Cron Expression Tool
Parse five-field Cron expressions, inspect field ranges, and preview upcoming run times in a selected time zone.
Supports *, */n, a-b, a-b/n, comma lists, and JAN-DEC or SUN-SAT aliases. This tool uses the common five-field format: minute hour day-of-month month day-of-week.
Cron settings
Enter an expression, choose a time zone, and set how many runs to preview.
Presets
Field parsing
Review how each field expands into numeric ranges.
Minute
*/15
0, 15, 30, 45
Hour
9-17
9, 10, 11, 12, 13, 14, 15, 16, 17
Day
*
*
Month
*
*
Weekday
1-5
1, 2, 3, 4, 5
Upcoming runs
The Cron expression is interpreted in Asia/Taipei.
#1Mon, 06/29/2026, 09:00 GMT+82026-06-29T01:00:00.000Z
#2Mon, 06/29/2026, 09:15 GMT+82026-06-29T01:15:00.000Z
#3Mon, 06/29/2026, 09:30 GMT+82026-06-29T01:30:00.000Z
#4Mon, 06/29/2026, 09:45 GMT+82026-06-29T01:45:00.000Z
#5Mon, 06/29/2026, 10:00 GMT+82026-06-29T02:00:00.000Z
#6Mon, 06/29/2026, 10:15 GMT+82026-06-29T02:15:00.000Z
#7Mon, 06/29/2026, 10:30 GMT+82026-06-29T02:30:00.000Z
#8Mon, 06/29/2026, 10:45 GMT+82026-06-29T02:45:00.000Z
#9Mon, 06/29/2026, 11:00 GMT+82026-06-29T03:00:00.000Z
#10Mon, 06/29/2026, 11:15 GMT+82026-06-29T03:15:00.000Z