In Google Analytics, you can analyse data based on time of day. The time of day is based on the time zone you have specified when you set-up. What if you have customers that span across different time zone?
If their lunch break is the middle of the night for you, Google Analytics will not reflect that. This can have an impact on how you structure your content or create your CTAs.
You can build a custom report in Google Analytics to measure traffic at local time