Vietnam to Kathmandu
-1h 15mVietnam
ICTSOURCEKathmandu
NPTGreen rows indicate typical business hours (9 AM - 5 PM)
ICT and NPT on the World Map
The map below highlights the ICT (Indochina Time) and NPT (Nepal Time) timezone regions across the globe.
ICT – Indochina Time
UTC+07:00Indochina Time (ICT) is the time zone for Vietnam, Thailand, Laos, and Cambodia, 7 hours ahead of UTC.
- •Bangkok is one of the most visited cities in the world.
- •ICT is 12 hours ahead of EST.
- •Thailand, Vietnam, and Cambodia all share ICT.
NPT – Nepal Time
UTC+05:45Nepal Time (NPT, UTC+05:45) is the time zone for Nepal — one of the few offsets in the world set on a 45-minute increment.
- •Nepal Time is UTC+05:45 — a 45-minute offset, not a whole or half hour.
- •The 45-minute offset was adopted in 1986 to match Kathmandu's solar time.
- •Nepal does not observe daylight saving time.
- •Nepal is 15 minutes ahead of India, despite sharing a long open border.
About Kathmandu
WikipediaKathmandu operates on Nepal Time (NPT), one of the world's unique UTC+5:45 timezones. This 15-minute offset from India makes Nepal time distinctive for global coordination.
Nepal Time (NPT) is one of only three timezones offset by 45 minutes (UTC+5:45).
Comparing Time Zones: Vietnam and Kathmandu
Vietnam runs on Indochina Time (ICT) at UTC+07:00. Kathmandu runs on Nepal Time (NPT) at UTC+05:45. That puts Vietnam 1 hour 15 minutes behind Kathmandu — a difference of -1h 15m at the current offsets.
In practice, when it is 9:00 AM in Vietnam it is 7:45 AM in Kathmandu. Midnight in Vietnam is 10:45 PM in Kathmandu. Neither zone observes daylight saving time, so the offset between them stays constant all year.
Vietnam to Kathmandu time conversion table
| Vietnam (ICT) | Kathmandu (NPT) | Day |
|---|---|---|
| 12:00 AM | 10:45 PM | previous day |
| 6:00 AM | 4:45 AM | same day |
| 7:00 AM | 5:45 AM | same day |
| 8:00 AM | 6:45 AM | same day |
| 9:00 AM | 7:45 AM | same day |
| 12:00 PM | 10:45 AM | same day |
| 3:00 PM | 1:45 PM | same day |
| 5:00 PM | 3:45 PM | same day |
| 6:00 PM | 4:45 PM | same day |
| 9:00 PM | 7:45 PM | same day |
Why people convert Vietnam to Kathmandu time
- Scheduling a call from Vietnam to Kathmandu: a 10:00 AM start in Vietnam lands at 8:45 AM in Kathmandu, so you can confirm the slot without doing the arithmetic yourself.
- Finding shared working hours: both Vietnam and Kathmandu are inside the 9-to-5 working day between 10:15 AM and 5:00 PM ICT time (9:00 AM–3:45 PM NPT). That is roughly 6 hours 45 minutes of usable overlap.
- Booking travel or deliveries: tracking Kathmandu local time against Vietnam keeps pickup windows and arrival estimates honest across the -1h 15m offset.
- Always state the zone abbreviation, not just the hour. "3:00 PM ICT" is unambiguous; "3 PM" across a -1h 15m gap is not.
- Block 10:15 AM–5:00 PM ICT as the recurring meeting window if you work primarily from Vietnam and need Kathmandu colleagues present.
About ICT (Indochina Time)
Indochina Time (ICT) is used across Southeast Asia including Vietnam, Thailand, Laos, and Cambodia. Indonesia (Western time, WIB) also uses UTC+07:00. ICT does not observe daylight saving time.
About NPT (Nepal Time)
Nepal Time (NPT) runs at UTC+05:45, one of only a handful of time zones worldwide that are not a whole or half hour from UTC. Nepal set its offset to 5 hours 45 minutes ahead of UTC in 1986 to mark the country's position between the 75°E and 90°E meridians; Kathmandu's solar time sits just over 5 hours 41 minutes ahead of Greenwich, so the 45-minute offset tracks the sun more closely than either 5:30 or 6:00 would. Nepal does not observe daylight saving time, so NPT is fixed all year. The offset makes Nepal 15 minutes ahead of India Standard Time (UTC+05:30) and 2 hours 15 minutes ahead of Dubai (UTC+04:00).
