ADT - Atlantic Daylight Time Time zones difference, time zone converter
ADT is UTC-3 Hours. Atlantic Daylight Time is -3 hour behind of Coordinated Universal Time (UTC). ADT timezone is observed in North America. Therefore, to find the current time in this time zone one has to subtract 3 hour to the present time in Coordinate Universal Time.
ADT is -8.5 hour behind to Indian Standard Time-IST the local time zone and hence to convert the IST to CET subtract 8.5 hours from Indian Standard Time.