Add Yei (South Sudan) to your list and use my-locations table to visually convert it's time to another timezone or city time.
Mouse over the colored hour-tiles and glance at the hours selected by the column.

Current time zone for Yei (South Sudan) is CAT, whose offset is GMT+2 from Greenwich Mean Time (GMT).

The IANA timezone identifier for Yei, South Sudan is "Africa/Juba"

It currently does not observe Daylight Savings Time.