Cron Expression: 0 0 1 */3 *
At 00:00 on the 1st of every 3rd month (Jan, Apr, Jul, Oct).
Field Breakdown
| Field | Value |
|---|---|
| Minute | 0 |
| Hour | 0 |
| Day of Month | 1 |
| Month | */3 |
| Day of Week | * |
Common Use Case
Quarterly reports, fiscal cycles.
Equivalents in Popular Schedulers
crontab (Linux/macOS)
0 0 1 */3 * /path/to/your/script.sh
GitHub Actions (.github/workflows/*.yml)
on:
schedule:
- cron: '0 0 1 */3 *'
AWS EventBridge (cron format)
cron(0 0 1 */3 *) # Note: AWS uses 6 fields with year
Kubernetes CronJob
spec: schedule: "0 0 1 */3 *"