Run a Cron Job Every 12 Hours
Cron expression to run a job every 12 hours — twice daily at midnight and noon.
Cron Expression
0 */12 * * *
Every 12 hours
Field-by-Field Breakdown
| Field | Value | Meaning |
|---|---|---|
| Minute | 0 | 0 |
| Hour | */12 | every 12 hours |
| Day of Month | * | every day of month |
| Month | * | every month |
| Day of Week | * | every day of week |
Next 5 Scheduled Runs
Computed in UTC. Use the generator for timezone-aware results.
- 1Tue, Mar 17, 2026, 12:00 AM
- 2Tue, Mar 17, 2026, 12:00 PM
- 3Wed, Mar 18, 2026, 12:00 AM
- 4Wed, Mar 18, 2026, 12:00 PM
- 5Thu, Mar 19, 2026, 12:00 AM
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Frequently Asked Questions
What is the cron expression for every 12 hours?
0 */12 * * * runs twice per day — at 0:00 (midnight) and 12:00 (noon).