The cron expression for the 15th of every month is 0 0 15 * *. Runs at midnight on the 15th — a mid-month counterpart to the 1st.
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About 0 0 15 * *
0 0 15 * * — Runs at midnight on the 15th — a mid-month counterpart to the 1st.
Cron reads the five fields as minute hour day month weekday. For this schedule that breaks down as:
| Field | Position | Matches |
|---|---|---|
0 | minute | 0 |
0 | hour | 0 |
15 | day of month | 15 |
* | month | every month |
* | day of week | every day of the week |
New to cron? Read the syntax reference or the FAQ.
Use it in crontab or GitHub Actions
The snippets below use UTC. The crontab timezone setting requires a compatible daemon such as Cronie. GitHub Actions defaults to UTC and accepts a timezone on each schedule. For other timezones, Kubernetes, EventBridge Scheduler, or Vercel, use the export menu in the calculator above.
crontab
# At 12:00 AM, on day 15 of the month # CRON_TZ requires a cron implementation that supports it, such as Cronie. CRON_TZ=UTC 0 0 15 * * /path/to/command
GitHub Actions workflow
# At 12:00 AM, on day 15 of the month
on:
schedule:
- cron: '0 0 15 * *'
timezone: "UTC"