Cron expression
10 12 18 DEC 0,6
This cron expression schedules a command to run at 12:10, on day 18 of the month, and on Sunday and Saturday, only in December.
Read more in the dedicated guide: Cron weekends.
April 2026
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What this cron means, field by field
Each field of 10 12 18 DEC 0,6 controls one dimension of the schedule. Hover over any value in the editor above to see its tooltip; the table below summarises the same information.
| Field | Value | Means | Range / hint |
|---|---|---|---|
| minute | 10 | at minute 10 | 0-59. The minute(s) of the hour the job will fire. |
| hour | 12 | at hour 12 | 0-23. The hour(s) of the day the job will fire (0 = midnight, 23 = 11 PM). |
| day of month | 18 | at day of month 18 | 1-31. The day(s) of the month. Use * if you want every day. |
| month | DEC | at month DEC | 1-12 or JAN-DEC. The month(s). Use * for every month. |
| day of week | 0,6 | at day of week 0, 6 | 0-7 or SUN-SAT (0 and 7 both mean Sunday). Use * for every weekday. |
Next 5 runs
Computed in UTC. The calendar above shows the same runs in your local timezone.
- #1
- #2
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- #4
- #5
Examples
- 018***Every day at 18:00
- 0*/5***Every 5 hours
- 018**1-5Weekdays at 18:00
- 001**Once a month
Cheatsheet
Where else this cron could be used
The same expression 10 12 18 DEC 0,6 works in:
- Standard Unix
crontab(5-field syntax). - AWS EventBridge / Lambda Scheduled (with a 6th field for year, often
*). - Vercel cron jobs (declared in
vercel.json). - Quartz Scheduler and node-cron, robfig/cron and similar libraries.
Run this cron in production
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Schedule
“at 12:10, on day 18 of the month, and on Sunday and Saturday, only in December”
Next run
in 23s