HKT to Chicago
-13hHKT
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 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.
HKT to Chicago Time Difference – Complete Guide
HKT runs on Hong Kong 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 HKT 13 hours behind Chicago — a difference of -13h at the current offsets.
In practice, when it is 9:00 AM in HKT it is 8:00 PM in Chicago on the previous day. Midnight in HKT is 11:00 AM in Chicago.Chicago observes daylight saving time while HKT does not, so the gap narrows or widens by an hour part of the year.
HKT to Chicago time conversion table
| HKT (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 HKT to Chicago time
- Scheduling a call from HKT to Chicago: a 10:00 AM start in HKT 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: HKT 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 HKT.
- Coordinating a HKT-based team with Chicago 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 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 HKT 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 HKT, so real-time calls need an early-morning or late-evening slot on one side.
Business hours overlap
HKT and Chicago 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 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
HKT
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 HKT and Chicago?
HKT (HKT, UTC+08:00) is 13 hours behind Chicago (CDT, UTC-05:00). The gap is currently -13h.
How do I convert HKT time to Chicago time?
Add -13h to HKT local time. For example, 9:00 AM in HKT 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 HKT.
What is the best time to call Chicago 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 Chicago.
Which is behind, HKT or Chicago?
HKT is 13 hours behind Chicago. When it is 12:00 PM in HKT it is 11:00 PM in Chicago.
Do HKT and Chicago use different time zones?
HKT 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 HKT–Chicago difference?
Yes at the moment: Chicago is on daylight saving time and HKT is not, so the -13h gap shifts by an hour when exactly one of them changes clocks.
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 Chicago?
Sometimes. The -13h gap is large enough that 8:00 PM or later in HKT already falls on the in Chicago.
What is the time difference between HKT and Chicago?
Chicago is -13h from HKT.
What timezone is HKT in?
HKT operates on its local timezone.
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 Chicago?
Standard business hours in Chicago are 8:00 AM - 5:00 PM CST.
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 HKT, what time is it in Chicago?
When it is 12:00 AM (midnight) in HKT (HKT), it is -13h later in Chicago (CST).
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