Build a 5-field cron expression with dropdowns, or paste one in — the decoder auto-detects standard cron (Linux/Kubernetes CronJob), or Quartz syntax (6-7 fields with seconds, used by Java/Spring schedulers).

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Minute (0-59, * for every)

Hour (0-23, * for every)

Day of month (1-31, * for every)

Month (1-12, * for every)

Day of week (0-6, Sun=0, * for every)

Cron expression

As a Kubernetes CronJob snippet

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Paste a cron expression

Builds and decodes automatically as you type. Tip: press Ctrl+Enter (Cmd+Enter on Mac) to run immediately, depending on which field you're in.

Plain-English explanation

Common schedules

Click any example to load it into the decoder above.

Schedule	Expression
Every 15 minutes	`/15 * * *`
Every hour	`0 * * * *`
Every day at midnight	`0 0 * * *`
Every weekday at 9am	`0 9 * * 1-5`
Every Monday at 9am	`0 9 * * 1`
Every 6 hours	`0 /6 * *`
First of every month	`0 0 1 * *`

Cron syntax guide

Cron Expression Builder & Decoder

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Common schedules