CronExplain · cron recipes
Cron expression for twice an hour
The cron expression for twice an hour is 0,30 * * * *.
In plain English: at minutes 0,30 of every hour.
Field by field
| Field | Value | Means |
|---|---|---|
| minute | 0,30 | 0, 30 |
| hour | * | every hour |
| day | * | every day of the month |
| month | * | every month |
| weekday | * | every day of the week, weekends included |
Times it fires
Server local time, on every day the schedule matches.
00:00 · 00:30 · 01:00 · 01:30 · 02:00 · 02:30 · 03:00 · 03:30 · 04:00 · 04:30 · 05:00 · 05:30 · 06:00 · 06:30 · 07:00 · 07:30 · 08:00 · 08:30 · 09:00 · 09:30 · 10:00 · 10:30 · 11:00 · 11:30 · 12:00 · 12:30 · 13:00 · 13:30 · 14:00 · 14:30 · 15:00 · 15:30 · 16:00 · 16:30 · 17:00 · 17:30 · 18:00 · 18:30 · 19:00 · 19:30 · 20:00 · 20:30 · 21:00 · 21:30 · 22:00 · 22:30 · 23:00 · 23:30
Check your own expression
Paste any cron line and see what it means, the next ten times it fires, and the same breakdown in your timezone.
Open CronExplainOther schedules
- cron for every minute * * * * *
- cron for every 2 minutes */2 * * * *
- cron for every 5 minutes */5 * * * *
- cron for every 10 minutes */10 * * * *
- cron for every 15 minutes */15 * * * *
- cron for every 30 minutes */30 * * * *
- cron for every hour 0 * * * *
- cron for every 2 hours 0 */2 * * *