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Dong Thap, Vietnam

Dong Thap follows Indochina Time, seven hours ahead of UTC throughout the year. The province does not observe daylight saving time, so its clocks remain aligned with the rest of Vietnam in every season.

Sa Dec, Vietnam

Saturday, 5 September 2026

UTC+7 · Asia/Ho_Chi_Minh

Time and sun data for Sa Dec — the largest city of Dong Thap

The sun in Sa Dec

Sunrise 5:49 AM Solar noon 11:57 AM Sunset 6:06 PM Daylight 12 h 17 min Night 11 h 43 min Civil twilight 5:28 AM – 6:27 PM

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Current time in Dong Thap, Vietnam

The displayed local time applies across Dong Thap, from its principal urban centers to rural communities beside the Mekong waterways. Because Vietnam uses one national time zone, crossing into a neighboring province does not require changing a watch or adjusting a phone.

Indochina Time is written as ICT or UTC+7. When it is noon in Dong Thap, Coordinated Universal Time is 05:00. This fixed relationship makes international conversions predictable: calculate the UTC time first, then add seven hours and check whether the calendar date changes.

In Dong Thap, a river crossing may alter the scenery, but it will not alter the time on your clock.

Largest cities and urban centers

Cao Lanh, Sa Dec, and My Tho are among the province’s important urban centers under the present administrative map. Older references may describe a smaller Dong Thap and place My Tho in Tien Giang; Vietnam’s provincial reorganization brought those former territories together under the Dong Thap name.

For practical timekeeping, the administrative history makes no difference. Cao Lanh, Sa Dec, My Tho, Hong Ngu, Go Cong, and communities between them all use ICT. Local names still matter when checking a weather forecast, arranging transport, or choosing the correct sunrise listing.

Cao Lanh is a major administrative and commercial center. My Tho is a prominent city on the Tien River. Sa Dec is a well-known urban and trading center farther west. Hong Ngu and Go Cong identify other significant local areas.

Sunrise and planning the day

Sunrise in Dong Thap changes gradually through the year and also varies by location. A listing calculated for My Tho will not be identical to one for Hong Ngu because the two places have different longitudes. The difference is generally more relevant to precise observation than to an ordinary morning schedule.

Use the date and nearest locality when you need an exact sunrise. This is especially useful for photography, river travel, outdoor work, or an early departure. Sunrise is not the same as first light: civil twilight begins before the Sun appears above an unobstructed horizon.

Cloud, mist, buildings, trees, and riverbanks can delay the moment when the Sun becomes visible to a person on the ground. An astronomical table describes the Sun’s calculated position rather than promising a clear view. Sunset should likewise be checked separately instead of inferred from sunrise.

Questions and answers
What time zone is Dong Thap in?
Dong Thap uses Indochina Time, abbreviated ICT, with an offset of UTC+7.
Does Dong Thap change its clocks seasonally?
No. Daylight saving time is not observed, so the UTC offset remains fixed.
Which place should I use for a sunrise lookup?
Choose the nearest named locality, such as Cao Lanh, My Tho, or Sa Dec, and enter the date you need.

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