Cron Expression: * * * * *
Every minute, every hour, every day, every month, every day of the week.
Field Breakdown
| Field | Value |
|---|---|
| Minute | * |
| Hour | * |
| Day of Month | * |
| Month | * |
| Day of Week | * |
Common Use Case
Health checks, polling external APIs (be careful - this is 1,440 runs per day).
Sample Fire Times (UTC)
| When | Unix Timestamp |
|---|---|
| 2026-09-16 23:00 | 1789599600 |
| 2026-09-16 23:01 | 1789599660 |
| 2026-09-16 23:02 | 1789599720 |
| 2026-09-16 23:03 | 1789599780 |
| 2026-09-16 23:04 | 1789599840 |
Sample times computed at build; your scheduler will fire on its own clock.
Equivalents in Popular Schedulers
crontab (Linux/macOS)
* * * * * /path/to/your/script.sh
GitHub Actions (.github/workflows/*.yml)
on:
schedule:
- cron: '* * * * *'
AWS EventBridge (cron format)
cron(* * * * *) # Note: AWS uses 6 fields with year
Kubernetes CronJob
spec: schedule: "* * * * *"