No overlap — one side will join outside working hours
HKT (Hong Kong)
CDT (Chicago)
00:00
11:00-1dWorking
01:00
12:00-1dWorking
02:00
13:00-1dWorking
03:00
14:00-1dWorking
04:00
15:00-1dWorking
05:00
16:00-1dWorking
06:00
17:00-1d
07:00
18:00-1d
08:00
19:00-1d
09:00Working
20:00-1doff
10:00Working
21:00-1doff
11:00Working
22:00-1doff
12:00Working
23:00-1doff
13:00Working
00:00off
14:00Working
01:00off
15:00Working
02:00off
16:00Working
03:00off
17:00
04:00
18:00
05:00
19:00
06:00
20:00
07:00
21:00
08:00
22:00
09:00Working
23:00
10:00Working
Working hours: 09:00–17:00 local. Green = both working.Purple = one side only.
Frequently Asked Questions
What is the difference between hkt and cdt?
Hong Kong Time (hkt) is UTC+8 and Central Daylight Time (cdt) is UTC-5. The difference between them is 13 hours.
Where is hkt used?
Hong Kong Time (hkt) is used in Hong Kong and surrounding regions. The IANA timezone identifier is Asia/Hong_Kong.
Where is cdt used?
Central Daylight Time (cdt) is used in USA and surrounding regions. The IANA timezone identifier is America/Chicago.
How do I convert hkt to cdt?
Use the interactive converter above. Drag the time slider to any hkt time and the cdt equivalent updates instantly. You can also type a time like "3pm" or "15:00" in the input bar.
Time difference: HKT (Hong Kong) and CDT (Chicago)
HKT (Hong Kong) is 13 hours ahead of CDT (Chicago). Midday in HKT (Hong Kong) lines up with 23:00 in CDT (Chicago).
HKT (Hong Kong) observes Asia/Hong_Kong and CDT (Chicago) observes America/Chicago — a 13 hours gap between them.
Business hours comparison
When HKT (Hong Kong) is in standard working hours, CDT (Chicago) is not — and vice versa. There is no mutual business window between these two locations.
Optimal meeting slots
No business hours overlap exists between HKT (Hong Kong) and CDT (Chicago). Showing the most balanced options with minimal inconvenience for both locations.
05:00 Hong Kong / 16:00 Chicago⚡ One side off-hours
⚠️ 4h before working hours in Hong Kong
09:00 Hong Kong / 20:00 Chicago⚡ One side off-hours
⚠️ 4h after working hours in Chicago
04:00 Hong Kong / 15:00 Chicago⚡ One side off-hours
⚠️ 5h before working hours in Hong Kong
Assumes a standard 9 AM–5 PM workday in each location's local timezone.
Upcoming public holidays
⚡ Watch out — upcoming holidays on both sides. Verify availability in advance.
HKT (Hong Kong)6 holidays
Jul 1Hong Kong Special Administrative Region Establishment DaySOON
Sep 26Day following the Mid-Autumn Festival
Oct 1National Day
Oct 19Chung Yeung Festival
Dec 25Christmas Day
CDT (Chicago)7 holidays
Jul 3Independence DaySOON
Sep 7Labour Day
Oct 12Columbus Day
Oct 12Indigenous Peoples' Day
Nov 11Veterans Day
How to work with HKT (Hong Kong) and CDT (Chicago) time zones
Teams in HKT (Hong Kong) (Hong Kong) and CDT (Chicago) (USA) deal with a 13-hour gap that pushes their working days apart. Real-time meetings always require someone to stretch outside the standard 9–5.
💡 How to schedule across these time zones
⚡
05:00–06:00 in HKT (Hong Kong) corresponds to 16:00–17:00 in CDT (Chicago) (4h before working hours in Hong Kong).
⚡
09:00–10:00 in HKT (Hong Kong) corresponds to 20:00–21:00 in CDT (Chicago) (4h after working hours in Chicago).
⚡
04:00–05:00 in HKT (Hong Kong) corresponds to 15:00–16:00 in CDT (Chicago) (5h before working hours in Hong Kong).
Since there is no natural overlap, the options above represent the most balanced compromise, minimizing out-of-hours inconvenience for both sides.
Recurring meetings are particularly vulnerable to DST shifts. The ClockinSync Chrome Extension alerts you before the offset changes.
Drag the slider at the top to convert any HKT (Hong Kong) time instantly. You can also type natural language like "3pm", "15:00", or a location name to get an immediate answer.
