Introduction

Cron jobs are an essential part of any Linux system. They allow you to schedule tasks to be run automatically at a specified time or interval. We have listed numerous cron job examples of cron jobs on this page which will run every so many hours.

Why Might You Want to Run a Cron Job Every Few Hours?

There are many reasons you might want to run a cron job every few hours. For example, if you have a website that gets a lot of traffic, you might want to run a cron job every few hours to keep the site running smoothly.

Alternatively, if you have an e-commerce store, you might want to run a cron job every few hours to update inventory levels or process orders.

Whatever the reason, cron jobs can be very useful for automating tasks that need to be run regularly.

Examples

Here are some examples of cron jobs/crontabs which run on various “every so many hour” schedules:

Cron Jobs Every So Many Hours

These cron jobs will run every so many hours:

Every hour: 0 * * * *
Every 2 hours: 0 */2 * * *
Every 3 hours: 0 */3 * * *
Every 4 hours: 0 */4 * * *
Every 5 hours: 0 */5 * * *
Every 6 hours: 0 */6 * * *
Every 7 hours: 0 */7 * * *
Every 8 hours: 0 */8 * * *
Every 9 hours: 0 */9 * * *
Every 10 hours: 0 */10 * * *
Every 11 hours: 0 */11 * * *
Every 12 hours: 0 */12 * * *

Cron Jobs Every So Many Hours at So Many Minutes Past the Hour

The following cron jobs happen every few hours but at a specific number of minutes past the hour:

Every 1 hour at 1 minute past the hour: 1 * * * *
Every 1 hour at 10 minutes past the hour: 10 * * * *
Every 1 hour at 20 minutes past the hour: 20 * * * *
Every 1 hour at 30 minutes past the hour: 30 * * * *
Every 1 hour at 40 minutes past the hour: 40 * * * *
Every 1 hour at 50 minutes past the hour: 50 * * * *
Every 2 hours at 1 minute past the hour: 1 */2 * * *
Every 2 hours at 10 minutes past the hour: 10 */2 * * *
Every 2 hours at 20 minutes past the hour: 20 */2 * * *
Every 2 hours at 30 minutes past the hour: 30 */2 * * *
Every 2 hours at 40 minutes past the hour: 40 */2 * * *
Every 2 hours at 50 minutes past the hour: 50 */2 * * *
Every 3 hours at 1 minute past the hour: 1 */3 * * *
Every 3 hours at 10 minutes past the hour: 10 */3 * * *
Every 3 hours at 20 minutes past the hour: 20 */3 * * *
Every 3 hours at 30 minutes past the hour: 30 */3 * * *
Every 3 hours at 40 minutes past the hour: 40 */3 * * *
Every 3 hours at 50 minutes past the hour: 50 */3 * * *
Every 4 hours at 1 minute past the hour: 1 */4 * * *
Every 4 hours at 10 minutes past the hour: 10 */4 * * *
Every 4 hours at 20 minutes past the hour: 20 */4 * * *
Every 4 hours at 30 minutes past the hour: 30 */4 * * *
Every 4 hours at 40 minutes past the hour: 40 */4 * * *
