Cron Expression Helper
Paste a standard 5-field cron expression and read what it actually means, in plain English.
A plain-English description appears here.
Fields, in order: minute · hour · day-of-month · month · day-of-week. Ranges (1-5), lists (1,15), steps (*/15) and names (mon, jan) are supported, plus @macros like @daily, @hourly and @weekly.
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A cron expression has five fields — minute, hour, day-of-month, month, and day-of-week — each accepting a number, a * wildcard, a a-b range, a , list, or a */n step. 0 9 * * 1-5reads as "at 09:00, Monday through Friday." This helper covers that common 5-field syntax.
One classic gotcha: when both day-of-month and day-of-week are set, most cron implementations treat them as or, not and— the job runs when either matches. And remember the schedule follows the server's timezone, which is often UTC.