Ratchaburi, Thailand
Ratchaburi keeps Indochina Time at UTC+7 throughout the year. The western Thai province shares Bangkok’s clock and does not make seasonal daylight-saving adjustments.
Ban I Chang, Thailand
Sunday, 6 September 2026
UTC+7 · Asia/Bangkok
Time and sun data for Ban I Chang — the largest city of Ratchaburi
The sun in Ban I Chang
Sunrise 6:10 AM Solar noon 12:20 PM Sunset 6:30 PM Daylight 12 h 20 min Night 11 h 40 min Civil twilight 5:49 AM – 6:52 PM
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- Ban Nai
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Current time in Ratchaburi, Thailand
The current time for Ratchaburi applies equally in the provincial capital, Ban Pong, Photharam, and rural districts. Moving east toward Bangkok or west within the province does not cross an official time boundary.
Add seven hours to UTC to determine Ratchaburi time. If the calculation reaches or passes midnight, update the date as well. That detail is important for transport tickets and international bookings that display several time standards.
The province’s relationship to UTC is constant. Differences from cities using daylight saving may change during their clock-transition periods, even though nothing changes locally. Ratchaburi is known for places with distinct characters; fortunately, none insists on its own time zone.
Ratchaburi’s principal urban centers
Ratchaburi town is the provincial administrative center. Ban Pong and Photharam are important towns farther north and east, forming part of the province’s well-connected settlement pattern. Useful urban references include:
Ratchaburi, the provincial capital. Ban Pong, a market town on the Mae Klong River. Photharam, another established northern town. Tha Pha, a municipality near Ban Pong. Damnoen Saduak, a district center in the eastern canal country.
All use precisely the same civil time. Select among them when a service needs a geographic point for weather or solar calculations, not because their clocks disagree.
Sunrise from plains to western hills
Ratchaburi extends from lower eastern terrain toward hillier country near the western side. A published sunrise is calculated for coordinates and an ideal horizon, so the observer’s surroundings can be as important as the province-wide time zone.
The capital’s entry is appropriate for general planning around Ratchaburi town. Ban Pong, Photharam, Damnoen Saduak, and western districts should use a closer point when scheduling field activity or seeking a particular quality of morning light.
Seasonal changes alter the time and direction of sunrise without changing UTC+7. Longitude creates small differences across the province, while hills, trees, buildings, mist, and cloud affect when direct sunlight is actually seen.
Dawn comes before sunrise. It supplies a transition from darkness to daylight, but its usefulness for driving, farming, or photography depends on the weather and the openness of the surrounding landscape.
Questions and answers
- Is Ratchaburi on Bangkok time?
- Yes. Both use UTC+7 all year.
- Does Ban Pong have its own time?
- No. Ban Pong follows the same official clock as the rest of Ratchaburi province.
- Do western hills change the published sunrise?
- They do not change the astronomical calculation, but they may delay the Sun’s first visible appearance.