cronexpression.tools
Open Source

Decode any cron expression instantly.

Translate, validate, and debug cron schedules. See exactly when your jobs will run. No signup required.

minhourdaymonthdow
PLAIN ENGLISH
Every 15 minutes, hour 9 through 17, on Monday through Friday
Valid expression
*/15
minute
every 15th minute
9-17
hour
hour 9 through 17
*
day
every day of month
*
month
every month
1-5
weekday
Monday through Friday
NEXT 10 RUNS
01.Fri, Apr 10, 2026
17:30:00in 6m
02.Fri, Apr 10, 2026
17:45:00in 21m
03.Mon, Apr 13, 2026
09:00:00in 2d
04.Mon, Apr 13, 2026
09:15:00in 2d
05.Mon, Apr 13, 2026
09:30:00in 2d
06.Mon, Apr 13, 2026
09:45:00in 2d
07.Mon, Apr 13, 2026
10:00:00in 2d
08.Mon, Apr 13, 2026
10:15:00in 2d
09.Mon, Apr 13, 2026
10:30:00in 2d
10.Mon, Apr 13, 2026
10:45:00in 2d
SNIPPET GENERATOR
name: Scheduled Job
on:
  schedule:
    - cron: '*/15 9-17 * * 1-5'

jobs:
  run:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      - name: Run scheduled task
        run: echo "Running scheduled job"

Cron Field Reference

FieldRangeSpecialExamples
Minute0-59* , - /
0*/50,30
Hour0-23* , - /
09-17*/2
Day of Month1-31* , - /
1151,15
Month1-12 or JAN-DEC* , - /
*1-61,7
Day of Week0-7 or SUN-SAT* , - /
01-50,6
* = any value
, = list separator
- = range
/ = step

Common Examples

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Translate, validate, and debug cron expressions right in your browser. Free and open source.