Country Name City code Time Offset DST Period
(GMT = 0)
Guatemala City, GuatemalaGUA -6 No DST
Geneva, Switzerland GVA 1 From Last Sunday in March to Last
Sunday in October
Hamburg, Germany HAM 1 From Last Sunday in March to Last
Sunday in October
Hanoi, Vietnam HAN 7 No DST
Havana, Cuba HAV -5 From 1st Sunday in April to Last
Sunday in October
Ho Chi Minh City, HCM 7 No DST
Vietnam
Helsinki, Finland HEL 2 From Last Sunday in March to Last
Sunday in October
Hong Kong, China HKG 8 No DST
Honolulu HI, USA HNL -10 No DST
Houston TX, USA HOU -6 From 1st Sunday in April to Last
Sunday in October
Indianapolis, IN, USA IND -5 No DST
Istanbul, Turkey IST 2 From Last Sunday in March to Last
Sunday in October
Jakarta, Indonesia JKT 7 No DST
Johannesburg, JNB 2 No DST
South Africa
World City Abbreviations Reference Table