Cron Helper

Validate and explain cron expressions.

Validate your cron, get a human-readable explanation, and preview upcoming run times.

Expression

Minute

field: 0

Hour

field: 2

Day of month

field: *

Month

field: *

Day of week

field: *

Summary: minute 0, hour 2, days *, months *, weekdays *.

Next runs (UTC)

Start from common schedules and view runs in your timezone.

Timezone

Quick presets

Ready to paste into crontab or systemd timer units.

crontab

0 2 * * * /path/to/your/script.sh

systemd timer (OnCalendar)

[Timer]
OnCalendar=0 2 * * *
Persistent=true