The Signals are dependant on atomic clocks and synchronised Using the worldwide system of clocks that help Coordinated Universal Time. India's time zone is based around the eighty two.five°E meridian, which passes via Mirzapur. The half-hour offset was preferred to keep the time near to the suggest solar time across https://time-difference-calculato83346.wikigiogio.com/2476647/little_known_facts_about_ist_time