The Alerts are according to atomic clocks and synchronised While using the worldwide program of clocks that assist Coordinated Universal Time. India's time zone relies over the eighty two.5°E meridian, which passes as a result of Mirzapur. The half-hour offset was preferred to keep the time near to the mean https://psttoist59591.wikikarts.com/2371483/the_gmt_to_ist_diaries