Hong Kong zone
GMT+8 (GMT+8)
Washington D.C. zone
EDT (GMT-4)
Difference
12 hours behind Hong Kong
Business overlap
No 9-5 overlap
Working hours overlap
Each cell is one hour in Hong Kong. Filled cells mark when 9 AM – 5 PM in Hong Kong and Washington D.C. both apply.
0 hours per day
- Hong Kong
- GMT+8
- Washington D.C.
- GMT-4
- Difference
- -12h
- Business overlap
- 0h
Hour-by-hour conversion
Each row shows the matching local time in Washington D.C. for an hour in Hong Kong.
| Hong Kong | Washington D.C. | Day | Window |
|---|---|---|---|
| 12:00 AM | 12:00 PM | previous day | — |
| 1:00 AM | 1:00 PM | previous day | — |
| 2:00 AM | 2:00 PM | previous day | — |
| 3:00 AM | 3:00 PM | previous day | — |
| 4:00 AM | 4:00 PM | previous day | — |
| 5:00 AM | 5:00 PM | previous day | — |
| 6:00 AM | 6:00 PM | previous day | — |
| 7:00 AM | 7:00 PM | previous day | — |
| 8:00 AM | 8:00 PM | previous day | — |
| 9:00 AM | 9:00 PM | previous day | — |
| 10:00 AM | 10:00 PM | previous day | — |
| 11:00 AM | 11:00 PM | previous day | — |
| 12:00 PM | 12:00 AM | same day | — |
| 1:00 PM | 1:00 AM | same day | — |
| 2:00 PM | 2:00 AM | same day | — |
| 3:00 PM | 3:00 AM | same day | — |
| 4:00 PM | 4:00 AM | same day | — |
| 5:00 PM | 5:00 AM | same day | — |
| 6:00 PM | 6:00 AM | same day | — |
| 7:00 PM | 7:00 AM | same day | — |
| 8:00 PM | 8:00 AM | same day | — |
| 9:00 PM | 9:00 AM | same day | — |
| 10:00 PM | 10:00 AM | same day | — |
| 11:00 PM | 11:00 AM | same day | — |
Best meeting windows
Standard 9 AM – 5 PM hours in Hong Kong and Washington D.C. do not overlap. Plan calls for early Hong Kong morning or late Hong Kong 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 Hong Kong time to Washington D.C. time
Hong Kong follows the Asia/Hong_Kong time zone (currently GMT+8, GMT+8), while Washington D.C. follows America/New_York (currently EDT, GMT-4). Washington D.C. is 12 hours behind Hong Kong right now.
Washington D.C. 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
Hong Kong
Does not observe daylight saving time.
Washington D.C.
- Spring forward · Sunday, March 8, 2026
- Fall back · Sunday, November 1, 2026
Reverse this conversion
Washington D.C. to Hong Kong
Open the converter
Plan a meeting between Hong Kong and Washington D.C.
More conversions from Hong Kong
Frequently asked questions
- How many hours is Hong Kong from Washington D.C.?
- Washington D.C. is 12 hours behind Hong Kong right now.
- What time is 9:00 AM Hong Kong in Washington D.C.?
- 9:00 AM in Hong Kong is 9:00 PM (previous day) in Washington D.C..
- What time is 5:00 PM Hong Kong in Washington D.C.?
- 5:00 PM in Hong Kong is 5:00 AM in Washington D.C..
- When do Hong Kong and Washington D.C. business hours overlap?
- Standard 9 AM - 5 PM working hours in Hong Kong and Washington D.C. do not overlap. You will need an early or late call.
- Does daylight saving time change the difference between Hong Kong and Washington D.C.?
- Washington D.C. 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 Hong Kong
Local time page
Time in Washington D.C.