Hong Kong to Chicago
-13hHong Kong
HKTSOURCEChicago
CDTGreen rows indicate typical business hours (9 AM - 5 PM)
HKT and CDT on the World Map
The map below highlights the HKT (Hong Kong Time) and CDT (Central 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.
CST – Central Standard Time
UTC-06:00Central Standard Time (CST) is the time zone for the central United States, Canada, and Mexico, 6 hours behind UTC.
- •CST covers 20 US states fully or partially.
- •Chicago and Houston are the two largest cities in the Central Time Zone.
- •Mexico City, one of the world's most populous cities, operates on CST.
- •CST is 1 hour behind EST and 2 hours ahead of PST.
About Hong Kong
WikipediaHong Kong Time (HKT) is UTC+8 with no daylight saving. As a major financial gateway to China, Hong Kong trading hours overlap with European morning sessions.
The city has one of the world's most efficient and affordable public transit systems.
About Chicago
WikipediaChicago operates on Central Time (CST/CDT), 1 hour behind New York. Home to CME and CBOE, Chicago is a global center for derivatives trading.
The Chicago Board of Trade is the world's oldest futures and options exchange.
Hong Kong vs Chicago: Offsets, DST and Best Call Times
Hong Kong runs on Hong Kong Standard Time (HKT) at UTC+08:00. Chicago runs on Central Daylight Time (CDT) at UTC-05:00, also currently on daylight saving time. That puts Hong Kong 13 hours behind Chicago — a difference of -13h at the current offsets.
In practice, when it is 9:00 AM in Hong Kong it is 8:00 PM in Chicago on the previous day. Midnight in Hong Kong is 11:00 AM in Chicago.Chicago observes daylight saving time while Hong Kong does not, so the gap narrows or widens by an hour part of the year.
Hong Kong to Chicago time conversion table
| Hong Kong (HKT) | Chicago (CDT) | 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 Hong Kong to Chicago time
- Scheduling a call from Hong Kong to Chicago: a 10:00 AM start in Hong Kong lands at 9:00 PM in Chicago the previous day, so you can confirm the slot without doing the arithmetic yourself.
- Handling a -13h gap: Hong Kong and Chicago 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 Chicago is 8:00 PM in Hong Kong.
- Booking travel or deliveries: tracking Chicago local time against Hong Kong keeps pickup windows and arrival estimates honest across the -13h offset.
- 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 Hong Kong takes the early slot, the next week Chicago does.
- Chicago: Clocks fall back on Sun, Nov 1, 2026. Any meeting series spanning that date will shift by an hour in local time.
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 CST (Central Standard Time)
Central Standard Time (CST) covers the central region of North America. It is the second most populous time zone in the US, including major cities like Chicago, Houston, and Dallas. CST is also used in Mexico City and much of Central America including Guatemala, Honduras, El Salvador, and Costa Rica. During summer, most of the US and Canada switch to Central Daylight Time (CDT, UTC-05:00), while Mexico and Central American countries generally remain on CST.
Best time to call between Hong Kong and Chicago
With a -13h offset there is no overlap inside a normal 9 AM – 5 PM day. Chicago opens at 9:00 AM CDT, which is 8:00 PM in Hong Kong, so real-time calls need an early-morning or late-evening slot on one side.
Business hours overlap
Hong Kong and Chicago have no shared working hours because of the -13h gap. Teams need to alternate early starts or rely on asynchronous handovers.
Hong Kong is 13 hours behind Chicago (HKT UTC+08:00 → CDT 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
Hong Kong
Does not observe DST
Chicago
☀ Currently in DST
Standard: UTC-06:00 · DST: UTC-05:00
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 Hong Kong and Chicago?
Hong Kong (HKT, UTC+08:00) is 13 hours behind Chicago (CDT, UTC-05:00). The gap is currently -13h.
How do I convert Hong Kong time to Chicago time?
