Chicago zone
CDT (GMT-5)
Hong Kong zone
GMT+8 (GMT+8)
Difference
13 hours ahead of Chicago
Business overlap
No 9-5 overlap
Working hours overlap
Each cell is one hour in Chicago. Filled cells mark when 9 AM – 5 PM in Chicago and Hong Kong both apply.
0 hours per day
- Chicago
- GMT-5
- Hong Kong
- GMT+8
- Difference
- +13h
- Business overlap
- 0h
Hour-by-hour conversion
Each row shows the matching local time in Hong Kong for an hour in Chicago.
| Chicago | Hong Kong | Day | Window |
|---|---|---|---|
| 12:00 AM | 1:00 PM | same day | — |
| 1:00 AM | 2:00 PM | same day | — |
| 2:00 AM | 3:00 PM | same day | — |
| 3:00 AM | 4:00 PM | same day | — |
| 4:00 AM | 5:00 PM | same day | — |
| 5:00 AM | 6:00 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 | — |
| 10:00 AM | 11:00 PM | same day | — |
| 11:00 AM | 12:00 AM | next day | — |
| 12:00 PM | 1:00 AM | next day | — |
| 1:00 PM | 2:00 AM | next day | — |
| 2:00 PM | 3:00 AM | next day | — |
| 3:00 PM | 4:00 AM | next day | — |
| 4:00 PM | 5:00 AM | next day | — |
| 5:00 PM | 6:00 AM | next day | — |
| 6:00 PM | 7:00 AM | next day | — |
| 7:00 PM | 8:00 AM | next day | — |
| 8:00 PM | 9:00 AM | next day | — |
| 9:00 PM | 10:00 AM | next day | — |
| 10:00 PM | 11:00 AM | next day | — |
| 11:00 PM | 12:00 PM | next day | — |
Best meeting windows
Standard 9 AM – 5 PM hours in Chicago and Hong Kong do not overlap. Plan calls for early Chicago morning or late Chicago evening, and rotate the burden between sides.
Tighter overlap is achievable by having the side with later working hours start earlier, or by treating the first and last hours of each side as flexible. The bar above marks every hour where both cities sit inside a 9 AM – 5 PM window.
About converting Chicago time to Hong Kong time
Chicago follows the America/Chicago time zone (currently CDT, GMT-5), while Hong Kong follows Asia/Hong_Kong (currently GMT+8, GMT+8). Hong Kong is 13 hours ahead of Chicago right now.
Chicago observes daylight saving time, while Hong Kong does not. The offset between the two cities changes by one hour at the daylight saving transitions.
Daylight saving transitions in 2026
Chicago
- Spring forward · Sunday, March 8, 2026
- Fall back · Sunday, November 1, 2026
Hong Kong
Does not observe daylight saving time.
Reverse this conversion
Hong Kong to Chicago
Open the converter
Plan a meeting between Chicago and Hong Kong
More conversions from Chicago
Frequently asked questions
- How many hours is Chicago from Hong Kong?
- Hong Kong is 13 hours ahead of Chicago right now.
- What time is 9:00 AM Chicago in Hong Kong?
- 9:00 AM in Chicago is 10:00 PM in Hong Kong.
- What time is 5:00 PM Chicago in Hong Kong?
- 5:00 PM in Chicago is 6:00 AM (next day) in Hong Kong.
- When do Chicago and Hong Kong business hours overlap?
- Standard 9 AM - 5 PM working hours in Chicago and Hong Kong do not overlap. You will need an early or late call.
- Does daylight saving time change the difference between Chicago and Hong Kong?
- Chicago observes daylight saving time while Hong Kong does not, so the offset between them changes by one hour twice a year.
Local time page
Time in Chicago
Local time page
Time in Hong Kong