Birdor Tools · Schedules
Cron Expression Visualizer
Turn opaque cron strings into a clear schedule. Birdor parses a standard 5-field cron expression, explains each segment, and previews the next few run times in your local timezone — ideal for double checking backup jobs, batch tasks, and cron-based workers.
Cron expression
Standard 5-field cron: minute hour day-of-month month day-of-week (no seconds).
Next runs are computed in Asia/Shanghai.
Template note: Every day at 09:00.
Common schedules
Click a template to prefill the cron expression. You can still edit it manually.
Field breakdown
Each column explains how that part of the cron expression is interpreted.
minute0
Custom minute pattern: 0
hour9
Custom hour pattern: 9
day-of-month*
Every day of the month
month*
Every month
day-of-week*
Every day of the week
Upcoming runs
Approximate schedule based on your local time zone.
Showing next 10 runs.
This visualizer uses a simplified cron model where day-of-month and day-of-week are treated with AND semantics. Real schedulers (like crond, Quartz, or cloud platforms) may differ slightly, so always double-check in your runtime environment.