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Time difference between cities

Quick answer

How do I find the time difference between two cities?

Pick a pair below. Each page shows the current difference, an hour-by-hour comparison, and a strip highlighting the overlapping business hours — the best window to call. All daylight-saving aware.

Popular from London

CityDifference
New York City5 hours behindcompare →
Los Angeles8 hours behindcompare →
Chicago6 hours behindcompare →
San Francisco8 hours behindcompare →
Toronto5 hours behindcompare →
Vancouver8 hours behindcompare →
Montréal5 hours behindcompare →
Mexico City7 hours behindcompare →
São Paulo4 hours behindcompare →
Rio de Janeiro4 hours behindcompare →
Buenos Aires4 hours behindcompare →
Lima6 hours behindcompare →
Bogotá6 hours behindcompare →
Santiago5 hours behindcompare →
Paris1 hour aheadcompare →
Berlin1 hour aheadcompare →
Munich1 hour aheadcompare →
Frankfurt am Main1 hour aheadcompare →
Amsterdam1 hour aheadcompare →
Brussels1 hour aheadcompare →
Madrid1 hour aheadcompare →
Barcelona1 hour aheadcompare →
Lisbonsame timecompare →
Rome1 hour aheadcompare →

Major cities

Tap a city to compare it with London; from there you can jump to any other pair.

United Kingdom

United States

Canada

Mexico

Brazil

Argentina

Peru

Colombia

Chile

France

Germany

The Netherlands

Belgium

Spain

Portugal

Italy

Switzerland

Austria

Czechia

Poland

Sweden

Norway

Denmark

Finland

Ireland

Iceland

Greece

Hungary

Romania

Ukraine

Russia

Turkey

United Arab Emirates

Qatar

Saudi Arabia

Israel

Egypt

Kenya

Nigeria

South Africa

Morocco

Japan

South Korea

China

Hong Kong

Taiwan

Singapore

Thailand

Malaysia

Indonesia

Philippines

Vietnam

India

Pakistan

Bangladesh

Sri Lanka

Australia

New Zealand

Nepal

Iran

Iraq

Jordan

Lebanon

Democratic Republic of the Congo

Ivory Coast

Jet lag by route, hours between two times, sunrise & sunset, clock changes.

Frequently asked questions

How is the time difference calculated?

From each city current UTC offset, including daylight saving. The difference is one city offset minus the other. Around DST transitions the gap can shift by an hour, which each city-pair page notes.

What is the best time to schedule a call across time zones?

Find the overlap where both cities are within normal working hours. Each pair page shows a strip with 9am–5pm highlighted in both cities so the shared window is obvious.

Do you cover cities beyond the ones listed?

Yes — any two cities in our worldwide database have a page. The links here are just the busiest routes; type or follow links to reach others.

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There is no button to tap

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Photo and barcode missions are anchored to a spot in another room, so the only way to stop the noise is to stand up and walk there. You cannot pre-stage it from bed.

It fixes the night, not just the morning

A sleep forecast before bed, bedtime reminders and wake-up streaks — because the 6 AM problem usually starts at 1 AM.

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