HKT to NST
-11h 30mHKT
HKTSOURCENST
NSTGreen rows indicate typical business hours (9 AM - 5 PM)
HKT and NST on the World Map
The map below highlights the HKT (Hong Kong Time) and NST (Newfoundland Standard Time) timezone regions across the globe.
HKT – Hong Kong Time
UTC+08:00Hong Kong Time (HKT, UTC+08:00) is the time zone for Hong Kong, 8 hours ahead of UTC.
- •Hong Kong does not observe daylight saving time and has kept UTC+08:00 since 1979.
- •HKT shares its offset with China Standard Time, Singapore Time and Philippine Time.
- •The Hong Kong Stock Exchange opens at 09:30 HKT.
- •Hong Kong Time does not change with the seasons, so its gap to other zones is fixed.
NST – Newfoundland Standard Time
UTC-03:30Newfoundland Standard Time (NST) is a unique half-hour offset time zone in Canada, 3.5 hours behind UTC.
- •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.
Time Conversion Guide: HKT to NST
HKT runs on Hong Kong Time (HKT) at UTC+08:00. NST runs on Newfoundland Standard Time (NST) at UTC-03:30. That puts HKT 11 hours 30 minutes behind NST — a difference of -11h 30m at the current offsets.
In practice, when it is 9:00 AM in HKT it is 9:30 PM in NST on the previous day. Midnight in HKT is 12:30 PM in NST. Neither zone observes daylight saving time, so the offset between them stays constant all year.
HKT to NST time conversion table
| HKT (HKT) | NST (NST) | Day |
|---|---|---|
| 12:00 AM | 12:30 PM | previous day |
| 6:00 AM | 6:30 PM | previous day |
| 7:00 AM | 7:30 PM | previous day |
| 8:00 AM | 8:30 PM | previous day |
| 9:00 AM | 9:30 PM | previous day |
| 12:00 PM | 12:30 AM | same day |
| 3:00 PM | 3:30 AM | same day |
| 5:00 PM | 5:30 AM | same day |
| 6:00 PM | 6:30 AM | same day |
| 9:00 PM | 9:30 AM | same day |
Why people convert HKT to NST time
- Scheduling a call from HKT to NST: a 10:00 AM start in HKT lands at 10:30 PM in NST the previous day, so you can confirm the slot without doing the arithmetic yourself.
- Handling a -11h 30m gap: HKT and NST 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 NST is 9:30 PM in HKT.
- Keeping family and friends in sync: knowing that 8:00 PM in HKT is 8:30 AM in NST makes it easy to avoid calling at 3 AM.
- Always state the zone abbreviation, not just the hour. "3:00 PM HKT" is unambiguous; "3 PM" across a -11h 30m gap is not.
- With a -11h 30m gap there is no shared 9-to-5 window, so alternate the early start: one week HKT takes the early slot, the next week NST does.
About HKT (Hong Kong Time)
Hong Kong Time (HKT) is fixed at UTC+08:00 all year and does not observe daylight saving time. Hong Kong last used summer time in 1979 and has kept a single offset since. HKT shares the UTC+08:00 offset with China Standard Time, Singapore Time, Malaysian Time, Philippine Time and Australian Western Standard Time, but is listed separately because Hong Kong maintains its own timekeeping authority. As a major financial centre, Hong Kong's trading hours set the rhythm for markets across Asia, opening at 09:30 HKT which is 01:30 in London and 20:30 the previous evening in New York.
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 HKT and NST
With a -11h 30m offset there is no overlap inside a normal 9 AM – 5 PM day. NST opens at 9:00 AM NST, which is 9:30 PM in HKT, so real-time calls need an early-morning or late-evening slot on one side.
Business hours overlap
HKT and NST have no shared working hours because of the -11h 30m gap. Teams need to alternate early starts or rely on asynchronous handovers.
HKT is 11 hours 30 minutes behind NST (HKT UTC+08:00 → NST UTC-03:30). 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
HKT
Does not observe DST
NST
☀ Currently in DST
Standard: UTC-03:30 · DST: UTC-02:30
Clocks fall back on Sun, Nov 1, 2026
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 HKT and NST?
HKT (HKT, UTC+08:00) is 11 hours 30 minutes behind NST (NST, UTC-03:30). The gap is currently -11h 30m.
How do I convert HKT time to NST time?
Add -11h 30m to HKT local time. For example, 9:00 AM in HKT is 9:30 PM in NST (previous day).
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 -11h 30m offset from HKT.
What is the best time to call NST from HKT?
There is no shared working-hours window because of the -11h 30m gap. The closest option is 1:00 PM in HKT, which is 1:30 AM in NST.
Which is behind, HKT or NST?
HKT is 11 hours 30 minutes behind NST. When it is 12:00 PM in HKT it is 12:30 AM in NST.
Does daylight saving time affect the HKT–NST difference?
Neither zone observes daylight saving time, so the -11h 30m offset between HKT and NST is fixed all year.
Which other cities share HKT's time zone?
HKT also covers Hong Kong, Kowloon, Tsuen Wan, Sha Tin.
Which countries use HKT, HKT's zone?
HKT is used in Hong Kong SAR.
Is there a day difference between HKT and NST?
Not normally. The -11h 30m gap only pushes the date over the previous day.
What is the time difference between HKT and NST?
NST is -11h 30m from HKT.
What timezone is HKT in?
HKT operates on its local timezone.
What timezone is NST in?
NST operates on its local timezone.
Which countries use HKT (Hong Kong Time)?
HKT is used in Hong Kong SAR.
Does HKT observe daylight saving time?
No, HKT does not observe daylight saving time and remains at UTC+08:00 year-round.
What are some interesting facts about HKT?
Hong Kong does not observe daylight saving time and has kept UTC+08:00 since 1979. HKT shares its offset with China Standard Time, Singapore Time and Philippine Time.
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 HKT, what time is it in NST?
When it is 12:00 AM (midnight) in HKT (HKT), it is -11h 30m later in NST (NST).
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