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Haiphong, Vietnam

Haiphong is on Vietnam’s fixed Indochina Time, seven hours ahead of UTC. It does not observe daylight saving time, so the local offset remains UTC+7 from the beginning of the year to the end.

Haiphong, Vietnam

Friday, 4 September 2026

UTC+7 · Asia/Ho_Chi_Minh

Time and sun data for Haiphong — the largest city of Haiphong

The sun in Haiphong

Sunrise 05:39 Solar noon 11:54 Sunset 18:09 Daylight 12 h 30 min Night 11 h 30 min Civil twilight 05:17 – 18:31

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Current time in Haiphong, Vietnam

“Haiphong” and “Hai Phong” are English spellings for the same municipality. Both lead to the same local clock. The one-word form remains familiar in international writing, while the spaced form more closely reflects the modern romanized Vietnamese name.

The municipality follows a single time from its port districts to Hai Duong and the islands. Converting from local time to UTC means moving the clock back seven hours. Remember that this may also move the date to the previous day. Haiphong may be written in one word or two; punctuality still means arriving at one time.

A port city with a wider urban region

The principal urban area is the historic port city of Hai Phong. The current municipality also includes Hai Duong, a substantial inland urban center, following the reorganization of provincial boundaries. Cat Ba, Thuy Nguyen, and Kinh Mon are other practical geographic references.

Someone comparing new and old maps may find apparently contradictory address labels. The likely reason is their publication date: earlier material treats Hai Duong as a province outside Hai Phong. For booking or administration, confirm the current address; for clock conversion, every location concerned uses UTC+7.

Search “Hai Phong” for the standard modern English spelling. Use “Haiphong” when matching a source that adopts the compact form. Specify Hai Duong for an inland destination. Specify Cat Ba when the location is on the island.

Choosing a local sunrise result

A sunrise value for central Haiphong is not a perfect substitute for Hai Duong or Cat Ba. Longitude changes the calculated time, while terrain and the visible horizon affect when an observer actually sees the Sun. Select coordinates near the intended viewing point whenever possible.

Dates cannot be omitted from an accurate lookup. Sunrise moves gradually through the calendar even though the civil-time offset stays unchanged. This distinction explains why a fixed time zone does not imply a fixed hour of sunrise.

An unobstructed coast may provide a different experience from a street enclosed by buildings. Cloud and haze can remove the visible solar disc entirely. For boating or a ferry connection, treat the astronomical listing as one planning input alongside weather, tide, and the operator’s current schedule.

Questions and answers

Are Haiphong and Hai Phong the same city?
Yes. They are alternate English renderings of the same Vietnamese name.
Does Haiphong ever switch to UTC+8?
No. It remains on UTC+7 and does not use daylight saving time.
Can I use the city-center sunrise for Cat Ba?
It may serve as a rough guide, but a Cat Ba-specific calculation is more accurate.
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