Vietnam and Thailand Time Zones
Indochina Time UTC+7, no DST, ASEAN manufacturing and travel.
Vietnam (**Asia/Ho_Chi_Minh**) and Thailand (**Asia/Bangkok**) share **UTC+7** Indochina Time (ICT) with **no DST**. Cambodia and Laos typically match. One hour ahead of China Time Zone: Beijing Time Nationwide (UTC+8); 1.5 hours ahead of India Time Zone (IST) Explained (UTC+5:30)—supply chains should name both cities.
Main IANA zones
- Asia/Ho_Chi_Minh — Vietnam (UTC+7)
- Asia/Bangkok — Thailand (UTC+7)
- Asia/Phnom_Penh — Cambodia (UTC+7)
- Asia/Vientiane — Laos (UTC+7)
Business and travel
- Bangkok and Ho Chi Minh City: same offset
- China factories: Vietnam is 1 hour behind
- Regional: Southeast Asia Time Zones, Indonesia's Three Time Zones
- Flights: use airport IANA zone
Tool: Convert; IANA: What Is the IANA Time Zone Database.