Cron parser / examples
Cron for: every quarter (1st of jan/apr/jul/oct)
0 0 1 1,4,7,10 * At 00:00, on day 1 of the month, in every 3.
How it works
Quarter starts via a month list; */3 in the month field is equivalent when quarters align with January.
Next runs
Variations
0 0 1 */3 *same, written as a step0 9 1 1,7 *twice a year at 09:00
Building something different? Paste any expression into the cron parser for a plain-English explanation and run preview.