IST - Indian Standard Time Time zones difference, time zone converter
IST is UTC+1 Hours. Indian Standard Time is 1 hour ahead of Coordinated Universal Time (UTC). IST timezone is observed in Asia. Therefore, to find the current time in this time zone one has to add 1 hour to the present time in Coordinate Universal Time.
IST is -4.5 hour behind to Indian Standard Time-IST the local time zone and hence to convert the IST to CET subtract 4.5 hours from Indian Standard Time.