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Cao Bằng Province, Vietnam

Cao Bằng Province follows Indochina Time, UTC+7. The same civil time applies in its cities, towns, rural districts, and mountain communities, matching the clock used throughout Vietnam.

Tỉ Đính, Vietnam

Monday, 2 November 2026

UTC+7 · Asia/Bangkok

Time and sun data for Tỉ Đính — the largest city of Cao Bằng Province

The sun in Tỉ Đính

Sunrise 5:59 AM Solar noon 11:38 AM Sunset 5:17 PM Daylight 11 h 17 min Night 12 h 43 min Civil twilight 5:36 AM – 5:40 PM

Vietnam · 129 cities

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Current time in Cao Bằng Province, Vietnam

Cao Bằng Province follows Indochina Time, UTC+7. The same civil time applies in its cities, towns, rural districts, and mountain communities, matching the clock used throughout Vietnam. No internal time-zone boundary needs to be considered when crossing the province. A journey from the provincial centre toward a border district or rural settlement remains on the same clock, even when terrain makes the trip lengthy.

Vietnam does not normally apply a seasonal daylight-saving adjustment. For overseas calls, however, the time difference may change if the other participant’s location moves its clocks during the year.

In Cao Bằng, the road may take longer than the map suggests; at least the time zone offers no surprise.

Places across Cao Bằng

Cao Bằng city serves as the province’s principal urban centre and a common reference for transport and services. Other populated centres are distributed among mountainous districts, including areas around Trung Khánh, Hòa An, Quảng Hòa, and Hà Quảng.

A list of “largest cities” can be misleading here because many important local centres are towns or district seats rather than large cities. Administrative labels and boundaries can also be revised. For practical use, identify the exact settlement and district instead of relying on a ranking.

Cao Bằng city is the clearest urban reference point. District centres may be important transport or service hubs. Names should be matched with accents and map coordinates where possible. Every location in the province uses UTC+7.

Travel planning should separate geography from timekeeping. A remote destination may require an early departure, but it does not require resetting a device. If a booking displays another offset, confirm that the correct Cao Bằng in Vietnam was selected.

Daybreak across the province

Sunrise varies by date and by position within Cao Bằng Province. The difference between nearby places is usually less important than the effect of local terrain, because mountains can obstruct the eastern horizon.

An astronomical table assumes a defined horizon. An observer in a valley may see the sky brighten during twilight yet wait longer for direct sunlight. From an open, elevated viewpoint, the experience can be different even on the same morning.

Choose the intended location rather than a province-wide default. Verify that the date is interpreted in UTC+7. Check civil twilight if usable light matters more than the solar disc. Allow for fog, cloud, vegetation, and surrounding ridges.

For a routine schedule, the provincial capital’s sunrise value can serve as a broad guide. For fieldwork, a trek, or a planned photograph, coordinates and terrain are more appropriate. The clock itself stays unchanged while the Sun’s apparent schedule moves through the seasons.

Questions and answers

Is all of Cao Bằng Province in one time zone?
Yes. The entire province follows Vietnam’s national UTC+7 time.
Does the province change clocks in summer?
No seasonal daylight-saving change is normally observed.
Can one sunrise time represent the whole province?
It can provide a general guide, but exact times and visible sunlight depend on location, terrain, and weather.
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