If a schedule is not running at the designated time, it may be because the Decora Smart Wi-Fi device has the incorrect time.
First try, Entering or Re-entering the Residence Address:
https://decorasmartsupport.zendesk.com/hc/en-us/articles/360017962454-Schedule-not-Running-Enter-or-Re-enter-Residence-Address
If it is still not working properly, it may be necessary to review the selected time zone.
In the My Leviton app, select the menu (≡) in the upper-right corner.
Select Residence Settings to edit the Residence.