Every 4 hours at 50 minutes past the hour: 50 */4 * * *
Every 5 hours at 1 minute past the hour: 1 */5 * * *
Every 5 hours at 10 minutes past the hour: 10 */5 * * *
Every 5 hours at 20 minutes past the hour: 20 */5 * * *
Every 5 hours at 30 minutes past the hour: 30 */5 * * *
Every 5 hours at 40 minutes past the hour: 40 */5 * * *
Every 5 hours at 50 minutes past the hour: 50 */5 * * *
Every 6 hours at 1 minute past the hour: 1 */6 * * *
Every 6 hours at 10 minutes past the hour: 10 */6 * * *
Every 6 hours at 20 minutes past the hour: 20 */6 * * *
Every 6 hours at 30 minutes past the hour: 30 */6 * * *
Every 6 hours at 40 minutes past the hour: 40 */6 * * *
Every 6 hours at 50 minutes past the hour: 50 */6 * * *
Every 7 hours at 1 minute past the hour: 1 */7 * * *
Every 7 hours at 10 minutes past the hour: 10 */7 * * *
Every 7 hours at 20 minutes past the hour: 20 */7 * * *
Every 7 hours at 30 minutes past the hour: 30 */7 * * *
Every 7 hours at 40 minutes past the hour: 40 */7 * * *
Every 7 hours at 50 minutes past the hour: 50 */7 * * *
Every 8 hours at 1 minute past the hour: 1 */8 * * *
Every 8 hours at 10 minutes past the hour: 10 */8 * * *
Every 8 hours at 20 minutes past the hour: 20 */8 * * *
Every 8 hours at 30 minutes past the hour: 30 */8 * * *
Every 8 hours at 40 minutes past the hour: 40 */8 * * *
Every 8 hours at 50 minutes past the hour: 50 */8 * * *
Every 9 hours at 1 minute past the hour: 1 */9 * * *
Every 9 hours at 10 minutes past the hour: 10 */9 * * *
Every 9 hours at 20 minutes past the hour: 20 */9 * * *
Every 9 hours at 30 minutes past the hour: 30 */9 * * *
Every 9 hours at 40 minutes past the hour: 40 */9 * * *
Every 9 hours at 50 minutes past the hour: 50 */9 * * *
Every 10 hours at 1 minute past the hour: 1 */10 * * *
Every 10 hours at 10 minutes past the hour: 10 */10 * * *
Every 10 hours at 20 minutes past the hour: 20 */10 * * *
Every 10 hours at 30 minutes past the hour: 30 */10 * * *
Every 10 hours at 40 minutes past the hour: 40 */10 * * *
Every 10 hours at 50 minutes past the hour: 50 */10 * * *
Every 11 hours at 1 minute past the hour: 1 */11 * * *
Every 11 hours at 10 minutes past the hour: 10 */11 * * *
Every 11 hours at 20 minutes past the hour: 20 */11 * * *
Every 11 hours at 30 minutes past the hour: 30 */11 * * *
Every 11 hours at 40 minutes past the hour: 40 */11 * * *
Every 11 hours at 50 minutes past the hour: 50 */11 * * *
Every 12 hours at 1 minute past the hour: 1 */12 * * *
Every 12 hours at 10 minutes past the hour: 10 */12 * * *
Every 12 hours at 20 minutes past the hour: 20 */12 * * *
Every 12 hours at 30 minutes past the hour: 30 */12 * * *
Every 12 hours at 40 minutes past the hour: 40 */12 * * *
Every 12 hours at 50 minutes past the hour: 50 */12 * * *

