You can create and edit time zones on the Time Zones tab.

Create a new time zone as follows:

1. Click the  button.
2. Enter the time zone name and click Create.
   

The time zone will be displayed in the list on the right. To configure the time zone intervals, do the following:

1. Select a time zone from the list.
2. To add intervals, make sure that the  button is enabled, and select the required intervals on the graph.
   
   
3. To delete an interval, click the  button and select a time zone on the graph.
4. Click the  button to save the changes, click  to cancel.

Remove the time zones as follows:

1. Click the  button in the upper right corner of the time zone.
   
2. Select the required time zones to be removed.
3. Click the button in the upper right corner of the screen.
4. Confirm deletion.