Cron expression
*/15 10 30 OCT 1-5
This cron expression schedules a command to run every 15 minutes, between 10:00 and 10:59, on day 30 of the month, Monday through Friday, only in October.
Read more in the dedicated guide: Cron every 15 minutes.
April 2026
Showing next 1000 cron schedules (Keep in mind some crons might be 'cut off' sooner than others depending on their frequency)
What this cron means, field by field
Each field of */15 10 30 OCT 1-5 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 | */15 | every 15 minutes | 0-59. The minute(s) of the hour the job will fire. |
| hour | 10 | at hour 10 | 0-23. The hour(s) of the day the job will fire (0 = midnight, 23 = 11 PM). |
| day of month | 30 | at day of month 30 | 1-31. The day(s) of the month. Use * if you want every day. |
| month | OCT | at month OCT | 1-12 or JAN-DEC. The month(s). Use * for every month. |
| day of week | 1-5 | from day of week 1 through 5 | 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.
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Similar cron expressions
Common variations and tweaks of */15 10 30 OCT 1-5.
*/30 10 30 OCT 1-5Every 30 minutes, between 10:00 and 10:59, on day 30 of the month, Monday through Friday, only in October*/15 10 30 OCT *Every 15 minutes, between 10:00 and 10:59, on day 30 of the month, only in October*/15 10 30 OCT 0,6Every 15 minutes, between 10:00 and 10:59, on day 30 of the month, and on Sunday and Saturday, only in October
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 */15 10 30 OCT 1-5 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
“every 15 minutes, between 10:00 and 10:59, on day 30 of the month, Monday through Friday, only in October”
Next run
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