Birdor Tools · Schedules

Cron Expression Visualizer · Birdor Tools

Paste a 5-field cron expression and see a human-friendly breakdown plus the next run times in your local timezone. Includes common templates like every day, every hour, and every week.

Cron BuilderCollapsed⬆️

Select minute/hour/weekday to generate a cron expression and human-readable schedule.

0 9 * * 1-5 — Runs weekly on weekdays (Mon–Fri), at 09:00.

Cron expression

Standard 5-field cron: minute hour day-of-month month day-of-week (no seconds). Supports macros like @daily.

Local TZ: UTC

Template note: Every day at 09:00.

NextWindow days

Tip: Traditional crontab behavior often differs from Quartz, especially around day-of-month/day-of-week. Use the toggle above to compare.

Common schedules

Field breakdown

Explanation of each cron field (supports ranges, lists, steps, and names).

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

Preview computed in local time. Count and window are configurable.

Mode: AND

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This tool is intentionally explicit about DOM/DOW semantics. Real schedulers can differ; always verify in the runtime that will execute the job.