Hai Phong
What time is it in Vietnam
About Hai Phong
Haiphong is the third largest city in Vietnam, with an area of about 3,194 square kilometres. It includes the islands of Bạch Long Vĩ and Cát Bà in the Gulf of Tonkin. The population was 4,664,124 in 2025. Haiphong was the first city in both Vietnam and mainland Southeast Asia to have electric power. The offset in Haiphong is UTC+7 in every month, since there is no daylight saving. Haiphong is 12 hours ahead of New York in January and 11 hours ahead in July.
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Frequently Asked Questions
Does Haiphong change its clocks?+
No. Haiphong is on UTC+7 all year, so there is no change in spring or autumn and January and July use the same offset.
What is the time gap between Haiphong and New York?+
Haiphong is 12 hours ahead of New York in January and 11 hours ahead in July. New York moves to UTC-4 in summer, which narrows the gap by an hour.
How many people live in Haiphong?+
Haiphong had a population of 4,664,124 in 2025, and it is the third-largest city in Vietnam. Its area is 3,194.72 km2.
Which islands belong to Haiphong?+
Haiphong includes Bạch Long Vĩ and Cát Bà, two islands in the Gulf of Tonkin, within its administrative area.
What is Haiphong's claim to a first in electrification?+
Haiphong holds the distinction of being the first city in both Vietnam and Mainland Southeast Asia to be electrified.