⏱OpsTools

Cron Expression for Daily at 1 AM

0 1 * * *→Runs once every day at 01:00
0
Minute
0–59
1
Hour
0–23
*
Day
1–31
*
Month
1–12
*
Weekday
0–7

Quick Examples

How It Works

The expression 0 1 * * * runs at minute 0 of hour 1 every day. The day-of-month and month fields are wildcards, so the task fires once per calendar day at the same local time.

Common Use Cases

  • 1Daily backups or reports at a predictable off-peak time
  • 2Rotating logs or clearing caches on a fixed schedule
  • 3Sending digest emails or syncing data with a daily cadence

Linux Crontab Example

0 1 * * * /usr/local/bin/daily-job.sh >> /var/log/cron-daily.log 2>&1

Add this line to your crontab with crontab -e

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