interval
Run Every 12 Hours
Execute a task every 12 hours (twice per day).
Cron Expression
0 */12 * * *
Expression Breakdown
0
Minute
At minute 0
*/12
Hour
Every 12 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, 12:00 PM | in 12 hours |
| 3 | Sun, Dec 28, 12:00 AM | in 1 day |
| 4 | Sun, Dec 28, 12:00 PM | in 1 day |
| 5 | Mon, Dec 29, 12:00 AM | in 2 days |
| 6 | Mon, Dec 29, 12:00 PM | in 2 days |
| 7 | Tue, Dec 30, 12:00 AM | in 3 days |
| 8 | Tue, Dec 30, 12:00 PM | in 3 days |
| 9 | Wed, Dec 31, 12:00 AM | in 4 days |
| 10 | Wed, Dec 31, 12:00 PM | in 4 days |
Common Use Cases
- Morning/evening reports
- Data backup
- Newsletter digest
Integration Example
crontab
# Add to crontab -e
0 */12 * * * /path/to/script.sh && curl -fsS https://haspulse.dev/ping/YOUR_CHECK_ID
0 */12 * * * /path/to/script.sh && curl -fsS https://haspulse.dev/ping/YOUR_CHECK_ID
Related Patterns
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