Dayparting targeting allows you to focus your ad performance on certain times during the day.

Aside from separate hours and/or days, you can target working hours (9 AM - 5 PM Monday - Friday) and weekend hours (12 AM - 11.59 PM Saturday - Sunday)

When you target the weekly times and days during which the line item should be run, the line item timezone is applied. You can change the timezone in the line item configuration settings.

Please use Day, Time of Day and Day & Hour reporting keys to analyze performance in u-Slicer.