Cron job Every hour at 30 minutes
30 * * * *
minute
hour
day (month)
month
day (week)
At 30 minutes past the hour
Field breakdown
| Field | Value | Meaning |
|---|---|---|
| minute | 30 | at minute 30 |
| hour | * | any value |
| day (month) | * | any value |
| month | * | any value |
| day (week) | * | any value |
Crontab line
30 * * * * /path/to/script.shThe expression 30 * * * * schedules a cron job to run every hour at 30 minutes. This schedule belongs to the "Hour" category and is frequently used for periodic maintenance tasks, report generation, or batch processing that runs several times throughout the day.