Cron

Explain a cron expression in plain language and compute its next runs.

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Every 15 minutes

The five fields

*/15

Minute

0–59

*

Hour

0–23

*

Day of month

1–31

*

Month

1–12

*

Day of week

0–6/7

Next runs

  1. 01Sunday, November 8, 2026 at 1:00 AM
  2. 02Sunday, November 8, 2026 at 1:15 AM
  3. 03Sunday, November 8, 2026 at 1:30 AM
  4. 04Sunday, November 8, 2026 at 1:45 AM
  5. 05Sunday, November 8, 2026 at 2:00 AM

Cron knows nothing about daylight saving time: in a local zone a run may repeat or be skipped when the clock changes.

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