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Lai Châu Province, Vietnam

Lai Châu Province follows UTC+7, or Indochina Time, without seasonal clock changes. Every locality in the province uses the same official hour, though sunrise visibility can differ greatly across its mountainous terrain.

Yen Thang, Vietnam

Monday, 2 November 2026

UTC+7 · Asia/Bangkok

Time and sun data for Yen Thang — the largest city of Lai Châu Province

The sun in Yen Thang

Sunrise 6:12 AM Solar noon 11:51 AM Sunset 5:30 PM Daylight 11 h 18 min Night 12 h 42 min Civil twilight 5:49 AM – 5:53 PM

Vietnam · 121 cities

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Current time in Lai Châu Province, Vietnam

One current-time reading applies province-wide. Lai Châu city, Tam Đường, Phong Thổ, Than Uyên, and more remote communities do not have independent local time standards. The provincial clock stays seven hours ahead of UTC. This constancy is helpful for domestic plans, but anyone coordinating internationally must still check whether the other location observes daylight saving time. Across Lai Châu Province, the peaks disagree about the horizon but never about the hour.

Clock time across the province

Civil time is set for practical coordination rather than by the moment the Sun reaches a particular position over each settlement. Places east or west of one another therefore show identical clock readings even though their solar events may occur at slightly different instants.

Time standard: Indochina Time. UTC relationship: seven hours ahead. Daylight-saving adjustment: none. Provincial time-zone divisions: none. When converting a late-evening or early-morning event, write down the complete date. A correct hour attached to the wrong day can still cause a missed call or connection.

Population centers and first light

Lai Châu city is the province’s main urban center and the most convenient general reference. Tam Đường, Than Uyên, Phong Thổ, and Mường Tè are other significant local centers. Although their civil time matches exactly, sunrise calculations should use the nearest point available.

The published sunrise marks an astronomical event based on a standard horizon. Actual first sight of the Sun depends on ridges, valleys, cloud, fog, trees, and buildings. In rugged country, two observers relatively near each other can experience direct sunlight at different moments.

Select the correct locality and travel date. Confirm that the result is expressed in local time. Consult dawn times if the start of natural light matters. Allow for topography before treating sunrise as a visibility promise.

Morning twilight begins before the formal sunrise. It may provide enough light for some activities, but local weather and terrain remain practical constraints. A solar table supplies timing information, not a guarantee of clear conditions.

Questions and answers

Does any part of Lai Châu Province use another time zone?
No. The entire province follows UTC+7.
Will the time difference from another country stay constant?
Only if that country also keeps a fixed offset. Its daylight-saving changes can alter the difference.
Is a province-wide sunrise time precise enough?
It is suitable only as a general guide. Use the nearest locality or exact coordinates when timing matters.
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