The Signals are based on atomic clocks and synchronised Together with the worldwide technique of clocks that assistance Coordinated Universal Time. India's time zone is based on the 82.five°E meridian, which passes through Mirzapur. The 50 %-hour offset was picked to keep the time near to the mean solar time https://current-time-in-india35178.mysticwiki.com/2418562/5_tips_about_time_difference_calculator_you_can_use_today