Answer :
The only place 2.5 hours after GMT is Newfoundland Daylight Saving Time (NDT). It only applies from the second Sunday of March at 05:30 UTC until the first Sunday of November at 04:30 at UTC. The westernmost point in this area is 59.41 ° longitude, while the eastern region of the region is 52.62 ° longitude.
hope it helps!