Cron expression for every Wednesday

About 0 0 * * 3

0 0 * * 3 runs weekly at midnight on Wednesday. The last field is the day of week, where 0 is Sunday and 6 is Saturday — Wednesday is 3.

Cron reads the five fields as minute hour day month weekday. For this schedule that breaks down as:

New to cron? Read the syntax reference or the FAQ.

Use it in crontab or GitHub Actions

Both snippets are ready to paste. A crontab runs in the server's local timezone; GitHub Actions always evaluates schedules in UTC. For Kubernetes, AWS EventBridge, or Vercel, use the export menu in the calculator above.

crontab

# At 12:00 AM, only on Wednesday
0 0 * * 3 /path/to/command

GitHub Actions workflow

# At 12:00 AM, only on Wednesday
# Note: GitHub Actions always runs schedules in UTC.
on:
  schedule:
    - cron: '0 0 * * 3'

Weekly schedules

• every Tuesday0 0 * * 2
• every Tuesday at 9 AM0 9 * * 2
• every Tuesday at 6 PM0 18 * * 2
• every Wednesday at 9 AM0 9 * * 3
• every Wednesday at 6 PM0 18 * * 3
• every Thursday0 0 * * 4

Build a custom cron expression →