The Alerts are based upon atomic clocks and synchronised With all the worldwide system of clocks that assist Coordinated Common Time. India's time zone is based to the 82.5°E meridian, which passes by Mirzapur. The 50 percent-hour offset was picked out to maintain the time close to the mean solar https://isttimecom30561.wikiannouncing.com/8552636/the_ultimate_guide_to_est_to_ist