Cron Expression Builder
Stop guessing cron syntax. Build your schedule visually — pick the minutes, hours, days, and months with toggle buttons — and instantly get the cron expression, a plain-English description, and the exact next 5 execution times. Supports GitHub Actions, AWS CloudWatch, and Kubernetes format exports.
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Anleitung Cron Expression Builder
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Pick a Preset or Build Manually
Start with a common schedule preset, or click any of the 5 field editors to configure minute, hour, day, month, and weekday individually.
Review the Description
The plain-English description updates in real time so you always know exactly what schedule you're building.
Copy in Your Format
Copy the raw cron expression or export it pre-formatted for GitHub Actions, AWS CloudWatch, or Kubernetes CronJob.
Häufig gestellte Fragen
Alles, was Sie wissen müssen über Cron Expression Builder.
What is a cron expression?
A cron expression is a 5-field string that defines a recurring schedule for automated tasks. Each field represents: minute (0–59), hour (0–23), day of month (1–31), month (1–12), and day of week (0–6). The '*' wildcard means 'every valid value'.
What does */5 mean?
The slash (/) means 'step'. */5 in the minute field means 'every 5th minute' — i.e., at minutes 0, 5, 10, 15, 20, 25, 30, 35, 40, 45, 50, 55.
Why are GitHub Actions crons in UTC?
GitHub Actions runs on UTC time. The schedule trigger uses a standard 5-field cron in UTC, so if your local timezone is IST (+5:30), you need to subtract 5:30 from your local time when writing the cron.
Can I use both DOM and DOW?
When both the day-of-month (DOM) and day-of-week (DOW) fields are set (not *), cron uses OR logic — meaning the job runs if EITHER condition matches.
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