# Cron job Every 4 hours

At 0 minutes past the hour, every 4 hours

```
0 */4 * * *
```

## Field breakdown

| Field | Value | Meaning |
|-------|-------|---------|
| Minute | `0` | at minute 0 |
| Hour | `*/4` | every 4 hours |
| Day (month) | `*` | any value |
| Month | `*` | any value |
| Day (week) | `*` | any value |


## Crontab line

```
0 */4 * * * /path/to/script.sh
```

[Open in generator](https://crontab.run/#0%20*%2F4%20*%20*%20*)

Canonical: https://crontab.run/every-4-hours

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Maintained by Jsmon — https://jsmon.sh