1. Click on Conditions under Configuration left sidebar menu.
2. Click on the New Condition button on top right.
3. Select the "Use a Global Condition" from the Type pulldown menu
4. Give it a name, for example "2022 Public Holidays"
5. In the Condition pulldown menu, select the state that you reside in.
6. And then set the Destination when matches: to what you want the phone system to do, i.e. go to Voicemail or Just dial a mobile etc.
7. And set the Destination when NOT matches to your number Business Hours time condition.