Cron Job Every Hour Between Two Times

These cron jobs will be triggered every hour between two specific times:

Every hour between 12:00 am and 1:00 am: 0 0-1 * * *
Every hour between 12:00 am and 2:00 am: 0 0-2 * * *
Every hour between 12:00 am and 3:00 am: 0 0-3 * * *
Every hour between 12:00 am and 4:00 am: 0 0-4 * * *
Every hour between 12:00 am and 5:00 am: 0 0-5 * * *
Every hour between 12:00 am and 6:00 am: 0 0-6 * * *
Every hour between 12:00 am and 7:00 am: 0 0-7 * * *
Every hour between 12:00 am and 8:00 am: 0 0-8 * * *
Every hour between 12:00 am and 9:00 am: 0 0-9 * * *
Every hour between 12:00 am and 10:00 am: 0 0-10 * * *
Every hour between 12:00 am and 11:00 am: 0 0-11 * * *
Every hour between 12:00 am and 12:00 pm: 0 0-12 * * *
Every hour between 12:00 am and 1:00 pm: 0 0-13 * * *
Every hour between 12:00 am and 2:00 pm: 0 0-14 * * *
Every hour between 12:00 am and 3:00 pm: 0 0-15 * * *
Every hour between 12:00 am and 4:00 pm: 0 0-16 * * *
Every hour between 12:00 am and 5:00 pm: 0 0-17 * * *
Every hour between 12:00 am and 6:00 pm: 0 0-18 * * *
Every hour between 12:00 am and 7:00 pm: 0 0-19 * * *
Every hour between 12:00 am and 8:00 pm: 0 0-20 * * *
Every hour between 12:00 am and 9:00 pm: 0 0-21 * * *
Every hour between 12:00 am and 10:00 pm: 0 0-22 * * *
Every hour between 12:00 am and 11:00 pm: 0 0-23 * * *
Every hour between 1:00 am and 2:00 am: 0 1-2 * * *
Every hour between 1:00 am and 3:00 am: 0 1-3 * * *
Every hour between 1:00 am and 4:00 am: 0 1-4 * * *
Every hour between 1:00 am and 5:00 am: 0 1-5 * * *
Every hour between 1:00 am and 6:00 am: 0 1-6 * * *
Every hour between 1:00 am and 7:00 am: 0 1-7 * * *
Every hour between 1:00 am and 8:00 am: 0 1-8 * * *
Every hour between 1:00 am and 9:00 am: 0 1-9 * * *
Every hour between 1:00 am and 10:00 am: 0 1-10 * * *
Every hour between 1:00 am and 11:00 am: 0 1-11 * * *
Every hour between 1:00 am and 12:00 pm: 0 1-12 * * *
Every hour between 1:00 am and 1:00 pm: 0 1-13 * * *
Every hour between 1:00 am and 2:00 pm: 0 1-14 * * *
Every hour between 1:00 am and 3:00 pm: 0 1-15 * * *
Every hour between 1:00 am and 4:00 pm: 0 1-16 * * *
Every hour between 1:00 am and 5:00 pm: 0 1-17 * * *
Every hour between 1:00 am and 6:00 pm: 0 1-18 * * *
Every hour between 1:00 am and 7:00 pm: 0 1-19 * * *
Every hour between 1:00 am and 8:00 pm: 0 1-20 * * *
Every hour between 1:00 am and 9:00 pm: 0 1-21 * * *
Every hour between 1:00 am and 10:00 pm: 0 1-22 * * *
Every hour between 1:00 am and 11:00 pm: 0 1-23 * * *
Every hour between 2:00 am and 3:00 am: 0 2-3 * * *
Every hour between 2:00 am and 4:00 am: 0 2-4 * * *
Every hour between 2:00 am and 5:00 am: 0 2-5 * * *
Every hour between 2:00 am and 6:00 am: 0 2-6 * * *
Every hour between 2:00 am and 7:00 am: 0 2-7 * * *
Every hour between 2:00 am and 8:00 am: 0 2-8 * * *
Every hour between 2:00 am and 9:00 am: 0 2-9 * * *
Every hour between 2:00 am and 10:00 am: 0 2-10 * * *
Every hour between 2:00 am and 11:00 am: 0 2-11 * * *
Every hour between 2:00 am and 12:00 pm: 0 2-12 * * *
Every hour between 2:00 am and 1:00 pm: 0 2-13 * * *
