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Cron Expression: Every 12 hours
Use 0 */12 * * * — At minute 0 past every 12 hours.
Cron Expression: Every 12 hours
RunsFields: minute 0 · hour */12 · day * · month * · weekday *
| # | Date | Time |
|---|---|---|
| 1 | Sat, Nov 14, 2026 | 00:00 |
| 2 | Sat, Nov 14, 2026 | 12:00 |
| 3 | Sun, Nov 15, 2026 | 00:00 |
| 4 | Sun, Nov 15, 2026 | 12:00 |
| 5 | Mon, Nov 16, 2026 | 00:00 |
| 6 | Mon, Nov 16, 2026 | 12:00 |
| 7 | Tue, Nov 17, 2026 | 00:00 |
| 8 | Tue, Nov 17, 2026 | 12:00 |
Standard 5-field cron (Linux crontab, Kubernetes CronJob, GitHub Actions — which runs in UTC). When both day-of-month and day-of-week are set, the job runs when EITHER matches.
Where to use it
- Linux crontab:
0 */12 * * * /path/to/script.sh - GitHub Actions:
schedule: - cron: '0 */12 * * *'(runs in UTC) - Kubernetes CronJob:
schedule: "0 */12 * * *"
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