Skip to content

Cron expressions

Run a cron job every 12 hours

Need a morning and evening run? Every twelve hours fires at midnight and noon, a simple fit for jobs that should happen twice a day.

0 */12 * * *

At 0 minutes past the hour, every 12 hours

0 */12 * * * runs twice a day, at midnight and noon. Twice-daily is handy for morning and evening jobs that do not need a precise local time.

Next run times

  1. 1.2026-09-13T12:00:00.000Z
  2. 2.2026-09-14T00:00:00.000Z
  3. 3.2026-09-14T12:00:00.000Z
  4. 4.2026-09-15T00:00:00.000Z
  5. 5.2026-09-15T12:00:00.000Z

What 0 */12 * * * means

FieldValueMeaning
Minute0at minute 0
Hour*/12every 12 hours
Day of month*every day of the month
Month*every month
Day of week*every day of the week

Example use cases

  • twice-daily sync
  • report generation
  • reminder pings

Work with this expression

Schedule this on Cronhost

Point it at any URL, add headers or a body if you need them, and let Cronhost handle the timing, retries, and execution logs. It runs on the free plan.

Frequently asked questions

Related schedules