Blitzortung Lightning "Time"

We are now in our monsoon season in the Southwest US.
The Blitzortung app works great and the automation’s work great as well.
Question is on the time. In the setup it asks for a time period.
If I set it to 60 minutes when does the timer start it’s count? At the beginning of every hour.
I have tried to track it but can not seem to narrow it down.