You need to have an active Virtual Line subscription first. 

Kindly follow this link for subscribing it now: How do I subscribe for a Virtual Line

When you are inside the Virtual Line, select the Configure Scheduler on the second top bar.

  • Configure work days for the week and office hours. 
  • Select time zone on top right corner by clicking on GMT+08:00(Singapore)

  • Select Public Holidays tab.
  • To input company specific holidays, simple type "dd-mm" and press enter.
  • Do not forget to click Save Changes once done.

Please be noted that you can only configure the public holiday for the current year, can not for the following year.