Lesson 05-B: GMT and Time Zone Calculations | eLecturepk

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This video will cover what is GMT and how to calculate Time in different zones.

Earth surface is divided into 24 time zones due to difference of time which are located eastern and western sides of prime meridian or Greenwich line. After crossing 15 Longitudes in east of Greenwich one hour will be added in time and respectively, in west of Greenwich after crossing every 15 Longitudes one hour will be substrate from time and respectively.