Not a problem. To update your availability:
- Go to Control panel > Edit profile > Availability or use this link https://app.getblend.com/profile#time
- Select your time zone.
- Mark your working days.
- To exclude specific hours, click on the day and select from the drop-down list:
- Click Save.
Note: during your unavailable hours, you will not be able to view new projects or receive project notifications.