Cron Expression Builder & Explainer
Build and explain cron expressions in plain English. Preview the next scheduled runs.
Fields: minute (0-59) · hour (0-23) · day-of-month (1-31) · month (1-12 or Jan-Dec) · day-of-week (0-6 or Sun-Sat)
Schedule
At minute 0, 15, 30 and 45 of every hour
Next 5 runs (your local time)
- 5/22/2026, 8:30:00 AM
- 5/22/2026, 8:45:00 AM
- 5/22/2026, 9:00:00 AM
- 5/22/2026, 9:15:00 AM
- 5/22/2026, 9:30:00 AM
About Cron Expression Builder & Explainer
Paste a cron expression and get a human-readable description plus the next 5 scheduled runs. Useful for crontab, GitHub Actions schedules, and Kubernetes CronJobs.
All processing happens entirely in your browser using modern web APIs. Nothing is uploaded to our servers — your data stays local. Free forever for everyone, with a Pro plan for power users who want an ad-free experience and API access.