interval
Run Every 3 Hours
Execute a task every 3 hours (8 times per day).
Cron Expression
0 */3 * * *
Expression Breakdown
0
Minute
At minute 0
*/3
Hour
Every 3 hours
*
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 | Sat, Dec 27, 12:00 AM | in 35 minutes |
| 2 | Sat, Dec 27, 3:00 AM | in 3 hours |
| 3 | Sat, Dec 27, 6:00 AM | in 6 hours |
| 4 | Sat, Dec 27, 9:00 AM | in 9 hours |
| 5 | Sat, Dec 27, 12:00 PM | in 12 hours |
| 6 | Sat, Dec 27, 3:00 PM | in 15 hours |
| 7 | Sat, Dec 27, 6:00 PM | in 18 hours |
| 8 | Sat, Dec 27, 9:00 PM | in 21 hours |
| 9 | Sun, Dec 28, 12:00 AM | in 1 day |
| 10 | Sun, Dec 28, 3:00 AM | in 1 day |
Common Use Cases
- Status reports
- Data validation
- Resource monitoring
Integration Example
crontab
# Add to crontab -e
0 */3 * * * /path/to/script.sh && curl -fsS https://haspulse.dev/ping/YOUR_CHECK_ID
0 */3 * * * /path/to/script.sh && curl -fsS https://haspulse.dev/ping/YOUR_CHECK_ID
Related Patterns
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