Remote teams and business calls

Working Hours Overlap Guides

Last reviewed June 19, 2026 by TheWorldTimeMap editorial team

Find practical working-hours overlap for global meetings, remote teams, support handoffs, customer calls, interviews, webinars, and international collaboration. Each guide explains the useful shared window, why the exact date still matters, and how to keep narrow overlap from becoming a recurring burden.

Use overlap for live decisions

The best shared hours should be reserved for decisions, high-trust collaboration, support escalations, interviews, and customer conversations. Routine updates usually work better as written handoffs.

Check the exact date

A city pair can shift by an hour around daylight-saving changes, and some locations do not change clocks at all. Always verify future meetings with date-aware city or IANA zones.

Rotate narrow windows

If one region is always taking calls too early or too late, rotate the meeting time or alternate between live calls and recorded updates so the cost is visible and shared.

How to read these guides

Each route describes a practical office-hour pattern rather than a permanent offset. That matters because daylight-saving rules, local holidays, and date boundaries can change whether a meeting feels reasonable. Use the guide to choose a starting window, then open the matching time difference calculator for the exact date before sending an invitation.

For distributed teams, the best overlap is not always the mathematically largest overlap. It is the window that supports the work without repeatedly making one location meet before breakfast or after dinner. When the route is difficult, combine shorter live calls with written briefs, recordings, and clear ownership notes.

Data and review standards

These guides use city-based IANA time zones for live clocks and route calculators, then add editorial guidance for business meetings, support handoffs, and remote work. Because daylight-saving rules and local expectations can change, the final invite should always be checked on the exact date.

The Time Zone Data And Accuracy page explains how offsets are handled, the Editorial Policy explains review and advertising separation, Feedback is the correction path, and the Privacy Policy explains advertising, cookies, analytics, and local storage.

Data accuracy explains IANA time zone sources, daylight-saving limitations, and correction handling.

Editorial policy describes review standards and keeps planning guidance separate from ads.

Feedback is the path for reporting outdated offsets, broken links, or unclear overlap guidance.

Privacy policy explains advertising, consent, cookies, analytics, and local storage.

Popular working-hours overlap routes

New York to London late morning in New York, mid to late afternoon in London

New York morning and London afternoon are usually the safest overlap pattern.

 Los Angeles to London early morning in Los Angeles, late afternoon in London

Los Angeles to London overlap is narrow because London is late in the day when California starts work.

 New York to Singapore New York evening with Singapore morning, or Singapore evening with New York early morning

New York and Singapore usually have little same-day office overlap.

 California to India early California morning with India evening, or California evening with India next morning

California to India overlap is limited and usually sits at the edges of both workdays.

 London to Singapore morning in London, late afternoon in Singapore

London morning and Singapore late afternoon are usually the most reliable shared window.

 London to India mid-morning in London, afternoon in India

London and India often have a workable UK morning to India afternoon overlap.

 Sydney to New York New York evening with Sydney next morning, or Sydney morning with New York previous evening

Sydney to New York has almost no normal office-hours overlap on the same calendar day.

 Berlin to New York New York morning, Berlin afternoon

Berlin afternoon and New York morning are usually the most productive shared hours.

 Toronto to London late morning in Toronto, mid to late afternoon in London

Toronto to London overlap is similar to New York to London, with Toronto morning matching London afternoon.

 Chicago to London Chicago morning, London late afternoon

Chicago to London overlap is narrower than East Coast to London because Chicago starts later relative to the UK.

 San Francisco to London early morning in San Francisco, late afternoon in London

San Francisco to London has a short but valuable overlap when California is starting and London is late in the day.

 Los Angeles to Tokyo Los Angeles late afternoon or evening with Tokyo next morning

Los Angeles and Tokyo usually need an edge-of-day handoff rather than a comfortable same-day overlap.

 New York to Tokyo New York evening with Tokyo next morning, or Tokyo evening with New York early morning

New York to Tokyo has little normal office-hours overlap, so most live work happens at one side of the day.

 India to New York India evening with New York morning, or New York evening with India next morning

India and New York usually coordinate through India evening and New York morning or New York evening and India next morning.

 Los Angeles to Singapore Los Angeles evening with Singapore next morning

Los Angeles to Singapore usually requires a Pacific evening to Singapore morning handoff.

 Dallas to India early morning in Dallas, evening in India

Dallas and India have a limited overlap at the edges of the US morning and India evening.

 Seattle to India early morning in Seattle with India evening, or Seattle evening with India next morning

Seattle and India have a narrow overlap at the edges of the Pacific morning and India evening.

 Austin to London Austin morning with London late afternoon

Austin to London overlap is limited but workable when Austin starts early and London is late in the day.

 San Francisco to India early morning in San Francisco with India evening, or San Francisco evening with India next morning

San Francisco and India usually coordinate through Pacific morning to India evening or Pacific evening to India next morning.

 Boston to London Boston morning with London afternoon

Boston to London overlap is broad enough for East Coast morning meetings and London afternoon decisions.

 Miami to London Miami morning with London afternoon

Miami to London has a reliable US morning to UK afternoon window for cross-Atlantic teams.

 Atlanta to India early morning in Atlanta with India evening, or Atlanta evening with India next morning

Atlanta and India usually coordinate through US morning to India evening or US evening to India next morning.

 Denver to India early morning in Denver with India evening, or Denver evening with India next morning

Denver to India overlap is narrow and usually sits at the edges of both workdays.

 Phoenix to India early morning in Phoenix with India evening, or Phoenix evening with India next morning

Phoenix and India need careful scheduling because Arizona does not follow the same seasonal pattern as most US cities.

