearly→0 0 0 1 1 *
@annually→0 0 0 1 1 *
@monthly→0 0 0 1 * *
@weekly→0 0 0 * * 0
@daily→0 0 0 * * *
@hourly→0 0 * * * *
@minutely→0 * * * * *
@secondly→* * * * * *
@weekdays→0 0 0 * * 1-5
@weekends→0 0 0 * * 0,6
Format
5 fields: minute hour day month weekday
6 fields: second minute hour day month weekday
Validation
InvalidNext runs
Could not calculate next runs