Cron Expression Parser: Translate & Explain Cron Schedules
Translate standard 5-part cron schedules into clear plain English sentences and calculate the exact next 10 execution dates and times.
Plain English Interpretation
Runs at every 15 mins, hour 0, on dom 1,15, in every mon, on every dow.
Next 10 Scheduled Executions (UTC)
Run #1Sun, 01 Nov 2026 00:00:00 GMT
Run #2Sun, 01 Nov 2026 00:15:00 GMT
Run #3Sun, 01 Nov 2026 00:30:00 GMT
Run #4Sun, 01 Nov 2026 00:45:00 GMT
How to Use Cron Expression Parser
- Enter a standard 5-part cron expression (minute, hour, day-of-month, month, day-of-week).
- Read the plain English explanation and view the calculated next 10 execution times.
- Copy the timestamps or explanations with one click.
Practical Examples
Quarter-hourly schedule
Runs every 15 minutes.
Input:
*/15 * * * *
Output:
Runs every 15 minutes.
Common Mistakes & Troubleshooting
- Supplying 6 fields instead of 5: Standard cron format uses 5 fields. Some cron libraries (like Quartz) include a 6th field for seconds, but standard crontab starts with minutes.
Frequently Asked Questions
What do the 5 cron fields represent?
The 5 fields in standard order are: 1. Minute (0-59), 2. Hour (0-23), 3. Day of the month (1-31), 4. Month (1-12), and 5. Day of the week (0-7, where 0 and 7 are Sunday).