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Cron explainer

Paste a five-field cron expression and get plain English plus the next run times. Handles ranges, steps, lists, and names — entirely in your browser.

In plain English

At minutes 0, 15, 30, and 45 of hours 9, 10, 11, 12, 13, 14, 15, 16, and 17, on weekdays.

Next 5 runs · UTC

  1. 1. Tue, Aug 25, 2026, 09:00 AM2026-08-25 09:00 UTC
  2. 2. Tue, Aug 25, 2026, 09:15 AM2026-08-25 09:15 UTC
  3. 3. Tue, Aug 25, 2026, 09:30 AM2026-08-25 09:30 UTC
  4. 4. Tue, Aug 25, 2026, 09:45 AM2026-08-25 09:45 UTC
  5. 5. Tue, Aug 25, 2026, 10:00 AM2026-08-25 10:00 UTC

Notes

Follows classic (vixie) cron semantics: when both day-of-month and day-of-week are restricted, a date matches if either field matches. Both 0 and 7 mean Sunday. Names like jan and fri are accepted. Seconds fields and Quartz extensions (?, L, W) aren't supported — your crontab doesn't support them either.