- name
- cronexplain
- description
- Explain cron expressions in plain English and calculate next run times. Use when asked to decode a crontab entry, understand a cron schedule, check when a cron job will next run, or translate between cron syntax and human-readable schedules. Supports ranges, steps, lists, and wildcards. Zero dependencies.
cronexplain 📅
Cron expression explainer with next-run calculator.
Commands
# Explain a cron expression
python3 scripts/cronexplain.py "30 9 * * 1-5"
# → at minute 30; at 09:00; on Mon, Tue, Wed, Thu, Fri
# Show next N run times
python3 scripts/cronexplain.py "0 */4 * * *" -n 5
# Monthly schedule
python3 scripts/cronexplain.py "0 0 1,15 * *" -n 3Supported Syntax
- Wildcards:
* - Ranges:
1-5(Mon-Fri) - Steps:
*/15(every 15 minutes) - Lists:
1,15(1st and 15th) - Combined:
0-30/10(every 10 min in first half hour)
Fields (standard 5-field cron)
minute hour day_of_month month day_of_week