Auckland to HST
-23hAuckland
NZDTSOURCEHST
HSTGreen rows indicate typical business hours (9 AM - 5 PM)
NZDT and HST on the World Map
The map below highlights the NZDT (New Zealand Standard Time) and HST (Hawaii Standard 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).
HST – Hawaii Standard Time
UTC-10:00Hawaii Standard Time (HST) is the time zone for the Hawaiian Islands, 10 hours behind UTC.
- •Hawaii does not observe daylight saving time.
- •HST is 5 hours behind EST in winter and 6 hours behind EDT in summer.
- •Hawaii is one of only two US states that don't observe DST (the other is Arizona).
About Auckland
WikipediaAuckland operates on New Zealand Standard Time (NZST), UTC+12. As the first major city to see each day, Auckland opens global business ahead of all other markets.
Auckland is the first major city to see the sunrise each day (along with cities further east).
Auckland vs HST: Offsets, DST and Best Call Times
Auckland runs on New Zealand Daylight Time (NZDT) at UTC+13:00, currently observing daylight saving time. HST runs on Hawaii Standard Time (HST) at UTC-10:00. That puts Auckland 23 hours behind HST — a difference of -23h at the current offsets.
In practice, when it is 9:00 AM in Auckland it is 10:00 AM in HST on the previous day. Midnight in Auckland is 1:00 AM in HST.Auckland observes daylight saving time while HST does not, so the gap narrows or widens by an hour part of the year.
Auckland to HST time conversion table
| Auckland (NZDT) | HST (HST) | Day |
|---|---|---|
| 12:00 AM | 1:00 AM | previous day |
| 6:00 AM | 7:00 AM | previous day |
| 7:00 AM | 8:00 AM | previous day |
| 8:00 AM | 9:00 AM | previous day |
| 9:00 AM | 10:00 AM | previous day |
| 12:00 PM | 1:00 PM | previous day |
| 3:00 PM | 4:00 PM | previous day |
| 5:00 PM | 6:00 PM | previous day |
| 6:00 PM | 7:00 PM | previous day |
| 9:00 PM | 10:00 PM | previous day |
Why people convert Auckland to HST time
- Scheduling a call from Auckland to HST: a 10:00 AM start in Auckland lands at 11:00 AM in HST the previous day, so you can confirm the slot without doing the arithmetic yourself.
- Handling a -23h gap: Auckland and HST have no overlap inside a normal 9-to-5 day, so real-time meetings need an early-morning or late-evening slot on one side. 9:00 AM in HST is 10:00 AM in Auckland.
- Watching a live event or market open: Auckland viewers need 10:00 AM in HST to catch a 9:00 AM start there, and 11:00 PM if the event is anchored to Auckland.
- Always state the zone abbreviation, not just the hour. "3:00 PM NZDT" is unambiguous; "3 PM" across a -23h gap is not.
- With a -23h gap there is no shared 9-to-5 window, so alternate the early start: one week Auckland takes the early slot, the next week HST does.
- Auckland: Clocks fall back on Sat, Apr 3, 2027. Re-check this page after that date because the offset changes and so does the -23h gap.
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 HST (Hawaii Standard Time)
Hawaii Standard Time (HST) is used in the state of Hawaii and does not observe daylight saving time. This makes HST one of the most consistent time zones in the US. The Hawaiian Islands are among the last places on Earth to see a new calendar day.
Best time to call between Auckland and HST
With a -23h offset there is no overlap inside a normal 9 AM – 5 PM day. HST opens at 9:00 AM HST, which is 10:00 AM in Auckland, so real-time calls need an early-morning or late-evening slot on one side.
Business hours overlap
Auckland and HST have no shared working hours because of the -23h gap. Teams need to alternate early starts or rely on asynchronous handovers.
Auckland is 23 hours behind HST (NZDT UTC+13:00 → HST UTC-10:00). There is no shared 9-to-5 window, so plan around an early or late slot. Remember to re-check around daylight-saving transitions.
🕐 Daylight Saving Time Info
Auckland
☀ Currently in DST
Standard: UTC+12:00 · DST: UTC+13:00
Clocks fall back on Sat, Apr 3, 2027
HST
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 Auckland and HST?
Auckland (NZDT, UTC+13:00) is 23 hours behind HST (HST, UTC-10:00). The gap is currently -23h.
How do I convert Auckland time to HST time?
Add -23h to Auckland local time. For example, 9:00 AM in Auckland is 10:00 AM in HST (previous day).
What time is it in HST right now?
HST uses HST at UTC-10:00. Use the live converter at the top of this page — it updates in real time and already accounts for the -23h offset from Auckland.
What is the best time to call HST from Auckland?
There is no shared working-hours window because of the -23h gap. The closest option is 1:00 PM in Auckland, which is 2:00 PM in HST.
Which is behind, Auckland or HST?
Auckland is 23 hours behind HST. When it is 12:00 PM in Auckland it is 1:00 PM in HST.
Do Auckland and HST use different time zones?
Auckland (New Zealand) uses NZDT at UTC+13:00, while HST uses HST at UTC-10:00. The IANA identifiers are Pacific/Auckland and Pacific/Honolulu.
Does daylight saving time affect the Auckland–HST difference?
Yes at the moment: Auckland is on daylight saving time and HST is not, so the -23h gap shifts by an hour when exactly one of them changes clocks.
Which other cities share Auckland's time zone?
NZDT also covers Auckland, Wellington, Christchurch, Hamilton, Dunedin.
Which countries use NZDT, Auckland's zone?
NZDT is used in New Zealand.
Is there a day difference between Auckland and HST?
Sometimes. The -23h gap is large enough that 8:00 PM or later in Auckland already falls on the previous day in HST.
What is the time difference between Auckland and HST?
HST is -23h from Auckland.
What timezone is Auckland in?
Auckland operates on New Zealand Standard Time (NZST), UTC+12. As the first major city to see each day, Auckland opens global business ahead of all other markets.
What timezone is HST in?
HST operates on its local timezone.
What are the business hours in Auckland?
Standard business hours in Auckland are 9:00 AM - 5:00 PM NZST.
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 HST timezone?
Major cities in the HST timezone include Honolulu, Hilo, Kailua, Pearl City, Kapolei.
What is the UTC offset for HST?
Hawaii Standard Time (HST) is at UTC-10:00.
What should I know about the HST timezone?
Hawaii does not observe daylight saving time. HST is 5 hours behind EST in winter and 6 hours behind EDT in summer.
When is it midnight in Auckland, what time is it in HST?
When it is 12:00 AM (midnight) in Auckland (NZST), it is -23h later in HST (HST).
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See every conversion from Auckland →·See every conversion from HST →