What is a cron expression?

A 5-field string: minute, hour, day of month, month, day of week. '*' means every valid value.

Step syntax. */5 in the minute field means every 5 minutes — at 0, 5, 10...55.

Why are GitHub Actions crons in UTC?

GitHub Actions always runs in UTC. Subtract your timezone offset from the hour field.

When both are set, cron uses OR logic — runs if either condition matches.

Yes — AWS uses 6-field format with '?' required. The export button handles this automatically.

Build cron schedules visually. Get the expression, a plain-English description, and the next 5 run times instantly.

Your files never leave your device. Processed locally. 100% private.

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Complete your task perfectly in just three straightforward steps.

Start with a preset like 'Every weekday at 9 AM', or click each field box to open the visual editor.

Plain-English description and next 5 run times update as you configure each field.

Copy the raw cron or export for GitHub Actions, AWS EventBridge, or Kubernetes.

Everything you need to know about the Cron Expression Builder.

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