Cron Expression: 0 * * * *
At minute 0 of every hour (00:00, 01:00, 02:00, ...).
Field Breakdown
| Field | Value |
|---|---|
| Minute | 0 |
| Hour | * |
| Day of Month | * |
| Month | * |
| Day of Week | * |
Common Use Case
Hourly batch jobs, log rotation.
Sample Fire Times (UTC)
| When | Unix Timestamp |
|---|---|
| 2026-09-16 23:00 | 1789599600 |
| 2026-09-17 00:00 | 1789603200 |
| 2026-09-17 01:00 | 1789606800 |
| 2026-09-17 02:00 | 1789610400 |
| 2026-09-17 03:00 | 1789614000 |
Sample times computed at build; your scheduler will fire on its own clock.
Equivalents in Popular Schedulers
crontab (Linux/macOS)
0 * * * * /path/to/your/script.sh
GitHub Actions (.github/workflows/*.yml)
on:
schedule:
- cron: '0 * * * *'
AWS EventBridge (cron format)
cron(0 * * * *) # Note: AWS uses 6 fields with year
Kubernetes CronJob
spec: schedule: "0 * * * *"