Refresh app on specific hour

Hello,

I have created an application and have one problem. How can I refresh data/cache on specific hour? For example on 2 am app will download data.

How can I do something like this?
Thanks, Bartek.

Try this: http://stackoverflow.com/questions/33111968/run-service-when-ionic-cordova-app-when-its-closed

Ok, I will try that. Thanks.