HNA time zone is Heure Normale de l'Atlantique
Atlantic Standard Time
Similar to HNA
HST - HANDY Standard Time
IAT - International Atomic Time
proper abbreviation; TAI
IDL - International Date Line
IST - Irish Summer Time [UTC - 0000]
IST - Indian Standard Time
IST - Israel Standard Time
IT - Iran Time [UTC + 0300]
View all in Time Zones