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Time Zone Calculator

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Convert date and time across global time zones, view time differences and day changes, compare overlapping work hours with the meeting planner, and check current world clocks.

Select Date, Time & Zones
Converted Time

London

07:00 PM (19:00)

Saturday, 2026-10-24

📅 Same day ⏱️ London is +5 hours relative to New York

🤝 Global Meeting Planner (Overlapping Working Hours)

Work (9am-5pm) Extended Off
New York London Overlap Suitability
12:00 AM 5:00 AM Sleeping Hours
1:00 AM 6:00 AM Sleeping Hours
2:00 AM 7:00 AM Sleeping Hours
3:00 AM 8:00 AM Sleeping Hours
4:00 AM 9:00 AM Sleeping Hours
5:00 AM 10:00 AM Sleeping Hours
6:00 AM 11:00 AM Sleeping Hours
7:00 AM 12:00 PM Acceptable
8:00 AM 1:00 PM Acceptable
9:00 AM 2:00 PM ★ BEST MEETING TIME
10:00 AM 3:00 PM ★ BEST MEETING TIME
11:00 AM 4:00 PM ★ BEST MEETING TIME
12:00 PM 5:00 PM Acceptable
1:00 PM 6:00 PM Acceptable
2:00 PM 7:00 PM Acceptable
3:00 PM 8:00 PM Acceptable
4:00 PM 9:00 PM Acceptable
5:00 PM 10:00 PM Sleeping Hours
6:00 PM 11:00 PM Sleeping Hours
7:00 PM 12:00 AM Sleeping Hours
8:00 PM 1:00 AM Sleeping Hours
9:00 PM 2:00 AM Sleeping Hours
10:00 PM 3:00 AM Sleeping Hours
11:00 PM 4:00 AM Sleeping Hours

🌐 Live Major World Clocks

New York 12:59 AM Oct 24
London 5:59 AM Oct 24
Paris 6:59 AM Oct 24
Tokyo 1:59 PM Oct 24
Sydney 3:59 PM Oct 24
Dubai 8:59 AM Oct 24
India 10:29 AM Oct 24
Singapore 12:59 PM Oct 24

Understanding your calculation

Method, example and limitations

How the calculation works

A time-zone conversion identifies the instant represented by the source local date and time, then displays that instant in the destination zone.

Example to check

At an instant when New York is UTC−5 and London is UTC+0, 14:00 in New York is 19:00 in London.

Before using the result

Offsets depend on the date and daylight-saving rules. Some local times are skipped or repeated during clock changes; a fixed offset is not a complete time-zone rule.

Calculation methodology · Report a result that needs review