Delayed Window Trigger

Is it possible to trigger a window without changing window-start and window-end dates? I have a lot of jobs run in window tumble (3H) and when they are all triggered at the same time, it causes performance problems. If somehow I can delay some of them 10-15 minutes , without changing the original

Delayed Window

Hi, Is it possible to delay a window trigger without changing window-end and window-start times? Thanks