# Setup Kibana Watcher to run during a particular window
**URL:** https://discuss.elastic.co/t/setup-kibana-watcher-to-run-during-a-particular-window/185061
**Category:** Kibana
**Tags:** elastic-stack-alerting
**Created:** [June 10, 2019, 9:32pm UTC](https://discuss.elastic.co/t/setup-kibana-watcher-to-run-during-a-particular-window/185061 "2019-06-10T21:32:30Z")
**Posts on this page:** 3
**Page:** 1
### Author:  [@shirsho13](https://discuss.elastic.co/u/shirsho13)
#### Post date: [June 10, 2019, 9:32pm UTC](https://discuss.elastic.co/t/setup-kibana-watcher-to-run-during-a-particular-window/185061/1 "2019-06-10T21:32:31Z")
Hi there, i am fairly new to setting up Kibana watcher alerts. Right now I have a watcher which is set to execute every 15 minutes. This is how the trigger looks -
"trigger": {
"schedule": {
"interval": "15m"
}
I want to modify it so that the watcher only executes during the 7 AM to 9 PM window. I understand there is an option of adding a cron expression to the trigger which would limit the window - could I get some examples for reference?
Thanks a ton in advance!
---
### Author:  [@warkolm](https://discuss.elastic.co/u/warkolm)
#### Post date: [June 10, 2019, 9:56pm UTC](https://discuss.elastic.co/t/setup-kibana-watcher-to-run-during-a-particular-window/185061/2 "2019-06-10T21:56:26Z")
Welcome! 🙂
Check out [https://crontab.guru/between-certain-hours](https://crontab.guru/between-certain-hours)
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### Author:  [@system](https://discuss.elastic.co/u/system)
#### Post date: [July 8, 2019, 9:56pm UTC](https://discuss.elastic.co/t/setup-kibana-watcher-to-run-during-a-particular-window/185061/3 "2019-07-08T21:56:29Z")
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