Add Quatre Bornes (Mauritius) to your list and use my-locations table to visually convert it's time to another timezone or city time.
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Current time zone for Quatre Bornes (Mauritius) is Indian/Mauritius, whose offset is GMT+4 from Greenwich Mean Time (GMT).

The IANA timezone identifier for Quatre Bornes, Mauritius is "Indian/Mauritius"

It currently does not observe Daylight Savings Time.