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Honolulu to NST

+6h 30m

Honolulu

HSTSOURCE
USA · UTC-10:00
HH12
:
MM00
  
12:00 (24-hr)
12 AM6 AM12 PM6 PM12 AM

NST

NST
UTC-02:30☀ DST active
HH06
:
MM30
  
18:30 (24-hr)
12 AM6 AM12 PM6 PM12 AM
Honolulu
NST
12:00 AM
7:30 AM
2:00 AM
9:30 AM
4:00 AM
11:30 AM
6:00 AM
1:30 PM
8:00 AM
3:30 PM
10:00 AM
5:30 PM
12:00 PM
7:30 PM
2:00 PM
9:30 PM
4:00 PM
11:30 PM
6:00 PM
1:30 AM+1
8:00 PM
3:30 AM+1
10:00 PM
5:30 AM+1

Green rows indicate typical business hours (9 AM - 5 PM)

HST and NST on the World Map

The map below highlights the HST (Hawaii Standard Time) and NST (Newfoundland Standard Time) timezone regions across the globe.

HSTNSTHonoluluHiloKailuaPearl CitySt. John'sCorner BrookMount Pearl
HST Zone
→
NST Zone

Explore all world timezones interactively →

HST – Hawaii Standard Time

UTC-10:00

Hawaii Standard Time (HST) is the time zone for the Hawaiian Islands, 10 hours behind UTC.

Countries in HST
United States (Hawaii)
Major Cities in HST
HonoluluHiloKailuaPearl CityKapolei
Key Facts about HST
  • •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).
Daylight Saving:No – UTC-10:00 year-round
Learn more about HST on Wikipedia

NST – Newfoundland Standard Time

UTC-03:30

Newfoundland Standard Time (NST) is a unique half-hour offset time zone in Canada, 3.5 hours behind UTC.

Countries in NST
Canada (Newfoundland)
Major Cities in NST
St. John'sCorner BrookMount Pearl
Key Facts about NST
  • •NST is one of only a few half-hour offset time zones in the world.
  • •Newfoundland joined Canada in 1949 and kept its unique time zone.
  • •St. John's is the easternmost city in North America.
Daylight Saving:Yes – switches to NDT
Learn more about NST on Wikipedia

About Honolulu

Wikipedia

Honolulu operates on Hawaii Standard Time (HST), UTC-10 with no daylight saving. Hawaii's consistent time makes it a predictable connection between Asia and mainland USA.

Population:350,000
Metro:1 million
Business Hours:8:00 AM - 5:00 PM HST
Currency:USD ($)
Key Landmarks
Waikiki BeachDiamond HeadPearl HarborIolani PalaceHanauma Bay
Did You Know?

Pearl Harbor memorial receives over 2 million visitors annually.

Learn more about HST timezone →

Honolulu to NST Time Difference – Complete Guide

Honolulu runs on Hawaii-Aleutian Standard Time (HST) at UTC-10:00. NST runs on Newfoundland Standard Time (NST) at UTC-03:30. That puts Honolulu 6 hours 30 minutes ahead of NST — a difference of +6h 30m at the current offsets.

In practice, when it is 9:00 AM in Honolulu it is 3:30 PM in NST. Midnight in Honolulu is 6:30 AM in NST. Neither zone observes daylight saving time, so the offset between them stays constant all year.

Honolulu to NST time conversion table

Honolulu (HST)NST (NST)Day
12:00 AM6:30 AMsame day
6:00 AM12:30 PMsame day
7:00 AM1:30 PMsame day
8:00 AM2:30 PMsame day
9:00 AM3:30 PMsame day
12:00 PM6:30 PMsame day
3:00 PM9:30 PMsame day
5:00 PM11:30 PMsame day
6:00 PM12:30 AMnext day
9:00 PM3:30 AMnext day

Why people convert Honolulu to NST time

  • Scheduling a call from Honolulu to NST: a 10:00 AM start in Honolulu lands at 4:30 PM in NST, so you can confirm the slot without doing the arithmetic yourself.
  • Finding shared working hours: both Honolulu and NST are inside the 9-to-5 working day between 9:00 AM and 10:30 AM HST time (3:30 PM–5:00 PM NST). That is roughly 1 hours 30 minutes of usable overlap.
  • Coordinating a Honolulu-based team with NST contacts: quoting times in the other side's local clock — not your own — removes the single biggest source of missed meetings.
  • Always state the zone abbreviation, not just the hour. "3:00 PM HST" is unambiguous; "3 PM" across a +6h 30m gap is not.
  • Block 9:00 AM–10:30 AM HST as the recurring meeting window if you work primarily from Honolulu and need NST colleagues present.