Best time to call between Vietnam and Kathmandu
Both Vietnam and Kathmandu sit inside the 9 AM – 5 PM working day between 10:15 AM–5:00 PM ICT, which is 9:00 AM–3:45 PM NPT. That gives roughly 6 hours and 45 minutes of shared time — the safest window for a live call or meeting.
Business hours overlap
Vietnam and Kathmandu share 6 hours of working-hours overlap (10:15 AM–5:00 PM ICT), so scheduling a live meeting is straightforward.
Vietnam is 1 hour 15 minutes behind Kathmandu (ICT UTC+07:00 → NPT UTC+05:45). The shared working window is 10:15 AM–5:00 PM ICT. Remember to re-check around daylight-saving transitions.
Learn More About Time
Dive deeper into the fascinating world of timekeeping, time zones, and how they shape our global society:
Frequently Asked Questions
What is the time difference between Vietnam and Kathmandu?
Vietnam (ICT, UTC+07:00) is 1 hour 15 minutes behind Kathmandu (NPT, UTC+05:45). The gap is currently -1h 15m.
How do I convert Vietnam time to Kathmandu time?
Add -1h 15m to Vietnam local time. For example, 9:00 AM in Vietnam is 7:45 AM in Kathmandu.
What time is it in Kathmandu right now?
Kathmandu uses NPT at UTC+05:45. Use the live converter at the top of this page — it updates in real time and already accounts for the -1h 15m offset from Vietnam.
What is the best time to call Kathmandu from Vietnam?
Call between 10:15 AM and 5:00 PM ICT — that maps to 9:00 AM–3:45 PM NPT and keeps both parties inside the working day.
Which is behind, Vietnam or Kathmandu?
Vietnam is 1 hour 15 minutes behind Kathmandu. When it is 12:00 PM in Vietnam it is 10:45 AM in Kathmandu.
Do Vietnam and Kathmandu use different time zones?
Vietnam (Vietnam) uses ICT at UTC+07:00, while Kathmandu (Nepal) uses NPT at UTC+05:45. The IANA identifiers are Asia/Ho_Chi_Minh and Asia/Kathmandu.
Does daylight saving time affect the Vietnam–Kathmandu difference?
Neither zone observes daylight saving time, so the -1h 15m offset between Vietnam and Kathmandu is fixed all year.
Which other cities share Vietnam's time zone?
ICT also covers Bangkok, Ho Chi Minh City, Hanoi, Jakarta, Phnom Penh, Vientiane.
Which countries use ICT, Vietnam's zone?
ICT is used in Thailand, Vietnam, Cambodia, Laos, Indonesia (WIB).
Is there a day difference between Vietnam and Kathmandu?
Not normally. The -1h 15m gap only pushes the date over the previous day.
What is the time difference between Vietnam and Kathmandu?
Kathmandu is -1h 15m from Vietnam.
What timezone is Vietnam in?
Vietnam operates on its local timezone.
What timezone is Kathmandu in?
Kathmandu operates on Nepal Time (NPT), one of the world's unique UTC+5:45 timezones. This 15-minute offset from India makes Nepal time distinctive for global coordination.
What are the business hours in Kathmandu?
Standard business hours in Kathmandu are 10:00 AM - 5:00 PM NPT.
Which countries use ICT (Indochina Time)?
ICT is used in Thailand, Vietnam, Cambodia, Laos, Indonesia (WIB).
Does ICT observe daylight saving time?
No, ICT does not observe daylight saving time and remains at UTC+07:00 year-round.
What are some interesting facts about ICT?
Bangkok is one of the most visited cities in the world. ICT is 12 hours ahead of EST.
Which cities are in the NPT timezone?
Major cities in the NPT timezone include Kathmandu, Pokhara, Lalitpur, Bharatpur, Biratnagar.
What is the UTC offset for NPT?
Nepal Time (NPT) is at UTC+05:45.
What should I know about the NPT timezone?
Nepal Time is UTC+05:45 — a 45-minute offset, not a whole or half hour. The 45-minute offset was adopted in 1986 to match Kathmandu's solar time.
When is it midnight in Vietnam, what time is it in Kathmandu?
When it is 12:00 AM (midnight) in Vietnam (ICT), it is -1h 15m later in Kathmandu (NPT).
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