CDT to HKT
+13hCDT
CDTSOURCEHKT
HKTGreen rows indicate typical business hours (9 AM - 5 PM)
CDT and HKT on the World Map
The map below highlights the CDT (Central Daylight Time) and HKT (Hong Kong Time) timezone regions across the globe.
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.
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.
Time Conversion Guide: CDT to HKT
CDT runs on Central Daylight Time (CDT) at UTC-05:00. HKT runs on Hong Kong Time (HKT) at UTC+08:00. That puts CDT 13 hours ahead of HKT — a difference of +13h at the current offsets.
In practice, when it is 9:00 AM in CDT it is 10:00 PM in HKT. Midnight in CDT is 1:00 PM in HKT. Neither zone observes daylight saving time, so the offset between them stays constant all year.
CDT to HKT time conversion table
| CDT (CDT) | HKT (HKT) | Day |
|---|---|---|
| 12:00 AM | 1:00 PM | same day |
| 6:00 AM | 7:00 PM | same day |
| 7:00 AM | 8:00 PM | same day |
| 8:00 AM | 9:00 PM | same day |
| 9:00 AM | 10:00 PM | same day |
| 12:00 PM | 1:00 AM | next day |
| 3:00 PM | 4:00 AM | next day |
| 5:00 PM | 6:00 AM | next day |
| 6:00 PM | 7:00 AM | next day |
| 9:00 PM | 10:00 AM | next day |
Why people convert CDT to HKT time
- Scheduling a call from CDT to HKT: a 10:00 AM start in CDT lands at 11:00 PM in HKT, so you can confirm the slot without doing the arithmetic yourself.
- Handling a +13h gap: CDT and HKT 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 HKT is 10:00 PM in CDT.
- Watching a live event or market open: CDT viewers need 10:00 PM in HKT to catch a 9:00 AM start there, and 11:00 AM if the event is anchored to CDT.
- Always state the zone abbreviation, not just the hour. "3:00 PM CDT" 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 CDT takes the early slot, the next week HKT does.
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.
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.
Best time to call between CDT and HKT
With a +13h offset there is no overlap inside a normal 9 AM – 5 PM day. HKT opens at 9:00 AM HKT, which is 10:00 PM in CDT, so real-time calls need an early-morning or late-evening slot on one side.
Business hours overlap
CDT and HKT have no shared working hours because of the +13h gap. Teams need to alternate early starts or rely on asynchronous handovers.
CDT is 13 hours ahead of HKT (CDT UTC-05:00 → HKT UTC+08:00). 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
CDT
☀ Currently in DST
Standard: UTC-06:00 · DST: UTC-05:00
Clocks fall back on Sun, Nov 1, 2026
HKT
Does not observe DST
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 CDT and HKT?
CDT (CDT, UTC-05:00) is 13 hours ahead of HKT (HKT, UTC+08:00). The gap is currently +13h.
How do I convert CDT time to HKT time?
Add +13h to CDT local time. For example, 9:00 AM in CDT is 10:00 PM in HKT.
What time is it in HKT right now?
HKT uses HKT at UTC+08:00. Use the live converter at the top of this page — it updates in real time and already accounts for the +13h offset from CDT.
What is the best time to call HKT from CDT?
There is no shared working-hours window because of the +13h gap. The closest option is 1:00 PM in CDT, which is 2:00 AM in HKT.
Which is ahead, CDT or HKT?
CDT is 13 hours ahead of HKT. When it is 12:00 PM in CDT it is 1:00 AM in HKT.
Does daylight saving time affect the CDT–HKT difference?
Neither zone observes daylight saving time, so the +13h offset between CDT and HKT is fixed all year.
Which other cities share CDT's time zone?
CDT also covers Chicago, Houston, Dallas, Austin, Winnipeg, Nashville.
Which countries use CDT, CDT's zone?
CDT is used in United States (Central), Canada (Manitoba).
Is there a day difference between CDT and HKT?
Sometimes. The +13h gap is large enough that 8:00 PM or later in CDT already falls on the next day in HKT.
What is the time difference between CDT and HKT?
HKT is +13h from CDT.
What timezone is CDT in?
CDT operates on its local timezone.
What timezone is HKT in?
HKT operates on its local timezone.
Which countries use CDT (Central Daylight Time)?
CDT is used in United States (Central), Canada (Manitoba).
Does CDT observe daylight saving time?
Yes, CDT switches to CST during summer months.
What are some interesting facts about CDT?
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.
Which cities are in the HKT timezone?
Major cities in the HKT timezone include Hong Kong, Kowloon, Tsuen Wan, Sha Tin.
What is the UTC offset for HKT?
Hong Kong Time (HKT) is at UTC+08:00.
What should I know about the HKT timezone?
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.
When is it midnight in CDT, what time is it in HKT?
When it is 12:00 AM (midnight) in CDT (CDT), it is +13h later in HKT (HKT).
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See every conversion from CDT →·See every conversion from HKT →