Add -13h to Hong Kong local time. For example, 9:00 AM in Hong Kong is 8:00 PM in Chicago (previous day).
What time is it in Chicago right now?
Chicago uses CDT 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 Hong Kong.
What is the best time to call Chicago from Hong Kong?
There is no shared working-hours window because of the -13h gap. The closest option is 1:00 PM in Hong Kong, which is 12:00 AM in Chicago.
Which is behind, Hong Kong or Chicago?
Hong Kong is 13 hours behind Chicago. When it is 12:00 PM in Hong Kong it is 11:00 PM in Chicago.
Do Hong Kong and Chicago use different time zones?
Hong Kong (Hong Kong) uses HKT at UTC+08:00, while Chicago (USA) uses CDT at UTC-05:00. The IANA identifiers are Asia/Hong_Kong and America/Chicago.
Does daylight saving time affect the Hong Kong–Chicago difference?
Yes at the moment: Chicago is on daylight saving time and Hong Kong is not, so the -13h gap shifts by an hour when exactly one of them changes clocks.
Which other cities share Hong Kong's time zone?
HKT also covers Hong Kong, Kowloon, Tsuen Wan, Sha Tin.
Which countries use HKT, Hong Kong's zone?
HKT is used in Hong Kong SAR.
Is there a day difference between Hong Kong and Chicago?
Sometimes. The -13h gap is large enough that 8:00 PM or later in Hong Kong already falls on the in Chicago.
What is the time difference between Hong Kong and Chicago?
Chicago is -13h from Hong Kong.
What timezone is Hong Kong in?
Hong Kong Time (HKT) is UTC+8 with no daylight saving. As a major financial gateway to China, Hong Kong trading hours overlap with European morning sessions.
What timezone is Chicago in?
Chicago operates on Central Time (CST/CDT), 1 hour behind New York. Home to CME and CBOE, Chicago is a global center for derivatives trading.
What are the business hours in Hong Kong?
Standard business hours in Hong Kong are 9:00 AM - 6:00 PM HKT.
What are the business hours in Chicago?
Standard business hours in Chicago are 8:00 AM - 5:00 PM CST.
What is the best time to schedule a call between Hong Kong and Chicago?
The best overlap for a call is when both cities are in business hours. Hong Kong works 9:00 AM - 6:00 PM HKT and Chicago works 8:00 AM - 5:00 PM CST (-13h difference). Try scheduling during the overlapping window for maximum convenience.
What currencies are used in Hong Kong and Chicago?
Hong Kong uses HKD (HK$) while Chicago uses USD ($). Check current exchange rates when planning travel or business between these cities.
How do Hong Kong and Chicago compare in size?
Hong Kong has a population of approximately 7.5 million (metro: 7.5 million), while Chicago has approximately 2.7 million (metro: 9.5 million).
What are the major landmarks in Hong Kong and Chicago?
Hong Kong is known for Victoria Peak, Tian Tan Buddha, Victoria Harbour. Chicago is famous for Willis Tower, Millennium Park, Cloud Gate (The Bean).
Do Hong Kong and Chicago have stock exchanges?
Yes. Hong Kong has the HKEX (Hong Kong Stock Exchange) and Chicago has the CME (Chicago Mercantile Exchange), CBOE. The -13h time difference affects trading hour overlaps between these exchanges.
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 CST timezone?
Major cities in the CST timezone include Chicago, Houston, Dallas, San Antonio, Mexico City, Austin, Winnipeg, Memphis.
What is the UTC offset for CST?
Central Standard Time (CST) is at UTC-06:00. During daylight saving time, it shifts to CDT.
What should I know about the CST timezone?
CST covers 20 US states fully or partially. Chicago and Houston are the two largest cities in the Central Time Zone.
When is it midnight in Hong Kong, what time is it in Chicago?
When it is 12:00 AM (midnight) in Hong Kong (HKT), it is -13h later in Chicago (CST).
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