The West Three time zone(UTC+3/GMT+3) is 3 hours ahead of Greenwich Mean Time (GMT) or Coordinated Universal Time (UTC).
It is observed in the ART, BRT, FKST, GFT, PMST, ROTT, SRT, UYT, WGST during standard time, and in the ADT, AMST, CLST, PYST during the other months (Daylight saving time).