The Indicators are based on atomic clocks and synchronised with the worldwide method of clocks that support Coordinated Universal Time. India's time zone is based to the 82.5°E meridian, which passes by way of Mirzapur. The fifty percent-hour offset was preferred to keep the time near to the mean solar https://istworldclock61972.wikilima.com/2344793/detailed_notes_on_utc_to_ist