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.

About NST (Newfoundland Standard Time)

Newfoundland Standard Time (NST) is one of the few half-hour offset time zones in the world. It covers the island of Newfoundland in Canada and is 30 minutes ahead of Atlantic Standard Time. This unique offset exists because Newfoundland was an independent country until 1949.

Best time to call between Honolulu and NST

Both Honolulu and NST sit inside the 9 AM – 5 PM working day between 9:00 AM–10:30 AM HST, which is 3:30 PM–5:00 PM NST. That gives roughly 1 hours and 30 minutes of shared time — the safest window for a live call or meeting.

Business hours overlap

Honolulu and NST overlap for only 90 minutes (9:00 AM–10:30 AM HST), so meetings have to be booked precisely.

Honolulu is 6 hours 30 minutes ahead of NST (HST UTC-10:00 → NST UTC-03:30). The shared working window is 9:00 AM–10:30 AM HST. Remember to re-check around daylight-saving transitions.

🕐 Daylight Saving Time Info

Honolulu

Does not observe DST

NST

☀ Currently in DST

Standard: UTC-03:30 · DST: UTC-02:30

Clocks fall back on Sun, Nov 1, 2026

Frequently Asked Questions

What is the time difference between Honolulu and NST?

Honolulu (HST, UTC-10:00) is 6 hours 30 minutes ahead of NST (NST, UTC-03:30). The gap is currently +6h 30m.

How do I convert Honolulu time to NST time?

Add +6h 30m to Honolulu local time. For example, 9:00 AM in Honolulu is 3:30 PM in NST.

What time is it in NST right now?

NST uses NST at UTC-03:30. Use the live converter at the top of this page — it updates in real time and already accounts for the +6h 30m offset from Honolulu.

What is the best time to call NST from Honolulu?

Call between 9:00 AM and 10:30 AM HST — that maps to 3:30 PM–5:00 PM NST and keeps both parties inside the working day.

Which is ahead, Honolulu or NST?

Honolulu is 6 hours 30 minutes ahead of NST. When it is 12:00 PM in Honolulu it is 6:30 PM in NST.

Do Honolulu and NST use different time zones?

Honolulu (USA) uses HST at UTC-10:00, while NST uses NST at UTC-03:30. The IANA identifiers are Pacific/Honolulu and America/St_Johns.

Does daylight saving time affect the Honolulu–NST difference?

Neither zone observes daylight saving time, so the +6h 30m offset between Honolulu and NST is fixed all year.

Which other cities share Honolulu's time zone?

HST also covers Honolulu, Hilo, Kailua, Pearl City, Kapolei.

Which countries use HST, Honolulu's zone?

HST is used in United States (Hawaii).

Is there a day difference between Honolulu and NST?

Not normally. The +6h 30m gap only pushes the date over for late-evening times.

What is the time difference between Honolulu and NST?

NST is +6h 30m from Honolulu.

What timezone is Honolulu in?

Honolulu operates on Hawaii Standard Time (HST), UTC-10 with no daylight saving. Hawaii's consistent time makes it a predictable connection between Asia and mainland USA.

What timezone is NST in?

NST operates on its local timezone.

What are the business hours in Honolulu?

Standard business hours in Honolulu are 8:00 AM - 5:00 PM HST.

Which countries use HST (Hawaii Standard Time)?

HST is used in United States (Hawaii).

Does HST observe daylight saving time?

No, HST does not observe daylight saving time and remains at UTC-10:00 year-round.

What are some interesting facts about HST?

Hawaii does not observe daylight saving time. HST is 5 hours behind EST in winter and 6 hours behind EDT in summer.

Which cities are in the NST timezone?

Major cities in the NST timezone include St. John's, Corner Brook, Mount Pearl.

What is the UTC offset for NST?

Newfoundland Standard Time (NST) is at UTC-03:30. During daylight saving time, it shifts to NDT.

What should I know about the NST timezone?

NST is one of only a few half-hour offset time zones in the world. Newfoundland joined Canada in 1949 and kept its unique time zone.

When is it midnight in Honolulu, what time is it in NST?

When it is 12:00 AM (midnight) in Honolulu (HST), it is +6h 30m later in NST (NST).