Every hour between 2:00 am and 2:00 pm: 0 2-14 * * *
Every hour between 2:00 am and 3:00 pm: 0 2-15 * * *
Every hour between 2:00 am and 4:00 pm: 0 2-16 * * *
Every hour between 2:00 am and 5:00 pm: 0 2-17 * * *
Every hour between 2:00 am and 6:00 pm: 0 2-18 * * *
Every hour between 2:00 am and 7:00 pm: 0 2-19 * * *
Every hour between 2:00 am and 8:00 pm: 0 2-20 * * *
Every hour between 2:00 am and 9:00 pm: 0 2-21 * * *
Every hour between 2:00 am and 10:00 pm: 0 2-22 * * *
Every hour between 2:00 am and 11:00 pm: 0 2-23 * * *
Every hour between 3:00 am and 4:00 am: 0 3-4 * * *
Every hour between 3:00 am and 5:00 am: 0 3-5 * * *
Every hour between 3:00 am and 6:00 am: 0 3-6 * * *
Every hour between 3:00 am and 7:00 am: 0 3-7 * * *
Every hour between 3:00 am and 8:00 am: 0 3-8 * * *
Every hour between 3:00 am and 9:00 am: 0 3-9 * * *
Every hour between 3:00 am and 10:00 am: 0 3-10 * * *
Every hour between 3:00 am and 11:00 am: 0 3-11 * * *
Every hour between 3:00 am and 12:00 pm: 0 3-12 * * *
Every hour between 3:00 am and 1:00 pm: 0 3-13 * * *
Every hour between 3:00 am and 2:00 pm: 0 3-14 * * *
Every hour between 3:00 am and 3:00 pm: 0 3-15 * * *
Every hour between 3:00 am and 4:00 pm: 0 3-16 * * *
Every hour between 3:00 am and 5:00 pm: 0 3-17 * * *
Every hour between 3:00 am and 6:00 pm: 0 3-18 * * *
Every hour between 3:00 am and 7:00 pm: 0 3-19 * * *
Every hour between 3:00 am and 8:00 pm: 0 3-20 * * *
Every hour between 3:00 am and 9:00 pm: 0 3-21 * * *
Every hour between 3:00 am and 10:00 pm: 0 3-22 * * *
Every hour between 3:00 am and 11:00 pm: 0 3-23 * * *
Every hour between 4:00 am and 5:00 am: 0 4-5 * * *
Every hour between 4:00 am and 6:00 am: 0 4-6 * * *
Every hour between 4:00 am and 7:00 am: 0 4-7 * * *
Every hour between 4:00 am and 8:00 am: 0 4-8 * * *
Every hour between 4:00 am and 9:00 am: 0 4-9 * * *
Every hour between 4:00 am and 10:00 am: 0 4-10 * * *
Every hour between 4:00 am and 11:00 am: 0 4-11 * * *
Every hour between 4:00 am and 12:00 pm: 0 4-12 * * *
Every hour between 4:00 am and 1:00 pm: 0 4-13 * * *
Every hour between 4:00 am and 2:00 pm: 0 4-14 * * *
Every hour between 4:00 am and 3:00 pm: 0 4-15 * * *
Every hour between 4:00 am and 4:00 pm: 0 4-16 * * *
Every hour between 4:00 am and 5:00 pm: 0 4-17 * * *
Every hour between 4:00 am and 6:00 pm: 0 4-18 * * *
Every hour between 4:00 am and 7:00 pm: 0 4-19 * * *
Every hour between 4:00 am and 8:00 pm: 0 4-20 * * *
Every hour between 4:00 am and 9:00 pm: 0 4-21 * * *
Every hour between 4:00 am and 10:00 pm: 0 4-22 * * *
Every hour between 4:00 am and 11:00 pm: 0 4-23 * * *
Every hour between 5:00 am and 6:00 am: 0 5-6 * * *
Every hour between 5:00 am and 7:00 am: 0 5-7 * * *
Every hour between 5:00 am and 8:00 am: 0 5-8 * * *
Every hour between 5:00 am and 9:00 am: 0 5-9 * * *
Every hour between 5:00 am and 10:00 am: 0 5-10 * * *
Every hour between 5:00 am and 11:00 am: 0 5-11 * * *
Every hour between 5:00 am and 12:00 pm: 0 5-12 * * *
Every hour between 5:00 am and 1:00 pm: 0 5-13 * * *
Every hour between 5:00 am and 2:00 pm: 0 5-14 * * *
Every hour between 5:00 am and 3:00 pm: 0 5-15 * * *
