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Cron Expression Explainer
Explain standard 5-field cron schedules in plain language.
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Version 1.0.0 · Last reviewed
Cron Expression Explainer
Plain-language summary of a classic 5-field cron schedule.
Fields: minute · hour · day of month · month · day of week
Runs with minute: 0; hour: 9; day of month: every value; month: every value; day of week: from 1 to 5.
- minute: 0
- hour: 9
- day of month: every value
- month: every value
- day of week: from 1 to 5
How it worksShow guideHide guide
Introduction
Paste a classic five-field cron string (minute hour day-of-month month day-of-week) and get a readable summary.
Step-by-step
- Enter a 5-field expression
- Read the field-by-field explanation
- Adjust and re-check
Worked example
0 9 * * 1-5 means minute 0, hour 9, every day of month, every month, Monday through Friday — weekdays at 09:00.
Use cases
- Document job schedules for teammates
- Double-check deploy or backup timings
- Learn cron field syntax quickly
Frequently asked questions
Does this support seconds or years?
This tool covers the common 5-field Unix cron. Six-field (with seconds) formats are not parsed yet.
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