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GMT Full Form — Greenwich Mean Time

GMT full form is Greenwich Mean Time. The mean solar time at the Prime Meridian in Greenwich, London, used as reference. GMT is the basis for calculating time zones worldwide. India is GMT plus

TL;DR: GMT full form is Greenwich Mean Time. The mean solar time at the Prime Meridian in Greenwich, London, used as reference. GMT is the basis for calculat…

By Syllab.in · Updated Jun 17, 2026

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