Cron 1st and 15th of Every Month at 9 AM
Cron expression to run a job on the 1st and 15th of every month at 9:00 AM: 0 9 1,15 * *. Twice-monthly scheduling for payroll and billing.
0
Minute
9
Hour
1,15
Day (M)
*
Month
*
Weekday
“At 09:00 AM, on day 1 and 15 of the month”
Next execution dates
- Mon, Jun 15, 2026, 09:00:00 AMin 4 days
- Wed, Jul 1, 2026, 09:00:00 AMin 20 days
- Wed, Jul 15, 2026, 09:00:00 AMin 34 days
- Sat, Aug 1, 2026, 09:00:00 AMin 51 days
- Sat, Aug 15, 2026, 09:00:00 AMin 65 days
Visual builder
Pick how often the job should run. The expression updates automatically.
At:
How cron syntax works
A standard cron expression has five fields, separated by spaces.
| Minute | Hour | Day of month | Month | Day of week |
|---|---|---|---|---|
| 0 - 59 | 0 - 23 | 1 - 31 | 1 - 12 | 0 - 6 (Sun-Sat) |
*Any value* * * * * — every minute
,Value list separator0 9,17 * * * — at 9 AM and 5 PM
-Range of values0 9-17 * * * — every hour 9 AM–5 PM
/Step values*/15 * * * * — every 15 minutes
?No specific value (Quartz)0 0 12 ? * MON
LLast (day of month/week)0 0 L * ? — last day of month
Common cron expressions
Click any example to load and translate it.
When to use this schedule
The 1st and 15th is the most common semi-monthly schedule — used by HR systems for bi-monthly payroll, SaaS platforms for twice-monthly invoicing, and subscription services for mid-cycle usage reports.