The Alerts are according to atomic clocks and synchronised Together with the worldwide procedure of clocks that assist Coordinated Universal Time. India's time zone is based to the 82.5°E meridian, which passes via Mirzapur. The fifty percent-hour offset was decided on to help keep the time close to the mean https://gunnerjjtcv.mybloglicious.com/61940640/new-step-by-step-map-for-indian-standard-time