Cron Every 20 Minutes

Cron expression to run a job every 20 minutes: */20 * * * *. Runs at :00, :20, and :40 each hour. See next execution times instantly.

*/20
Minute
*
Hour
*
Day (M)
*
Month
*
Weekday

Every 20 minutes

Next execution dates

  • Thu, Jun 11, 2026, 12:00:00 PMin 15 minutes
  • Thu, Jun 11, 2026, 12:20:00 PMin 35 minutes
  • Thu, Jun 11, 2026, 12:40:00 PMin 55 minutes
  • Thu, Jun 11, 2026, 01:00:00 PMin 1 hour
  • Thu, Jun 11, 2026, 01:20:00 PMin 2 hours

Visual builder

Pick how often the job should run. The expression updates automatically.

At:

How cron syntax works

A standard cron expression has five fields, separated by spaces.

MinuteHourDay of monthMonthDay of week
0 - 590 - 231 - 311 - 120 - 6 (Sun-Sat)
*
Any value* * * * * — every minute
,
Value list separator0 9,17 * * * — at 9 AM and 5 PM
-
Range of values0 9-17 * * * — every hour 9 AM–5 PM
/
Step values*/15 * * * * — every 15 minutes
?
No specific value (Quartz)0 0 12 ? * MON
L
Last (day of month/week)0 0 L * ? — last day of month

Common cron expressions

Click any example to load and translate it.

When to use this schedule

Runs three times per hour at :00, :20, and :40. Good for background sync operations, partial index rebuilds, or pulling updates from low-throughput webhooks.

Related cron schedules