Meeting time

Best time to meet: London and Philadelphia

London is 5 hours ahead of Philadelphia right now. Their working days overlap for 3 hours: 2 PM to 5 PM in London, which is 9 AM to 12 PM in Philadelphia. The easiest time to meet is 3 PM in London (10 AM in Philadelphia).

Tue 3:59 PMLondon · Greenwich Mean TimeTue 10:59 AMPhiladelphia · Eastern Standard Time
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Hour by hour

With the clocks as they are on November 10, 2026, London time on the left. A working day here is 9 AM to 5 PM.

LondonPhiladelphia
6 AM1 AMBoth off
7 AM2 AMBoth off
8 AM3 AMBoth off
9 AM4 AMLondon at work
10 AM5 AMLondon at work
11 AM6 AMLondon at work
12 PM7 AMLondon at work
1 PM8 AMLondon at work
2 PM9 AMBoth at work
3 PM10 AMEasiest time
4 PM11 AMBoth at work
5 PM12 PMPhiladelphia at work
6 PM1 PMPhiladelphia at work
7 PM2 PMPhiladelphia at work
8 PM3 PMPhiladelphia at work
9 PM4 PMPhiladelphia at work
10 PM5 PMBoth off

When the clocks change

The gap moves when either city changes its clocks. The next twelve months:

DatesLondon isBoth at work (London time)Easiest (London / Philadelphia)
Now to March 14, 20275 hours ahead2 PM–5 PM (3 hours)3 PM / 10 AM
March 14, 2027 to March 28, 2027
clocks in Philadelphia go forward		4 hours ahead1 PM–5 PM (4 hours)2 PM / 10 AM
March 28, 2027 to October 31, 2027
clocks in London go forward		5 hours ahead2 PM–5 PM (3 hours)3 PM / 10 AM
October 31, 2027 to November 7, 2027
clocks in London go back		4 hours ahead1 PM–5 PM (4 hours)2 PM / 10 AM
November 7, 2027 onward
clocks in Philadelphia go back		5 hours ahead2 PM–5 PM (3 hours)3 PM / 10 AM

Philadelphia keeps the same clock as New York.

Questions people ask

What time is it in Philadelphia when it is 9 AM in London?
4 AM in Philadelphia, while London is 5 hours ahead.
When is the best time for a call between London and Philadelphia?
3 PM in London, which is 10 AM in Philadelphia. Both cities are at work from 2 PM to 5 PM London time.
Does the time difference between London and Philadelphia change during the year?
Yes — it changes 4 times in the next twelve months, when the clocks go forward or back; the dates are in the table above.

More cities

New York and London3 hours of shared working day · meet at 10 AM New York timeLondon and San FranciscoNo shared working hours · fairest at 4:30 PM London timeLondon and Bangalore2 hours 30 minutes of shared working day · meet at 10 AM London timeLondon and SingaporeNo shared working hours · fairest at 8:30 AM London timeLondon and Los AngelesNo shared working hours · fairest at 4:30 PM London timeLondon and SydneyNo shared working hours · fairest at 7 AM London timeLondon and TokyoNo shared working hours · fairest at 8 AM London timeLondon and Berlin7 hours of shared working day · meet at 10 AM London timeLondon and Chicago2 hours of shared working day · meet at 4 PM London timeLondon and Dubai4 hours of shared working day · meet at 10 AM London timeLondon and Paris7 hours of shared working day · meet at 10 AM London timeLondon and Toronto3 hours of shared working day · meet at 3 PM London time

Every city from London · Every city from Philadelphia · All cities · Plan across more than two cities

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