HKT to CDT
-13hHKT
HKTSOURCECDT
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 Daylight 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.
CDT – Central Daylight Time
UTC-05:00Central Daylight Time (CDT) is the daylight saving offset in the Central Time Zone, 5 hours behind UTC.
- •CDT is the same offset as EST (UTC-05:00), which can cause confusion.
- •CDT runs from the second Sunday in March to the first Sunday in November.
Time Conversion Guide: HKT to CDT
HKT runs on Hong Kong Time (HKT) at UTC+08:00. CDT runs on Central Daylight Time (CDT) at UTC-05:00. That puts HKT 13 hours behind CDT — a difference of -13h at the current offsets.
In practice, when it is 9:00 AM in HKT it is 8:00 PM in CDT on the previous day. Midnight in HKT is 11:00 AM in CDT. Neither zone observes daylight saving time, so the offset between them stays constant all year.
HKT to CDT time conversion table
| HKT (HKT) | CDT (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 CDT time
- Scheduling a call from HKT to CDT: a 10:00 AM start in HKT lands at 9:00 PM in CDT the previous day, so you can confirm the slot without doing the arithmetic yourself.
- Handling a -13h gap: HKT and CDT 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 CDT is 8:00 PM in HKT.
- Booking travel or deliveries: tracking CDT local time against HKT 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 HKT takes the early slot, the next week CDT 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 CDT (Central Daylight Time)
Central Daylight Time (CDT) is observed during summer months in the US and Canadian portions of the Central Time Zone. Clocks are moved forward by one hour, aligning with Eastern Standard Time (EST). Most of Mexico and Central America do not observe CDT, staying on CST year-round.
Best time to call between HKT and CDT
With a -13h offset there is no overlap inside a normal 9 AM – 5 PM day. CDT 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 CDT 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 CDT (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
CDT
☀ 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 CDT?
HKT (HKT, UTC+08:00) is 13 hours behind CDT (CDT, UTC-05:00). The gap is currently -13h.
How do I convert HKT time to CDT time?
Add -13h to HKT local time. For example, 9:00 AM in HKT is 8:00 PM in CDT (previous day).
What time is it in CDT right now?
CDT 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 CDT 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 CDT.
Which is behind, HKT or CDT?
HKT is 13 hours behind CDT. When it is 12:00 PM in HKT it is 11:00 PM in CDT.
Does daylight saving time affect the HKT–CDT difference?
Neither zone observes daylight saving time, so the -13h offset between HKT and CDT 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 CDT?
Sometimes. The -13h gap is large enough that 8:00 PM or later in HKT already falls on the in CDT.
What is the time difference between HKT and CDT?
CDT is -13h from HKT.
What timezone is HKT in?
HKT operates on its local timezone.
What timezone is CDT in?
CDT 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 CDT timezone?
Major cities in the CDT timezone include Chicago, Houston, Dallas, Austin, Winnipeg, Nashville.
What is the UTC offset for CDT?
Central Daylight Time (CDT) is at UTC-05:00. During daylight saving time, it shifts to CST.
What should I know about the CDT timezone?
CDT is the same offset as EST (UTC-05:00), which can cause confusion. CDT runs from the second Sunday in March to the first Sunday in November.
When is it midnight in HKT, what time is it in CDT?
When it is 12:00 AM (midnight) in HKT (HKT), it is -13h later in CDT (CDT).
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See every conversion from HKT →·See every conversion from CDT →