Cron to Human
Convert cron expressions into readable English.
Cron Expression
At 12:00, Monday through Friday
Field Breakdown
0
Minute0–59
at minute 0
12
Hour0–23
at hour 12
*
Day of Month1–31, L, W
every day of month
*
Month1–12, JAN–DEC
every month
1-5
Day of Week0–7, SUN–SAT, L, #
MON through FRI
Supports 5-field crontab, 6-field with seconds, names (JAN, MON), steps, ranges, lists, L, W, #, and @macros (@daily, @hourly, @reboot …).
Common Presets
Cron syntax cheat sheet
Field order
* * * * * → minute hour day-of-month month day-of-week
* * * * * * → second minute hour day-of-month month day-of-week
* * * * * * → second minute hour day-of-month month day-of-week
Special characters
- * — any value
- , — list (e.g.
1,15,30) - - — range (e.g.
9-17) - / — step (e.g.
*/5) - L — last (day of month / week)
- W — nearest weekday
- # — nth weekday (e.g.
2#1)
Macros
@reboot— at startup@yearly/@annually@monthly@weekly@daily/@midnight@hourly
Day names & months
Use first three letters:
MON-FRI, JAN, DEC, SUN. Sunday can be 0 or 7.