Cron Expression: At minutes 0, 15, 30, and 45 of every hour
Cron Expression
0,15,30,45 * * * *At minutes 0, 15, 30, and 45 of every hour
Click the expression to select it, then copy.
Quick Answer
The cron expression for "at minutes 0, 15, 30, and 45 of every hour" is `0,15,30,45 * * * *`. Copy and paste this into your crontab, Vercel cron config, GitHub Actions workflow, or any standard cron-compatible scheduler.
Field-by-Field Breakdown
| Field | Value | Meaning |
|---|---|---|
| Minute | 0,15,30,45 | At minute values: 0,15,30,45 |
| Hour | * | Every hour |
| Day of Month | * | Every day of month |
| Month | * | Every month |
| Day of Week | * | Every day of week |
Common Use Cases
- →Quarter-hourly jobs
- →Four times per hour sync
How to Use This Expression
Vercel Cron Jobs
// vercel.json
{
"crons": [{
"path": "/api/your-endpoint",
"schedule": "0,15,30,45 * * * *"
}]
}GitHub Actions
# .github/workflows/scheduled.yml
on:
schedule:
- cron: '0,15,30,45 * * * *'Linux crontab
0,15,30,45 * * * * /path/to/your-command.sh