how is standard time of a place determined
Answers
The latitudinal and the longitudinal extent of India is 30 degrees, From Gujarat to Arunachal Pradesh, there is a time difference of two hours so the Indian Standard Time of India has its time based on the Standard Meridian 82 degrees 30 minutes East. This has been done to avoid confusion in the country.
Greenwich Mean Time: The Greenwich Mean Time acts as the standard time for all the time zones in the world. It has a time difference of 0 and is located in Greenwich, England.
It is based on the distance of the Prime meridain.
The Prime meridian is an imaginary line.
For example,
Consider India and Brazil,
Time: 6 am in India and 9:30 in Brazil.
Time Difference:
India is 5 hours 30 minutes ahead of GMT.
Brazil is 3 hours behind GMT.
Brazil is 8 hours and 30 minutes behind Indian Standard Time.
So, IF 6 am in India then its 9:30 pm in Brazil.
This is how the standard time of a place is determined.
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