NZST to Vietnam
-5hNZST
NZSTSOURCEVietnam
ICTGreen rows indicate typical business hours (9 AM - 5 PM)
NZST and ICT on the World Map
The map below highlights the NZST (New Zealand Standard Time) and ICT (Indochina Time) timezone regions across the globe.
NZST – New Zealand Standard Time
UTC+12:00New Zealand Standard Time (NZST) is the time zone for New Zealand, 12 hours ahead of UTC.
- •New Zealand is among the first major countries to see a new day.
- •NZST is 17 hours ahead of EST.
- •New Zealand observes DST from September to April (Southern Hemisphere summer).
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.
Everything You Need to Know About NZST and Vietnam Time
NZST runs on New Zealand Standard Time (NZST) at UTC+12:00. Vietnam runs on Indochina Time (ICT) at UTC+07:00. That puts NZST 5 hours behind Vietnam — a difference of -5h at the current offsets.
In practice, when it is 9:00 AM in NZST it is 4:00 AM in Vietnam. Midnight in NZST is 7:00 PM in Vietnam. Neither zone observes daylight saving time, so the offset between them stays constant all year.
NZST to Vietnam time conversion table
| NZST (NZST) | Vietnam (ICT) | Day |
|---|---|---|
| 12:00 AM | 7:00 PM | previous day |
| 6:00 AM | 1:00 AM | same day |
| 7:00 AM | 2:00 AM | same day |
| 8:00 AM | 3:00 AM | same day |
| 9:00 AM | 4:00 AM | same day |
| 12:00 PM | 7:00 AM | same day |
| 3:00 PM | 10:00 AM | same day |
| 5:00 PM | 12:00 PM | same day |
| 6:00 PM | 1:00 PM | same day |
| 9:00 PM | 4:00 PM | same day |
Why people convert NZST to Vietnam time
- Scheduling a call from NZST to Vietnam: a 10:00 AM start in NZST lands at 5:00 AM in Vietnam, so you can confirm the slot without doing the arithmetic yourself.
- Finding shared working hours: both NZST and Vietnam are inside the 9-to-5 working day between 2:00 PM and 5:00 PM NZST time (9:00 AM–12:00 PM ICT). That is roughly 3 hours of usable overlap.
- Watching a live event or market open: NZST viewers need 4:00 AM in Vietnam to catch a 9:00 AM start there, and 5:00 AM if the event is anchored to NZST.
- Always state the zone abbreviation, not just the hour. "3:00 PM NZST" is unambiguous; "3 PM" across a -5h gap is not.
- Block 2:00 PM–5:00 PM NZST as the recurring meeting window if you work primarily from NZST and need Vietnam colleagues present.
About NZST (New Zealand Standard Time)
New Zealand Standard Time (NZST) is the standard time zone for New Zealand and its dependencies. New Zealand is among the first countries to see a new calendar day. During summer (September to April), clocks advance to New Zealand Daylight Time (NZDT, UTC+13:00).
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.
Best time to call between NZST and Vietnam
Both NZST and Vietnam sit inside the 9 AM – 5 PM working day between 2:00 PM–5:00 PM NZST, which is 9:00 AM–12:00 PM ICT. That gives roughly 3 hours of shared time — the safest window for a live call or meeting.
Business hours overlap
NZST and Vietnam overlap for about 3 hours during the working day — enough for meetings if you avoid the edges of the window.
NZST is 5 hours behind Vietnam (NZST UTC+12:00 → ICT UTC+07:00). The shared working window is 2:00 PM–5:00 PM NZST. Remember to re-check around daylight-saving transitions.
🕐 Daylight Saving Time Info
NZST
☀ Currently in DST
Standard: UTC+12:00 · DST: UTC+13:00
Clocks fall back on Sat, Apr 3, 2027
Vietnam
Does not observe DST
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 NZST and Vietnam?
NZST (NZST, UTC+12:00) is 5 hours behind Vietnam (ICT, UTC+07:00). The gap is currently -5h.
How do I convert NZST time to Vietnam time?
Add -5h to NZST local time. For example, 9:00 AM in NZST is 4:00 AM in Vietnam.
What time is it in Vietnam right now?
Vietnam uses ICT at UTC+07:00. Use the live converter at the top of this page — it updates in real time and already accounts for the -5h offset from NZST.
What is the best time to call Vietnam from NZST?
Call between 2:00 PM and 5:00 PM NZST — that maps to 9:00 AM–12:00 PM ICT and keeps both parties inside the working day.
Which is behind, NZST or Vietnam?
NZST is 5 hours behind Vietnam. When it is 12:00 PM in NZST it is 7:00 AM in Vietnam.
Do NZST and Vietnam use different time zones?
NZST uses NZST at UTC+12:00, while Vietnam (Vietnam) uses ICT at UTC+07:00. The IANA identifiers are Pacific/Auckland and Asia/Ho_Chi_Minh.
Does daylight saving time affect the NZST–Vietnam difference?
Neither zone observes daylight saving time, so the -5h offset between NZST and Vietnam is fixed all year.
Which other cities share NZST's time zone?
NZST also covers Auckland, Wellington, Christchurch, Hamilton, Dunedin.
Which countries use NZST, NZST's zone?
NZST is used in New Zealand.
Is there a day difference between NZST and Vietnam?
Not normally. The -5h gap only pushes the date over the previous day.
What is the time difference between NZST and Vietnam?
Vietnam is -5h from NZST.
What timezone is NZST in?
NZST operates on its local timezone.
What timezone is Vietnam in?
Vietnam operates on its local timezone.
Which countries use NZST (New Zealand Standard Time)?
NZST is used in New Zealand.
Does NZST observe daylight saving time?
Yes, NZST switches to NZDT during summer months.
What are some interesting facts about NZST?
New Zealand is among the first major countries to see a new day. NZST is 17 hours ahead of EST.
Which cities are in the ICT timezone?
Major cities in the ICT timezone include Bangkok, Ho Chi Minh City, Hanoi, Jakarta, Phnom Penh, Vientiane.
What is the UTC offset for ICT?
Indochina Time (ICT) is at UTC+07:00.
What should I know about the ICT timezone?
Bangkok is one of the most visited cities in the world. ICT is 12 hours ahead of EST.
When is it midnight in NZST, what time is it in Vietnam?
When it is 12:00 AM (midnight) in NZST (NZST), it is -5h later in Vietnam (ICT).
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See every conversion from NZST →·See every conversion from Vietnam →