Time zone · Asia
INDOCH
Indochina Time
Indochina Time (INDOCH) is a unified UTC+07:00 region that spans Thailand, Vietnam, Cambodia, and Laos — four Southeast Asian nations that keep synchronized clocks year-round without daylight saving shifts. Living in Indochina Time means tracking a single, steady offset ideal for cross-border trade, regional collaboration, and travel planning across one of Asia's fastest-growing economic corridors.
Sunday, May 31, 2026
Current offset
UTC+07:00
Standard · +07
Daylight saving
Not observed
Year-round standard time
IANA zones
4
None observe daylight saving
DST offset
—
No summer variant
About INDOCH
A fixed, year-round offset.
Indochina Time (INDOCH) is a unified UTC+07:00 region that spans Thailand, Vietnam, Cambodia, and Laos — four Southeast Asian nations that keep synchronized clocks year-round without daylight saving shifts. Living in Indochina Time means tracking a single, steady offset ideal for cross-border trade, regional collaboration, and travel planning across one of Asia's fastest-growing economic corridors.
IANA zones · the technical identifiers
The 4 zones that resolve to INDOCH.
For software, always store the IANA identifier — never the abbreviation alone. The database keeps these zones distinct because their rules can, and historically did, diverge.
Cities currently on INDOCH
The same hour, city by city.
5 cities · all UTC+07:00
Where INDOCH is used
4 countries.
Same offset · UTC+07:00
Other zones at UTC+07:00 right now.
These named zones share INDOCH's offset today. When daylight saving rules differ, they drift apart for part of the year.
Frequently asked questions
Common questions about INDOCH, daylight saving, and how to handle it in software. Can't find what you need? Email [email protected].
- Why does Indochina Time use UTC+07:00 without daylight saving?
- None of the four member countries observe daylight saving time, so the UTC+07:00 offset stays constant throughout the year. This simplifies scheduling for businesses and travelers moving between Thailand, Vietnam, Cambodia, and Laos.
- Which countries observe Indochina Time?
- Indochina Time covers Thailand (Asia/Bangkok), Vietnam (Asia/Ho_Chi_Minh), Cambodia (Asia/Phnom_Penh), and Laos (Asia/Vientiane). These four nations share the same UTC+07:00 standard time.
- What is the time zone abbreviation for Indochina Time?
- The abbreviation for this region is +07, reflecting its position at UTC+07:00 hours ahead of Coordinated Universal Time.
- Are there any daylight saving transitions in Indochina Time?
- No. All four member zones maintain a fixed UTC+07:00 offset year-round, meaning clocks never change and there are no forward or backward shifts to account for.
- How does Indochina Time help regional business coordination?
- Because Thailand, Vietnam, Cambodia, and Laos all operate on the same fixed offset without seasonal changes, companies can rely on consistent time differences when coordinating across borders — reducing errors in meeting scheduling, logistics, and financial settlement.
- Is Vietnam in the same time zone as Thailand?
- Yes, both Vietnam and Thailand, along with Cambodia and Laos, observe UTC+07:00 year-round, making Indochina one of the most time-consistent regions in Asia.
- Can I use Indochina Time for scheduling meetings between Bangkok and Ho Chi Minh City?
- Absolutely — both cities are in the same Indochina Time zone with UTC+07:00, so local times are identical and no offset conversion is needed between them.
- How does Indochina Time relate to other Southeast Asian time zones?
- Indochina's UTC+07:00 sits between Singapore/Philippines at UTC+08:00 to the east and Bangladesh/Myanmar-adjacent areas at UTC+06:30 — making it a useful reference midpoint for coordinating meetings across broader Southeast Asia.
- When was Indochina Time established as a fixed offset?
- All four countries in the Indochina region have maintained stable UTC+07:00 offsets for years without major changes, ensuring long-term predictability for travelers and businesses across the Mekong subregion.
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