Every hour between 5:00 am and 4:00 pm: 0 5-16 * * *
Every hour between 5:00 am and 5:00 pm: 0 5-17 * * *
Every hour between 5:00 am and 6:00 pm: 0 5-18 * * *
Every hour between 5:00 am and 7:00 pm: 0 5-19 * * *
Every hour between 5:00 am and 8:00 pm: 0 5-20 * * *
Every hour between 5:00 am and 9:00 pm: 0 5-21 * * *
Every hour between 5:00 am and 10:00 pm: 0 5-22 * * *
Every hour between 5:00 am and 11:00 pm: 0 5-23 * * *
Every hour between 6:00 am and 7:00 am: 0 6-7 * * *
Every hour between 6:00 am and 8:00 am: 0 6-8 * * *
Every hour between 6:00 am and 9:00 am: 0 6-9 * * *
Every hour between 6:00 am and 10:00 am: 0 6-10 * * *
Every hour between 6:00 am and 11:00 am: 0 6-11 * * *
Every hour between 6:00 am and 12:00 pm: 0 6-12 * * *
Every hour between 6:00 am and 1:00 pm: 0 6-13 * * *
Every hour between 6:00 am and 2:00 pm: 0 6-14 * * *
Every hour between 6:00 am and 3:00 pm: 0 6-15 * * *
Every hour between 6:00 am and 4:00 pm: 0 6-16 * * *
Every hour between 6:00 am and 5:00 pm: 0 6-17 * * *
Every hour between 6:00 am and 6:00 pm: 0 6-18 * * *
Every hour between 6:00 am and 7:00 pm: 0 6-19 * * *
Every hour between 6:00 am and 8:00 pm: 0 6-20 * * *
Every hour between 6:00 am and 9:00 pm: 0 6-21 * * *
Every hour between 6:00 am and 10:00 pm: 0 6-22 * * *
Every hour between 6:00 am and 11:00 pm: 0 6-23 * * *
Every hour between 7:00 am and 8:00 am: 0 7-8 * * *
Every hour between 7:00 am and 9:00 am: 0 7-9 * * *
Every hour between 7:00 am and 10:00 am: 0 7-10 * * *
Every hour between 7:00 am and 11:00 am: 0 7-11 * * *
Every hour between 7:00 am and 12:00 pm: 0 7-12 * * *
Every hour between 7:00 am and 1:00 pm: 0 7-13 * * *
Every hour between 7:00 am and 2:00 pm: 0 7-14 * * *
Every hour between 7:00 am and 3:00 pm: 0 7-15 * * *
Every hour between 7:00 am and 4:00 pm: 0 7-16 * * *
Every hour between 7:00 am and 5:00 pm: 0 7-17 * * *
Every hour between 7:00 am and 6:00 pm: 0 7-18 * * *
Every hour between 7:00 am and 7:00 pm: 0 7-19 * * *
Every hour between 7:00 am and 8:00 pm: 0 7-20 * * *
Every hour between 7:00 am and 9:00 pm: 0 7-21 * * *
Every hour between 7:00 am and 10:00 pm: 0 7-22 * * *
Every hour between 7:00 am and 11:00 pm: 0 7-23 * * *
Every hour between 8:00 am and 9:00 am: 0 8-9 * * *
Every hour between 8:00 am and 10:00 am: 0 8-10 * * *
Every hour between 8:00 am and 11:00 am: 0 8-11 * * *
Every hour between 8:00 am and 12:00 pm: 0 8-12 * * *
Every hour between 8:00 am and 1:00 pm: 0 8-13 * * *
Every hour between 8:00 am and 2:00 pm: 0 8-14 * * *
Every hour between 8:00 am and 3:00 pm: 0 8-15 * * *
Every hour between 8:00 am and 4:00 pm: 0 8-16 * * *
Every hour between 8:00 am and 5:00 pm: 0 8-17 * * *
Every hour between 8:00 am and 6:00 pm: 0 8-18 * * *
Every hour between 8:00 am and 7:00 pm: 0 8-19 * * *
Every hour between 8:00 am and 8:00 pm: 0 8-20 * * *
Every hour between 8:00 am and 9:00 pm: 0 8-21 * * *
Every hour between 8:00 am and 10:00 pm: 0 8-22 * * *
Every hour between 8:00 am and 11:00 pm: 0 8-23 * * *
Every hour between 9:00 am and 10:00 am: 0 9-10 * * *
Every hour between 9:00 am and 11:00 am: 0 9-11 * * *
