Compare Cron Expressions
Enter two expressions, preview upcoming runs in the same timezone, and see which times overlap or differ.
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A
At 09:00, Monday through Friday
B
At 09:00
Both: 14Only A: 6Only B: 6
| Status | A | B |
|---|---|---|
| Both | 2026-11-06 09:00:00 (UTC+8) | 2026-11-06 09:00:00 (UTC+8) |
| Only B | — | 2026-11-07 09:00:00 (UTC+8) |
| Only B | — | 2026-11-08 09:00:00 (UTC+8) |
| Both | 2026-11-09 09:00:00 (UTC+8) | 2026-11-09 09:00:00 (UTC+8) |
| Both | 2026-11-10 09:00:00 (UTC+8) | 2026-11-10 09:00:00 (UTC+8) |
| Both | 2026-11-11 09:00:00 (UTC+8) | 2026-11-11 09:00:00 (UTC+8) |
| Both | 2026-11-12 09:00:00 (UTC+8) | 2026-11-12 09:00:00 (UTC+8) |
| Both | 2026-11-13 09:00:00 (UTC+8) | 2026-11-13 09:00:00 (UTC+8) |
| Only B | — | 2026-11-14 09:00:00 (UTC+8) |
| Only B | — | 2026-11-15 09:00:00 (UTC+8) |
| Both | 2026-11-16 09:00:00 (UTC+8) | 2026-11-16 09:00:00 (UTC+8) |
| Both | 2026-11-17 09:00:00 (UTC+8) | 2026-11-17 09:00:00 (UTC+8) |
| Both | 2026-11-18 09:00:00 (UTC+8) | 2026-11-18 09:00:00 (UTC+8) |
| Both | 2026-11-19 09:00:00 (UTC+8) | 2026-11-19 09:00:00 (UTC+8) |
| Both | 2026-11-20 09:00:00 (UTC+8) | 2026-11-20 09:00:00 (UTC+8) |
| Only B | — | 2026-11-21 09:00:00 (UTC+8) |
| Only B | — | 2026-11-22 09:00:00 (UTC+8) |
| Both | 2026-11-23 09:00:00 (UTC+8) | 2026-11-23 09:00:00 (UTC+8) |
| Both | 2026-11-24 09:00:00 (UTC+8) | 2026-11-24 09:00:00 (UTC+8) |
| Both | 2026-11-25 09:00:00 (UTC+8) | 2026-11-25 09:00:00 (UTC+8) |
| Only A | 2026-11-26 09:00:00 (UTC+8) | — |
| Only A | 2026-11-27 09:00:00 (UTC+8) | — |
| Only A | 2026-11-30 09:00:00 (UTC+8) | — |
| Only A | 2026-12-01 09:00:00 (UTC+8) | — |
| Only A | 2026-12-02 09:00:00 (UTC+8) | — |
| Only A | 2026-12-03 09:00:00 (UTC+8) | — |
FAQ
How is "both" decided?
Runs are matched by second timestamp in the selected timezone within the preview window.
Can dialects differ?
Yes. Each side has its own Linux/Quartz syntax selector.