HKT to EST
-13hHKT
HKTSOURCEEST
ESTGreen rows indicate typical business hours (9 AM - 5 PM)
HKT and EST on the World Map
The map below highlights the HKT (Hong Kong Time) and EST (Eastern 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.
EST – Eastern Standard Time
UTC-05:00Eastern Standard Time (EST) is the time zone for the eastern United States and Canada, 5 hours behind UTC.
- •EST is the most widely used time zone in the United States by population.
- •The New York Stock Exchange (NYSE) and NASDAQ operate on Eastern Time, opening at 9:30 AM EST.
- •23 US states are fully or partially in the Eastern Time Zone.
- •EST was established by the Standard Time Act of 1918.
- •Over 47% of the US population lives in the Eastern Time Zone.
Everything You Need to Know About HKT and EST Time
HKT runs on Hong Kong Time (HKT) at UTC+08:00. EST runs on Eastern Standard Time (EST) at UTC-05:00. That puts HKT 13 hours behind EST — a difference of -13h at the current offsets.
In practice, when it is 9:00 AM in HKT it is 8:00 PM in EST on the previous day. Midnight in HKT is 11:00 AM in EST. Neither zone observes daylight saving time, so the offset between them stays constant all year.
HKT to EST time conversion table
| HKT (HKT) | EST (EST) | Day |
|---|---|---|
| 12:00 AM | 11:00 AM | previous day |
| 6:00 AM | 5:00 PM | previous day |
| 7:00 AM | 6:00 PM | previous day |
| 8:00 AM | 7:00 PM | previous day |
| 9:00 AM | 8:00 PM | previous day |
| 12:00 PM | 11:00 PM | previous day |
| 3:00 PM | 2:00 AM | same day |
| 5:00 PM | 4:00 AM | same day |
| 6:00 PM | 5:00 AM | same day |
| 9:00 PM | 8:00 AM | same day |
Why people convert HKT to EST time
- Scheduling a call from HKT to EST: a 10:00 AM start in HKT lands at 9:00 PM in EST the previous day, so you can confirm the slot without doing the arithmetic yourself.
- Handling a -13h gap: HKT and EST 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 EST is 8:00 PM in HKT.
- Coordinating a HKT-based team with EST 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 HKT" is unambiguous; "3 PM" across a -13h gap is not.
- With a -13h gap there is no shared 9-to-5 window, so alternate the early start: one week HKT takes the early slot, the next week EST 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 EST (Eastern Standard Time)
Eastern Standard Time (EST) is observed during the winter months in the eastern part of North America. It covers 23 US states and parts of Canada including Ontario and Quebec. EST is the most populous time zone in the United States, home to major financial centers like New York City and global organizations headquartered in Washington D.C. During daylight saving time (March–November), clocks shift to Eastern Daylight Time (EDT, UTC-04:00). The time zone also covers parts of the Caribbean and Central America including Panama, Jamaica, and the Cayman Islands.
Best time to call between HKT and EST
With a -13h offset there is no overlap inside a normal 9 AM – 5 PM day. EST opens at 9:00 AM EST, which is 8:00 PM in HKT, so real-time calls need an early-morning or late-evening slot on one side.
Business hours overlap
HKT and EST have no shared working hours because of the -13h gap. Teams need to alternate early starts or rely on asynchronous handovers.
HKT is 13 hours behind EST (HKT UTC+08:00 → EST UTC-05:00). 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
HKT
Does not observe DST
EST
☀ Currently in DST
Standard: UTC-05:00 · DST: UTC-04:00
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 EST?
HKT (HKT, UTC+08:00) is 13 hours behind EST (EST, UTC-05:00). The gap is currently -13h.
How do I convert HKT time to EST time?
Add -13h to HKT local time. For example, 9:00 AM in HKT is 8:00 PM in EST (previous day).
What time is it in EST right now?
EST uses EST at UTC-05:00. Use the live converter at the top of this page — it updates in real time and already accounts for the -13h offset from HKT.
What is the best time to call EST from HKT?
There is no shared working-hours window because of the -13h gap. The closest option is 1:00 PM in HKT, which is 12:00 AM in EST.
Which is behind, HKT or EST?
HKT is 13 hours behind EST. When it is 12:00 PM in HKT it is 11:00 PM in EST.
Does daylight saving time affect the HKT–EST difference?
Neither zone observes daylight saving time, so the -13h offset between HKT and EST 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 EST?
Sometimes. The -13h gap is large enough that 8:00 PM or later in HKT already falls on the in EST.
What is the time difference between HKT and EST?
EST is -13h from HKT.
What timezone is HKT in?
HKT operates on its local timezone.
What timezone is EST in?
EST 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 EST timezone?
Major cities in the EST timezone include New York City, Washington D.C., Miami, Toronto, Philadelphia, Atlanta, Boston, Montreal.
What is the UTC offset for EST?
Eastern Standard Time (EST) is at UTC-05:00. During daylight saving time, it shifts to EDT.
What should I know about the EST timezone?
EST is the most widely used time zone in the United States by population. The New York Stock Exchange (NYSE) and NASDAQ operate on Eastern Time, opening at 9:30 AM EST.
When is it midnight in HKT, what time is it in EST?
When it is 12:00 AM (midnight) in HKT (HKT), it is -13h later in EST (EST).
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See every conversion from HKT →·See every conversion from EST →