Every hour between 9:00 am and 12:00 pm: 0 9-12 * * *
Every hour between 9:00 am and 1:00 pm: 0 9-13 * * *
Every hour between 9:00 am and 2:00 pm: 0 9-14 * * *
Every hour between 9:00 am and 3:00 pm: 0 9-15 * * *
Every hour between 9:00 am and 4:00 pm: 0 9-16 * * *
Every hour between 9:00 am and 5:00 pm: 0 9-17 * * *
Every hour between 9:00 am and 6:00 pm: 0 9-18 * * *
Every hour between 9:00 am and 7:00 pm: 0 9-19 * * *
Every hour between 9:00 am and 8:00 pm: 0 9-20 * * *
Every hour between 9:00 am and 9:00 pm: 0 9-21 * * *
Every hour between 9:00 am and 10:00 pm: 0 9-22 * * *
Every hour between 9:00 am and 11:00 pm: 0 9-23 * * *
Every hour between 10:00 am and 11:00 am: 0 10-11 * * *
Every hour between 10:00 am and 12:00 pm: 0 10-12 * * *
Every hour between 10:00 am and 1:00 pm: 0 10-13 * * *
Every hour between 10:00 am and 2:00 pm: 0 10-14 * * *
Every hour between 10:00 am and 3:00 pm: 0 10-15 * * *
Every hour between 10:00 am and 4:00 pm: 0 10-16 * * *
Every hour between 10:00 am and 5:00 pm: 0 10-17 * * *
Every hour between 10:00 am and 6:00 pm: 0 10-18 * * *
Every hour between 10:00 am and 7:00 pm: 0 10-19 * * *
Every hour between 10:00 am and 8:00 pm: 0 10-20 * * *
Every hour between 10:00 am and 9:00 pm: 0 10-21 * * *
Every hour between 10:00 am and 10:00 pm: 0 10-22 * * *
Every hour between 10:00 am and 11:00 pm: 0 10-23 * * *
Every hour between 11:00 am and 12:00 pm: 0 11-12 * * *
Every hour between 11:00 am and 1:00 pm: 0 11-13 * * *
Every hour between 11:00 am and 2:00 pm: 0 11-14 * * *
Every hour between 11:00 am and 3:00 pm: 0 11-15 * * *
Every hour between 11:00 am and 4:00 pm: 0 11-16 * * *
Every hour between 11:00 am and 5:00 pm: 0 11-17 * * *
Every hour between 11:00 am and 6:00 pm: 0 11-18 * * *
Every hour between 11:00 am and 7:00 pm: 0 11-19 * * *
Every hour between 11:00 am and 8:00 pm: 0 11-20 * * *
Every hour between 11:00 am and 9:00 pm: 0 11-21 * * *
Every hour between 11:00 am and 10:00 pm: 0 11-22 * * *
Every hour between 11:00 am and 11:00 pm: 0 11-23 * * *
Every hour between 12:00 pm and 1:00 pm: 0 12-13 * * *
Every hour between 12:00 pm and 2:00 pm: 0 12-14 * * *
Every hour between 12:00 pm and 3:00 pm: 0 12-15 * * *
Every hour between 12:00 pm and 4:00 pm: 0 12-16 * * *
Every hour between 12:00 pm and 5:00 pm: 0 12-17 * * *
Every hour between 12:00 pm and 6:00 pm: 0 12-18 * * *
Every hour between 12:00 pm and 7:00 pm: 0 12-19 * * *
Every hour between 12:00 pm and 8:00 pm: 0 12-20 * * *
Every hour between 12:00 pm and 9:00 pm: 0 12-21 * * *
Every hour between 12:00 pm and 10:00 pm: 0 12-22 * * *
Every hour between 12:00 pm and 11:00 pm: 0 12-23 * * *
Every hour between 1:00 pm and 2:00 pm: 0 13-14 * * *
Every hour between 1:00 pm and 3:00 pm: 0 13-15 * * *
Every hour between 1:00 pm and 4:00 pm: 0 13-16 * * *
Every hour between 1:00 pm and 5:00 pm: 0 13-17 * * *
Every hour between 1:00 pm and 6:00 pm: 0 13-18 * * *
Every hour between 1:00 pm and 7:00 pm: 0 13-19 * * *
Every hour between 1:00 pm and 8:00 pm: 0 13-20 * * *
Every hour between 1:00 pm and 9:00 pm: 0 13-21 * * *
Every hour between 1:00 pm and 10:00 pm: 0 13-22 * * *
