Ratchaburi runs on UTC+7 every day of the year, with no daylight saving time.
Ratchaburi and your time
Ratchaburi at a glance
| Country | Thailand |
|---|---|
| Region | Ratchaburi |
| Time zone | Asia/Bangkok |
| UTC offset now | UTC+7 |
| Daylight saving time | Not observed |
| Coordinates | 13.54° N, 99.82° E |
Ratchaburi time zone and clock changes
The clocks in Ratchaburi follow Asia/Bangkok and keep UTC+7 through every season. No daylight saving time has been recorded here since 1970.
All of Thailand keeps the same time, so Ratchaburi reads the same clock as Bangkok.
Clock changes in Ratchaburi, 2026 and 2027
No clock changes are scheduled in Ratchaburi for 2026 or 2027.
Time difference between Ratchaburi and other cities
A 9:00 AM start in Ratchaburi is 9:00 PM (previous day) in New York, 1:00 PM in Sydney and 6:00 PM (previous day) in Los Angeles.
| City | Time now | Difference now | In January | In July | Shared office hours |
|---|---|---|---|---|---|
| New York (United States) | --:-- | 12 h behind | 12 h behind | 11 h behind | None |
| Los Angeles (United States) | --:-- | 15 h behind | 15 h behind | 14 h behind | None |
| London (United Kingdom) | --:-- | 7 h behind | 7 h behind | 6 h behind | 1 h |
| Paris (France) | --:-- | 6 h behind | 6 h behind | 5 h behind | 2 h |
| Dubai (United Arab Emirates) | --:-- | 3 h behind | 3 h behind | 3 h behind | 5 h |
| Mumbai (India) | --:-- | 1 h 30 min behind | 1 h 30 min behind | 1 h 30 min behind | 6 h 30 min |
| Singapore | --:-- | 1 h ahead | 1 h ahead | 1 h ahead | 7 h |
| Tokyo (Japan) | --:-- | 2 h ahead | 2 h ahead | 2 h ahead | 6 h |
| Sydney (Australia) | --:-- | 4 h ahead | 4 h ahead | 3 h ahead | 4 h |
| UTC | --:-- | 7 h behind | 7 h behind | 7 h behind | 1 h |
Because Ratchaburi keeps one offset all year, any change in the gap comes from the other city’s daylight saving time. Compare the January and July columns.
Shared office hours counts the time when the clock reads between 9 AM and 5 PM in both cities on the same day.
Sunrise, sunset and day length in Ratchaburi
Today
| Sunrise | --:-- |
|---|---|
| Sunset | --:-- |
| Day length | -- |
| Solar noon | --:-- |
Being in the tropics, Ratchaburi sees little change in day length: the longest day (12 hours 56 minutes) is only 1 hour 36 minutes longer than the shortest (11 hours 20 minutes). Sunrise stays between 5:52 AM and 6:48 AM all year.
Daylight through the year in Ratchaburi
| Date | Sunrise | Sunset | Day length | |
|---|---|---|---|---|
| March equinox | March 20 | 6:25 AM | 6:32 PM | 12 h 6 min |
| June solstice | June 21 | 5:55 AM | 6:50 PM | 12 h 56 min |
| September equinox | September 23 | 6:10 AM | 6:16 PM | 12 h 7 min |
| December solstice | December 22 | 6:39 AM | 5:59 PM | 11 h 20 min |
Clock time and sun time in Ratchaburi
Clock time and sun time line up fairly well in Ratchaburi: solar noon falls at about 12:20 PM on standard time.
Cities near Ratchaburi
All the places listed below keep the same time as Ratchaburi.
| City | Distance | Time now | Difference |
|---|---|---|---|
| Ban I Chang | 21 km (13 mi) | --:-- | Same time |
| Samut Songkhram | 24 km (15 mi) | --:-- | Same time |
| Ban Pong | 32 km (20 mi) | --:-- | Same time |
| Nakhon Pathom | 40 km (25 mi) | --:-- | Same time |
| Tha Maka | 41 km (25 mi) | --:-- | Same time |
| Phetchaburi | 49 km (31 mi) | --:-- | Same time |
| Samut Sakhon | 49 km (31 mi) | --:-- | Same time |
| Krathum Baen | 50 km (31 mi) | --:-- | Same time |
More cities in Thailand
- Bangkok
- Samut Prakan
- Chon Buri
- Hat Yai
- Si Racha
- Lampang
- Surat Thani
- Udon Thani
- Chiang Mai
- Nakhon Ratchasima
- Hua Hin
- Ubon Ratchathani
All time zones and cities in Thailand
Plan around the time in Ratchaburi
- Convert a time to or from Ratchaburi: pick a date and time and see it in every city on your list.
- Add Ratchaburi to your world clock to keep it next to your own time.
- Find a meeting time that falls inside office hours in Ratchaburi and the other cities you work with.
- Open a full-screen clock for your own time zone.
Frequently asked questions
What time zone is Ratchaburi in?
Ratchaburi uses the Asia/Bangkok time zone, which is UTC+7 all year.
Does Ratchaburi use daylight saving time?
No. Ratchaburi stays on UTC+7 all year, so the time difference to places without daylight saving time never changes.
What is the time difference between Ratchaburi and New York?
Ratchaburi is 12 hours ahead of New York in January and 11 hours ahead of New York in July, because New York moves its clocks for daylight saving time and Ratchaburi does not.
Is Ratchaburi on the same time as Bangkok?
Yes. Ratchaburi and Bangkok both use UTC+7 right now.
How long is the longest day in Ratchaburi?
About 12 hours 56 minutes, around the June solstice. The shortest day, around the December solstice, has about 11 hours 20 minutes of daylight.
Time zone rules: IANA tz database, version 2026e. Place names and coordinates: GeoNames. Sunrise and sunset are calculated from the coordinates and can differ by a minute or two from local almanacs.