Time difference between Hong Kong and Philadelphia
13 hours
Hong Kong is 13 hours ahead of Philadelphia.
Does daylight saving change it?
Yes. In winter the gap is 13 hours; in summer it is 12 hours. Only Philadelphia observes daylight saving.
Overlapping work hours
During Hong Kong work hours (09:00–18:00) Philadelphia is off the clock. One side has to take an early morning or a late evening.
Hong Kong time → Philadelphia time
| 00:00 | 11:00prev day |
|---|---|
| 01:00 | 12:00prev day |
| 02:00 | 13:00prev day |
| 03:00 | 14:00prev day |
| 04:00 | 15:00prev day |
| 05:00 | 16:00prev day |
| 06:00 | 17:00prev day |
| 07:00 | 18:00prev day |
| 08:00 | 19:00prev day |
| 09:00 | 20:00prev day |
| 10:00 | 21:00prev day |
| 11:00 | 22:00prev day |
| 12:00 | 23:00prev day |
| 13:00 | 00:00 |
| 14:00 | 01:00 |
| 15:00 | 02:00 |
| 16:00 | 03:00 |
| 17:00 | 04:00 |
| 18:00 | 05:00 |
| 19:00 | 06:00 |
| 20:00 | 07:00 |
| 21:00 | 08:00 |
| 22:00 | 09:00 |
| 23:00 | 10:00 |
Standard time (January). During daylight saving each row shifts by an hour.
Frequently asked questions
Q. How many hours is Hong Kong ahead of Philadelphia?
13 hours on standard time. During daylight saving it becomes 12 hours, an hour more or less.
Q. What time is it in Philadelphia when it is noon in Hong Kong?
Read the 12:00 row of the 24-hour table below. The table is on standard time, so each row shifts an hour during daylight saving.
Q. When should we schedule a meeting?
The work hours do not overlap at all. One side has to take an early morning or a late evening.