Cron preset

Every 15 minutes cron

*/15 * * * * means runs four times per hour, at minute 0, 15, 30, and 45.

Meaning

Every 15 minutes

Run 1 · Asia/Shanghai
Jun 27, 2026, 22:30:00 GMT+8
2026-06-27T14:30:00.000Z
Run 2 · Asia/Shanghai
Jun 27, 2026, 22:45:00 GMT+8
2026-06-27T14:45:00.000Z
Run 3 · Asia/Shanghai
Jun 27, 2026, 23:00:00 GMT+8
2026-06-27T15:00:00.000Z
Run 4 · Asia/Shanghai
Jun 27, 2026, 23:15:00 GMT+8
2026-06-27T15:15:00.000Z
Run 5 · Asia/Shanghai
Jun 27, 2026, 23:30:00 GMT+8
2026-06-27T15:30:00.000Z

Upcoming UTC examples

Run 1

Jun 27, 2026, 00:15:00 GMT

Run 2

Jun 27, 2026, 00:30:00 GMT

Run 3

Jun 27, 2026, 00:45:00 GMT

Run 4

Jun 27, 2026, 01:00:00 GMT

Run 5

Jun 27, 2026, 01:15:00 GMT

How to use it

A common schedule for reporting, cache refreshes, and digest batching.

Use 0 * * * * when the task should run once per hour.

Always confirm the scheduler time zone. A daily or weekly cron can move relative to UTC when the local zone enters or leaves daylight saving time.

Frequently asked questions

What cron expression means every 15 minutes?

Use */15 * * * *. Runs four times per hour, at minute 0, 15, 30, and 45.

Which time zone does this cron use?

The scheduler decides the time zone. Preview the expression in TimeKit with the same IANA time zone your server or job runner uses.

Can daylight saving time affect this schedule?

Yes. Schedules tied to local hours can shift relative to UTC when the selected zone enters or leaves daylight saving time.

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