frequency
Every minute
Highest common cadence
* * * * *Cron Template Library
Curated schedules across frequency, daily, weekly, monthly, business hours, maintenance, and DevOps. Switch Linux/Quartz, search, export JSON, or open in the editor.
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60 shown · 60 built-in
frequency
Every 2 minutes
Light polling
*/2 * * * *frequency
Every 5 minutes
Common health / sync interval
*/5 * * * *frequency
Every 10 minutes
Moderate polling
*/10 * * * *frequency
Every 15 minutes
Quarter-hour cadence
*/15 * * * *frequency
Every 20 minutes
*/20 minute schedule
*/20 * * * *frequency
Every 30 minutes
Half-hour cadence
*/30 * * * *frequency
Every hour on the hour
At minute 0 of every hour
0 * * * *frequency
Every hour at :30
Offset from the hour
30 * * * *frequency
Every 2 hours
At minute 0 every 2 hours
0 */2 * * *frequency
Every 3 hours
Low-frequency loop
0 */3 * * *frequency
Every 6 hours
Four times a day
0 */6 * * *frequency
Every 12 hours
Twice daily at :00
0 */12 * * *daily
Daily at midnight
00:00 every day
0 0 * * *daily
Daily at 01:00
Quiet overnight window
0 1 * * *daily
Daily at 02:00
Common backup window
0 2 * * *daily
Daily at 03:00
Off-peak maintenance
0 3 * * *daily
Daily at 06:00
Early morning prep
0 6 * * *daily
Daily at 08:00
Start-of-day job
0 8 * * *daily
Daily at noon
12:00 every day
0 12 * * *daily
Daily at 18:30
Evening batch
30 18 * * *daily
Daily at 21:00
Nightly wrap-up
0 21 * * *daily
Daily at 23:30
Late-night rollup
30 23 * * *weekly
Mondays at 09:00
Weekly kickoff
0 9 * * 1weekly
Mondays at 10:00
Weekly planning
0 10 * * 1weekly
Wednesdays at 14:00
Mid-week check
0 14 * * 3weekly
Fridays at 18:00
End-of-week job
0 18 * * 5weekly
Saturdays at 09:00
Weekend batch
0 9 * * 6weekly
Sundays at 12:00
Weekly report
0 12 * * 0weekly
Sundays at 22:00
Pre-week prep
0 22 * * 0weekly
Sat & Sun at 02:00
Weekend-only maintenance
0 2 * * 0,6monthly
1st of month at 00:00
Monthly reset
0 0 1 * *monthly
1st of month at 09:00
Monthly business open
0 9 1 * *monthly
15th at 00:00
Mid-month job
0 0 15 * *monthly
25th at 18:00
Month-end prep
0 18 25 * *monthly
Last day of month 00:00 (Quartz)
Uses L — Linux approx 28–31
0 0 28-31 * *monthly
First Monday 09:00 (Quartz)
Uses # — Linux preview limited
0 9 1-7 * 1monthly
Quarterly on 1st at 00:00
Jan/Apr/Jul/Oct
0 0 1 1,4,7,10 *monthly
Yearly Jan 1 at 00:00
New-year reset
0 0 1 1 *business
Weekdays at 09:00
Mon–Fri at 09:00
0 9 * * 1-5business
Weekdays at 09:30
After open bell
30 9 * * 1-5business
Weekdays at 12:00
Lunch-time batch
0 12 * * 1-5business
Weekdays at 18:00
End-of-business day
0 18 * * 1-5business
Hourly 09–18 weekdays
Business-hours heartbeat
0 9-18 * * 1-5business
Every 30m 09–18 weekdays
Intraday sync
*/30 9-18 * * 1-5business
Weekdays at 08:00 and 20:00
Open and close
0 8,20 * * 1-5maintenance
Daily backup at 02:00
Classic DB / file backup
0 2 * * *maintenance
Weekly full backup Sun 03:00
Weekly full snapshot
0 3 * * 0maintenance
Log rotate at 04:00 daily
Rotate / compress logs
0 4 * * *maintenance
Temp cleanup at 03:30
Disk hygiene
30 3 * * *maintenance
Cert check Mon 07:00
TLS expiry watch
0 7 * * 1maintenance
DB vacuum 1st at 01:00
Monthly DB maintenance
0 1 1 * *maintenance
Health probe every 5m
Uptime probe cadence
*/5 * * * *devops
Nightly CI at 02:00
Nightly build / test
0 2 * * *devops
Weekday CI at 01:00
Skip weekends
0 1 * * 1-5devops
Deploy window Tue/Thu 10:00
Controlled release slots
0 10 * * 2,4devops
Image prune Sun 04:00
Container / image GC
0 4 * * 0devops
Mirror sync hourly
Artifact / mirror pull
15 * * * *devops
Security scan Sat 02:00
Weekend vuln scan
0 2 * * 6devops
Metrics rollup every 15m
Telemetry aggregation
*/15 * * * *FAQ
Are these production-safe?
They are common patterns. Always preview next runs in your target timezone before deploying.
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