London Philadelphia

Best Time to Call

Excellent overlap! The best window to call is between 14:00 and 17:00 (London time).

Sync London and Philadelphia easily. London is 5 hours ahead of Philadelphia. Excellent overlap! The best window to call is between 14:00 and 17:00 (London time).

Upcoming Time Change

  • New York City clocks forward 1h in 11 days Mar 09

💡 Review recurring meetings scheduled during these dates to avoid sync issues.

Meeting Optimizer

Sync Score
3.3/10
-12h Current Time +12h
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Tokyo

15:43 GMT+9
Working
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New York City

01:43 EST
Sleeping
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London

06:43 GMT
Sleeping

Synchronization Context

A 5 hours gap allows for a manageable shared window, typically in the morning or late afternoon. It requires some scheduling but supports daily synchronization.

London Business Pulse

  • Culture London business culture is generally formal but collaborative. "Flexi-Fridays" are common in the summer.
  • Lunch Break Typically 1:00 PM - 2:00 PM.
  • Pro Tip Avoid calling after 4:30 PM on Fridays as many offices wind down early for the weekend. Mid-week (Tuesday to Thursday) between 10 AM and 4 PM is the "Golden Window" for reaching decision-makers. Always start with a brief polite inquiry about their day before diving into business.

Philadelphia Business Pulse

  • Culture Hardworking, direct, and values heritage and education.
  • Lunch Break 12:00 PM - 1:00 PM.
  • Pro Tip Reach out between 9:00 AM and 11:30 AM. Philadelphians are known for being direct and hardworking. The city is a major hub for healthcare, biotech, and research; technical expertise and clear, data-backed arguments are highly valued in professional discussions.

Quick Comparison

Feature London Philadelphia
Timezone Europe/London America/New_York
Country UK USA
Coordinates 51.51, -0.13 39.95, -75.17
Population 9,648,000 5,800,000

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