Vietnam to NZDT
+6hVietnam
ICTSOURCENZDT
NZDTGreen rows indicate typical business hours (9 AM - 5 PM)
ICT and NZDT on the World Map
The map below highlights the ICT (Indochina Time) and NZDT (New Zealand Daylight 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.
NZDT – New Zealand Daylight Time
UTC+13:00New Zealand Daylight Time (NZDT, UTC+13:00) is New Zealand's summer time zone, one of the earliest offsets in the world.
- •NZDT runs from the last Sunday in September to the first Sunday in April.
- •NZDT is UTC+13:00 — one of the earliest time offsets used anywhere.
- •New Zealand changes its clocks two to three weeks before Australia.
- •The Chatham Islands observe UTC+13:45 during their summer time.
Time Conversion Guide: Vietnam to NZDT
Vietnam runs on Indochina Time (ICT) at UTC+07:00. NZDT runs on New Zealand Daylight Time (NZDT) at UTC+13:00. That puts Vietnam 6 hours ahead of NZDT — a difference of +6h at the current offsets.
In practice, when it is 9:00 AM in Vietnam it is 3:00 PM in NZDT. Midnight in Vietnam is 6:00 AM in NZDT. Neither zone observes daylight saving time, so the offset between them stays constant all year.
Vietnam to NZDT time conversion table
| Vietnam (ICT) | NZDT (NZDT) | Day |
|---|---|---|
| 12:00 AM | 6:00 AM | same day |
| 6:00 AM | 12:00 PM | same day |
| 7:00 AM | 1:00 PM | same day |
| 8:00 AM | 2:00 PM | same day |
| 9:00 AM | 3:00 PM | same day |
| 12:00 PM | 6:00 PM | same day |
| 3:00 PM | 9:00 PM | same day |
| 5:00 PM | 11:00 PM | same day |
| 6:00 PM | 12:00 AM | next day |
| 9:00 PM | 3:00 AM | next day |
Why people convert Vietnam to NZDT time
- Scheduling a call from Vietnam to NZDT: a 10:00 AM start in Vietnam lands at 4:00 PM in NZDT, so you can confirm the slot without doing the arithmetic yourself.
- Finding shared working hours: both Vietnam and NZDT are inside the 9-to-5 working day between 9:00 AM and 11:00 AM ICT time (3:00 PM–5:00 PM NZDT). That is roughly 2 hours of usable overlap.
- Watching a live event or market open: Vietnam viewers need 3:00 PM in NZDT to catch a 9:00 AM start there, and 6:00 PM if the event is anchored to Vietnam.
- Always state the zone abbreviation, not just the hour. "3:00 PM ICT" is unambiguous; "3 PM" across a +6h gap is not.
- Block 9:00 AM–11:00 AM ICT as the recurring meeting window if you work primarily from Vietnam and need NZDT 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 NZDT (New Zealand Daylight Time)
New Zealand Daylight Time (NZDT) is the summer time zone for New Zealand, one hour ahead of New Zealand Standard Time (NZST, UTC+12:00). It runs from the last Sunday in September to the first Sunday in April, so New Zealand shifts a week or two earlier in spring than Australia. At UTC+13:00, NZDT is among the earliest offsets in the world — only Samoa, Tonga and parts of Kiribati run further ahead at certain times of year. Auckland and Wellington are 13 hours ahead of UTC during NZDT, 12 hours ahead of Sydney, and 18 hours ahead of New York. The Chatham Islands, 45 minutes further east, move to UTC+13:45.
Best time to call between Vietnam and NZDT
Both Vietnam and NZDT sit inside the 9 AM – 5 PM working day between 9:00 AM–11:00 AM ICT, which is 3:00 PM–5:00 PM NZDT. That gives roughly 2 hours of shared time — the safest window for a live call or meeting.
Business hours overlap
Vietnam and NZDT overlap for about 2 hours during the working day — enough for meetings if you avoid the edges of the window.
Vietnam is 6 hours ahead of NZDT (ICT UTC+07:00 → NZDT UTC+13:00). The shared working window is 9:00 AM–11:00 AM ICT. Remember to re-check around daylight-saving transitions.
🕐 Daylight Saving Time Info
Vietnam
Does not observe DST
NZDT
☀ Currently in DST
Standard: UTC+12:00 · DST: UTC+13:00
Clocks fall back on Sat, Apr 3, 2027
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 NZDT?
Vietnam (ICT, UTC+07:00) is 6 hours ahead of NZDT (NZDT, UTC+13:00). The gap is currently +6h.
How do I convert Vietnam time to NZDT time?
Add +6h to Vietnam local time. For example, 9:00 AM in Vietnam is 3:00 PM in NZDT.
What time is it in NZDT right now?
NZDT uses NZDT at UTC+13:00. Use the live converter at the top of this page — it updates in real time and already accounts for the +6h offset from Vietnam.
What is the best time to call NZDT from Vietnam?
Call between 9:00 AM and 11:00 AM ICT — that maps to 3:00 PM–5:00 PM NZDT and keeps both parties inside the working day.
Which is ahead, Vietnam or NZDT?
Vietnam is 6 hours ahead of NZDT. When it is 12:00 PM in Vietnam it is 6:00 PM in NZDT.
Do Vietnam and NZDT use different time zones?
Vietnam (Vietnam) uses ICT at UTC+07:00, while NZDT uses NZDT at UTC+13:00. The IANA identifiers are Asia/Ho_Chi_Minh and Pacific/Auckland.
Does daylight saving time affect the Vietnam–NZDT difference?
Neither zone observes daylight saving time, so the +6h offset between Vietnam and NZDT 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 NZDT?
Not normally. The +6h gap only pushes the date over for late-evening times.
What is the time difference between Vietnam and NZDT?
NZDT is +6h from Vietnam.
What timezone is Vietnam in?
Vietnam operates on its local timezone.
What timezone is NZDT in?
NZDT operates on its local timezone.
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 NZDT timezone?
Major cities in the NZDT timezone include Auckland, Wellington, Christchurch, Hamilton, Dunedin.
What is the UTC offset for NZDT?
New Zealand Daylight Time (NZDT) is at UTC+13:00. During daylight saving time, it shifts to NZDT.
What should I know about the NZDT timezone?
NZDT runs from the last Sunday in September to the first Sunday in April. NZDT is UTC+13:00 — one of the earliest time offsets used anywhere.
When is it midnight in Vietnam, what time is it in NZDT?
When it is 12:00 AM (midnight) in Vietnam (ICT), it is +6h later in NZDT (NZDT).
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