Every hour between 1:00 pm and 11:00 pm: 0 13-23 * * *
Every hour between 2:00 pm and 3:00 pm: 0 14-15 * * *
Every hour between 2:00 pm and 4:00 pm: 0 14-16 * * *
Every hour between 2:00 pm and 5:00 pm: 0 14-17 * * *
Every hour between 2:00 pm and 6:00 pm: 0 14-18 * * *
Every hour between 2:00 pm and 7:00 pm: 0 14-19 * * *
Every hour between 2:00 pm and 8:00 pm: 0 14-20 * * *
Every hour between 2:00 pm and 9:00 pm: 0 14-21 * * *
Every hour between 2:00 pm and 10:00 pm: 0 14-22 * * *
Every hour between 2:00 pm and 11:00 pm: 0 14-23 * * *
Every hour between 3:00 pm and 4:00 pm: 0 15-16 * * *
Every hour between 3:00 pm and 5:00 pm: 0 15-17 * * *
Every hour between 3:00 pm and 6:00 pm: 0 15-18 * * *
Every hour between 3:00 pm and 7:00 pm: 0 15-19 * * *
Every hour between 3:00 pm and 8:00 pm: 0 15-20 * * *
Every hour between 3:00 pm and 9:00 pm: 0 15-21 * * *
Every hour between 3:00 pm and 10:00 pm: 0 15-22 * * *
Every hour between 3:00 pm and 11:00 pm: 0 15-23 * * *
Every hour between 4:00 pm and 5:00 pm: 0 16-17 * * *
Every hour between 4:00 pm and 6:00 pm: 0 16-18 * * *
Every hour between 4:00 pm and 7:00 pm: 0 16-19 * * *
Every hour between 4:00 pm and 8:00 pm: 0 16-20 * * *
Every hour between 4:00 pm and 9:00 pm: 0 16-21 * * *
Every hour between 4:00 pm and 10:00 pm: 0 16-22 * * *
Every hour between 4:00 pm and 11:00 pm: 0 16-23 * * *
Every hour between 5:00 pm and 6:00 pm: 0 17-18 * * *
Every hour between 5:00 pm and 7:00 pm: 0 17-19 * * *
Every hour between 5:00 pm and 8:00 pm: 0 17-20 * * *
Every hour between 5:00 pm and 9:00 pm: 0 17-21 * * *
Every hour between 5:00 pm and 10:00 pm: 0 17-22 * * *
Every hour between 5:00 pm and 11:00 pm: 0 17-23 * * *
Every hour between 6:00 pm and 7:00 pm: 0 18-19 * * *
Every hour between 6:00 pm and 8:00 pm: 0 18-20 * * *
Every hour between 6:00 pm and 9:00 pm: 0 18-21 * * *
Every hour between 6:00 pm and 10:00 pm: 0 18-22 * * *
Every hour between 6:00 pm and 11:00 pm: 0 18-23 * * *
Every hour between 7:00 pm and 8:00 pm: 0 19-20 * * *
Every hour between 7:00 pm and 9:00 pm: 0 19-21 * * *
Every hour between 7:00 pm and 10:00 pm: 0 19-22 * * *
Every hour between 7:00 pm and 11:00 pm: 0 19-23 * * *
Every hour between 8:00 pm and 9:00 pm: 0 20-21 * * *
Every hour between 8:00 pm and 10:00 pm: 0 20-22 * * *
Every hour between 8:00 pm and 11:00 pm: 0 20-23 * * *
Every hour between 9:00 pm and 10:00 pm: 0 21-22 * * *
Every hour between 9:00 pm and 11:00 pm: 0 21-23 * * *
Every hour between 10:00 pm and 11:00 pm: 0 22-23 * * *

Wrapping Up

The examples above should have helped you to set up a cron job to run every few hours.

Remember to check out our main cron jobs cheat sheet and if you are looking to set up a cron job to run every few minutes, days, weekdays, or months, then be sure to check out our relevant sections. You can also find miscellaneous cron jobs here.

We hope you found some of the crontab examples we’ve listed above helpful. Feel free to let us know if there are any additional examples you’d like to see on this page.

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