Cron Expression Tester
Parse and test cron expressions, see them explained in plain English, and view upcoming run times in any timezone
5 fields: minute hour day-of-month month day-of-week. Supports *, ,, -, /, month/day names, and @hourly, @daily, etc.
*/15
Minute
0-59
9-17
Hour
0-23
*
Day (Month)
1-31
*
Month
1-12
1-5
Day (Week)
0-6 (Sun=0)
Plain English
Every 15 minutes from 09:00 through 17:59 on Monday through Friday
Next 7 Runs
- #1Tue, Apr 28, 2026, 17:45in 14 minutes
- #2Wed, Apr 29, 2026, 09:00in 15 hours
- #3Wed, Apr 29, 2026, 09:15in 15 hours
- #4Wed, Apr 29, 2026, 09:30in 15 hours
- #5Wed, Apr 29, 2026, 09:45in 16 hours
- #6Wed, Apr 29, 2026, 10:00in 16 hours
- #7Wed, Apr 29, 2026, 10:15in 16 hours
Syntax Reference
* β every value
a,b,c β list of specific values
a-b β range from a through b
*/n β every n values
a-b/n β every n in range a-b
JAN-DEC β month names accepted
SUN-SAT β weekday names (SUN=0, SAT=6)
Macros: @hourly, @daily, @weekly, @monthly, @yearly, @midnight
Note: when both day-of-month and day-of-week are restricted, a day matches if either matches (POSIX behavior).