Cron Expression Parser
Break down a crontab expression into fields and preview the next run times.
| Minute | 0 |
| Hour | 9 |
| Day of month | every |
| Month | every |
| Day of week | 1, 2, 3, 4, 5 |
Next 5 runs (UTC)
- Jul 13, 2026, 9:00 AM
- Jul 14, 2026, 9:00 AM
- Jul 15, 2026, 9:00 AM
- Jul 16, 2026, 9:00 AM
- Jul 17, 2026, 9:00 AM
Run times are shown in UTC.
Formula & methodology
Each field is expanded to its matching values, then run times are found by scanning forward minute-by-minute in UTC. Day-of-month and day-of-week follow Vixie-cron OR semantics.
Worked example
- 0 9 * * 1-5 → Every weekday at 09:00 UTC
Frequently asked questions
Which cron format is supported?
Standard 5-field cron (minute, hour, day-of-month, month, day-of-week). Seconds and named macros are not parsed.
What timezone are the run times in?
Run times are shown in UTC to stay predictable regardless of your location.
Privacy
All processing happens locally in your browser. Your data is never uploaded.