 Seattle to Tokyo Seattle late afternoon with Tokyo next morning

Seattle and Tokyo often coordinate through afternoon-to-next-morning handoffs instead of a broad same-day overlap.

 California to China California evening with China next morning

California and China usually need a Pacific evening to China morning coordination pattern.

 New York to India New York morning with India evening, or New York evening with India next morning

New York and India often meet through US morning to India evening or US evening to India next morning.

 London to Dubai London morning, Dubai afternoon

London and Dubai usually have a comfortable London morning to Dubai afternoon overlap.

 Dubai to New York Dubai evening, New York morning

Dubai and New York have a narrow Dubai evening to New York morning overlap.

 Tokyo to London Tokyo late afternoon, London morning

Tokyo and London usually have Tokyo late afternoon to London morning as the most useful shared window.

 Sydney to Singapore Sydney late morning to afternoon, Singapore morning to early afternoon

Sydney and Singapore usually have a broad APAC-friendly overlap during the middle of the workday.

 Paris to New York New York morning, Paris afternoon

Paris afternoon and New York morning are usually the strongest Europe-US shared hours.

 London to Sydney London early morning with Sydney evening, or Sydney morning with London previous evening

London and Sydney have very little normal office-hours overlap, so live work usually needs an edge-of-day handoff.

 New York to Los Angeles New York midday to late afternoon, Los Angeles morning to early afternoon

New York and Los Angeles usually have a broad same-day office overlap once California starts work.

 London to New York London afternoon to early evening, New York morning to midday

London afternoon and New York morning are usually the best shared working hours.

 Tokyo to New York Tokyo evening with New York early morning, or New York evening with Tokyo next morning

Tokyo and New York usually need a Tokyo evening to New York early-morning pattern or a New York evening to Tokyo next-morning handoff.

 Singapore to New York Singapore evening with New York morning, or New York evening with Singapore next morning

Singapore and New York have little same-day office overlap, so most live work happens through edge-of-day handoffs.

 Singapore to London Singapore late afternoon to early evening, London morning to midday

Singapore late afternoon and London morning are usually the most reliable shared working hours.

 Sydney to London Sydney evening with London morning, or London evening with Sydney next morning

Sydney and London have a narrow overlap that often sits at Sydney evening and London morning.

 Paris to Tokyo Paris morning, Tokyo late afternoon to evening

Paris and Tokyo usually coordinate through Paris morning and Tokyo late afternoon or evening.

 US to Philippines US evening with Philippines next morning, or US early morning with Philippines evening

US to Philippines working-hours overlap is usually an edge-of-day handoff rather than a comfortable same-day office window.

 UK to Australia UK early morning with Australia evening, or UK evening with Australia next morning

UK to Australia working-hours overlap is narrow and usually depends on one side taking an early or late call.

 US to India US early morning with India evening, or US evening with India next morning

US to India working-hours overlap usually sits at the edge of the US morning and India evening.

 US to Australia US evening with Australia next morning, or US early morning with Australia evening

US to Australia overlap is usually an early or late handoff because the workdays rarely line up comfortably.

 UK to India UK morning to early afternoon with India afternoon to early evening

UK to India overlap is workable when London morning or early afternoon reaches India afternoon or evening.

 Canada to India Canada Eastern morning with India evening, or Canada evening with India next morning

Canada to India overlap is usually a morning/evening handoff, with limited same-day office overlap.

 US to UK US Eastern morning to late morning with UK afternoon

US to UK overlap is usually strongest from US morning into UK afternoon.

 New York to Dubai New York morning, Dubai late afternoon to evening

New York and Dubai usually have a narrow New York morning to Dubai evening overlap.

 London to Hong Kong London morning, Hong Kong late afternoon

London morning and Hong Kong late afternoon are usually the strongest shared work window.

 Los Angeles to Sydney Los Angeles afternoon or evening with Sydney next morning

Los Angeles and Sydney have little same-day office overlap, so most live work needs edge-of-day scheduling.

 Chicago to India Chicago early morning with India evening, or Chicago evening with India next morning

Chicago and India usually share only early Chicago morning with India evening, or Chicago evening with India next morning.

 Toronto to India Toronto morning with India evening, or Toronto evening with India next morning

Toronto and India usually have Toronto morning to India evening as the most practical live window.

 San Francisco to Singapore San Francisco evening with Singapore next morning

San Francisco and Singapore usually need Pacific evening to Singapore morning handoffs, or Singapore evening to Pacific early morning.

 Seattle to London Seattle morning with London late afternoon

Seattle and London usually share a Pacific morning to London late-afternoon window for live work.

 Boston to India Boston morning with India evening

Boston and India usually work best with Boston morning to India evening calls, or Boston evening to India next-morning handoffs.

 New York to Hong Kong New York evening with Hong Kong next morning

New York and Hong Kong have limited same-day working overlap, so live calls usually use New York evening or Hong Kong morning.

 London to Tokyo London morning with Tokyo late afternoon

London and Tokyo usually share a London morning to Tokyo late-afternoon window for decisions and handoffs.

 San Francisco to Tokyo San Francisco afternoon with Tokyo next morning

San Francisco and Tokyo usually need Pacific afternoon to Tokyo next-morning handoffs, or Tokyo morning to Pacific previous-afternoon calls.

 Dallas to London Dallas morning with London afternoon

Dallas and London usually share a US Central morning to London afternoon window for operational work.

 Miami to Dubai Miami morning with Dubai evening

Miami and Dubai usually share a Miami morning to Dubai evening window for live calls, with limited standard office-hour overlap.
Meeting Planner

Find fair meeting times across several locations.

 Remote Scheduler

Balance overlap, focus time, and async handoffs.

 Time Difference Routes

Open date-aware city-pair calculators.

 Call Planner

Choose polite calling windows across countries.