1. Click on the settings button in the top right hand corner of Whippy
2. Click on Locations in the left hand column
3. Click on Edit Location for whichever phone number you'd like to set business hours for
4. Click on the arrow next to Business Hours
5. Select your Time Zone from the drop down menu
6. Adjust your hours based on when you want your after hours and during business hours autoresponses to go out
Typically these hours will be the same as your operating hours