The Alerts are depending on atomic clocks and synchronised Along with the worldwide program of clocks that assistance Coordinated Universal Time. India's time zone is based to the 82.5°E meridian, which passes via Mirzapur. The 50 %-hour offset was chosen to keep the time close to the necessarily mean photo https://india-standard-time89373.wikihearsay.com/4454783/helping_the_others_realize_the_advantages_of_current_ist_time