Time Difference Between Hong Kong and Philadelphia

The time difference between Hong Kong and Philadelphia is 13 hours. When it is 12:00 noon in Hong Kong, it is 23:00 in Philadelphia. Hong Kong uses the Asia/Hong_Kong time zone (UTC+8), while Philadelphia uses America/New_York (UTC-5).

Philadelphia is 13 hours behind Hong Kong — 13 hours
Hong Kong, Hong Kong
00:57:12
Sunday, November 8, 2026
UTC+8 · HKT
↔
Philadelphia, United States
11:57:12
Saturday, November 7, 2026
UTC-5 · EST

Time Zone Details: Hong Kong vs Philadelphia

Detail Hong Kong Philadelphia
Time Zone IDAsia/Hong_KongAmerica/New_York
UTC OffsetUTC+8UTC-5
AbbreviationHKTEST
DST ActiveNoNo
CountryHong KongUnited States
RegionAsiaNorth America

Best Time to Schedule a Call

With a 13 hours gap, there is no standard business-hours overlap between Hong Kong and Philadelphia. One party will need to adjust their schedule. Early mornings in Hong Kong or late evenings in Philadelphia tend to be the most practical compromise.

Hour-by-Hour Time Conversion

Use this table to quickly convert any hour from Hong Kong time to Philadelphia time. Rows highlighted in green indicate overlapping business hours in both cities.

Hong Kong Philadelphia
00:00 11:00 (-1 day) Night
01:00 12:00 (-1 day) Night
02:00 13:00 (-1 day) Night
03:00 14:00 (-1 day) Night
04:00 15:00 (-1 day) Night
05:00 16:00 (-1 day) Night
06:00 17:00 (-1 day)
07:00 18:00 (-1 day)
08:00 19:00 (-1 day)
09:00 20:00 (-1 day)
10:00 21:00 (-1 day)
11:00 22:00 (-1 day)
12:00 23:00 (-1 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 Night
23:00 10:00 Night

Daylight Saving Time (DST) Impact

Neither Hong Kong nor Philadelphia is currently observing daylight saving time. If either city observes DST, the time difference will change by 1 hour when DST begins or ends. Always double-check before scheduling across these time zones during March–April and October–November.

Practical Tips for Hong Kong–Philadelphia Scheduling

Compare Hong Kong and Philadelphia with Other Cities

From Hong Kong

From Philadelphia

Frequently Asked Questions

What is the time difference between Hong Kong and Philadelphia?

The time difference is 13 hours. Philadelphia is 13 hours behind Hong Kong.

Does the time difference change during the year?

It can. If either Hong Kong or Philadelphia observes daylight saving time, the gap will shift by 1 hour during the transition periods (typically March–April and October–November).

When is the best time to call from Hong Kong to Philadelphia?

There is no ideal window during standard business hours. Consider scheduling at the edges — early morning for the city that is ahead and late afternoon for the city that is behind.

How do I convert Hong Kong time to Philadelphia time?

Subtract 13 hours from Hong Kong time to get Philadelphia time. Use the hour-by-hour table above for a quick reference.

Related Pages

For sunrise and sunset data, visit TheSunsetTimes.com. For detailed DST schedules, see DaylightSavingTime.info.