NZDT to ICT
-6hNZDT
NZDTSOURCEICT
ICTGreen rows indicate typical business hours (9 AM - 5 PM)
NZDT and ICT on the World Map
The map below highlights the NZDT (New Zealand Daylight Time) and ICT (Indochina Time) timezone regions across the globe.
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.
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.
Understanding the -6h Gap: NZDT vs ICT
NZDT runs on New Zealand Daylight Time (NZDT) at UTC+13:00. ICT runs on Indochina Time (ICT) at UTC+07:00. That puts NZDT 6 hours behind ICT — a difference of -6h at the current offsets.
In practice, when it is 9:00 AM in NZDT it is 3:00 AM in ICT. Midnight in NZDT is 6:00 PM in ICT. Neither zone observes daylight saving time, so the offset between them stays constant all year.
NZDT to ICT time conversion table
| NZDT (NZDT) | ICT (ICT) | Day |
|---|---|---|
| 12:00 AM | 6:00 PM | previous day |
| 6:00 AM | 12:00 AM | same day |
| 7:00 AM | 1:00 AM | same day |
| 8:00 AM | 2:00 AM | same day |
| 9:00 AM | 3:00 AM | same day |
| 12:00 PM | 6:00 AM | same day |
| 3:00 PM | 9:00 AM | same day |
| 5:00 PM | 11:00 AM | same day |
| 6:00 PM | 12:00 PM | same day |
| 9:00 PM | 3:00 PM | same day |
Why people convert NZDT to ICT time
- Scheduling a call from NZDT to ICT: a 10:00 AM start in NZDT lands at 4:00 AM in ICT, so you can confirm the slot without doing the arithmetic yourself.
- Finding shared working hours: both NZDT and ICT are inside the 9-to-5 working day between 3:00 PM and 5:00 PM NZDT time (9:00 AM–11:00 AM ICT). That is roughly 2 hours of usable overlap.
- Booking travel or deliveries: tracking ICT local time against NZDT keeps pickup windows and arrival estimates honest across the -6h offset.
- Always state the zone abbreviation, not just the hour. "3:00 PM NZDT" is unambiguous; "3 PM" across a -6h gap is not.
- Block 3:00 PM–5:00 PM NZDT as the recurring meeting window if you work primarily from NZDT and need ICT colleagues present.
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.
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 NZDT and ICT
Both NZDT and ICT sit inside the 9 AM – 5 PM working day between 3:00 PM–5:00 PM NZDT, which is 9:00 AM–11:00 AM ICT. That gives roughly 2 hours of shared time — the safest window for a live call or meeting.
Business hours overlap
NZDT and ICT overlap for about 2 hours during the working day — enough for meetings if you avoid the edges of the window.
NZDT is 6 hours behind ICT (NZDT UTC+13:00 → ICT UTC+07:00). The shared working window is 3:00 PM–5:00 PM NZDT. Remember to re-check around daylight-saving transitions.
🕐 Daylight Saving Time Info
NZDT
☀ Currently in DST
Standard: UTC+12:00 · DST: UTC+13:00
Clocks fall back on Sat, Apr 3, 2027
ICT
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 NZDT and ICT?
NZDT (NZDT, UTC+13:00) is 6 hours behind ICT (ICT, UTC+07:00). The gap is currently -6h.
How do I convert NZDT time to ICT time?
Add -6h to NZDT local time. For example, 9:00 AM in NZDT is 3:00 AM in ICT.
What time is it in ICT right now?
ICT 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 -6h offset from NZDT.
What is the best time to call ICT from NZDT?
Call between 3:00 PM and 5:00 PM NZDT — that maps to 9:00 AM–11:00 AM ICT and keeps both parties inside the working day.
Which is behind, NZDT or ICT?
NZDT is 6 hours behind ICT. When it is 12:00 PM in NZDT it is 6:00 AM in ICT.
Does daylight saving time affect the NZDT–ICT difference?
Neither zone observes daylight saving time, so the -6h offset between NZDT and ICT is fixed all year.
Which other cities share NZDT's time zone?
NZDT also covers Auckland, Wellington, Christchurch, Hamilton, Dunedin.
Which countries use NZDT, NZDT's zone?
NZDT is used in New Zealand.
Is there a day difference between NZDT and ICT?
Not normally. The -6h gap only pushes the date over the previous day.
What is the time difference between NZDT and ICT?
ICT is -6h from NZDT.
What timezone is NZDT in?
NZDT operates on its local timezone.
What timezone is ICT in?
ICT operates on its local timezone.
Which countries use NZDT (New Zealand Daylight Time)?
NZDT is used in New Zealand.
Does NZDT observe daylight saving time?
Yes, NZDT switches to NZDT during summer months.
What are some interesting facts about NZDT?
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.
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 NZDT, what time is it in ICT?
When it is 12:00 AM (midnight) in NZDT (NZDT), it is -6h later in ICT (ICT).
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See every conversion from NZDT →·See every conversion from ICT →