interval
Run Every 20 Minutes
Execute a task every 20 minutes (3 times per hour).
Cron Expression
*/20 * * * *
Expression Breakdown
*/20
Minute
Every 20 minutes
*
Hour
Every hour (0-23)
*
Day of Month
Every day (1-31)
*
Month
Every month (1-12)
*
Day of Week
Every day of the week
Next 10 scheduled runs
| # | Date & Time | Relative |
|---|---|---|
| 1 | Fri, Dec 26, 11:40 PM | in 15 minutes |
| 2 | Sat, Dec 27, 12:00 AM | in 35 minutes |
| 3 | Sat, Dec 27, 12:20 AM | in 55 minutes |
| 4 | Sat, Dec 27, 12:40 AM | in 1 hour |
| 5 | Sat, Dec 27, 1:00 AM | in 1 hour |
| 6 | Sat, Dec 27, 1:20 AM | in 1 hour |
| 7 | Sat, Dec 27, 1:40 AM | in 2 hours |
| 8 | Sat, Dec 27, 2:00 AM | in 2 hours |
| 9 | Sat, Dec 27, 2:20 AM | in 2 hours |
| 10 | Sat, Dec 27, 2:40 AM | in 3 hours |
Common Use Cases
- Batch processing
- Data validation
- Cache warming
Integration Example
crontab
# Add to crontab -e
*/20 * * * * /path/to/script.sh && curl -fsS https://haspulse.dev/ping/YOUR_CHECK_ID
*/20 * * * * /path/to/script.sh && curl -fsS https://haspulse.dev/ping/YOUR_CHECK_ID
Related Patterns
Monitor this schedule with HasPulse
Get alerted instantly when your every 20 minutes job fails or misses its schedule.
Start monitoring free