How does the time zone meeting planner work?

Enter the meeting participants' cities or time zones, pick a proposed time in your own zone, and the planner shows the local time for every attendee at that instant. The meeting window highlights the hours that fall within everyone's normal working day, typically 9 AM to 5 PM, so you can spot a slot that suits all regions without manual conversion.

How many time zones can I add?

You can add any number of participants, each with their own city or zone, and the planner displays all of them on one grid. The recommended window is computed from the overlapping working hours of every person you add, so larger groups usually narrow the options. Remove attendees whose hours are flexible to open up more slots.

What is the best time for a US-Europe meeting?

The sweet spot is typically 10 AM to 12 PM New York (EST/EDT), which lands between 3 PM and 6 PM in London and 4 PM to 7 PM in most of Europe — late afternoon for both sides. The planner shows this overlap automatically: enter the two zones and it highlights the shared working hours for you.

Does it handle daylight saving time?

Yes — the planner applies each zone's current daylight-saving rules automatically, so the conversion is correct for the date you select. Because the US, UK, and EU change clocks on different dates in spring and autumn, the same nominal meeting time can shift by an hour across a few weeks — the tool accounts for that.

Can I find a time for 3 continents?

Yes — add the zones for the Americas, Europe, and Asia and the planner highlights the overlap between all three working days. A common solution is early morning in the Americas (7–9 AM), late afternoon in Europe (4–6 PM), and late evening in Asia (9–11 PM). The grid makes the trade-offs visible so you can pick the least painful slot.

Is the Time Zone Meeting Planner free and private?

Yes — it is completely free with no sign-up or usage limits, and all conversions run in your browser, so no calendar or participant data is uploaded. CalcaTools covers its costs with display advertising. Use it for any group size, from two-person calls to company-wide syncs.

schedule

Time Zone Meeting Planner | Find the Best Meeting Time

Find a meeting time that works across every participant's time zone — enter the cities or zones, and the planner highlights the overlap in everyone's working hours on one grid. Handles daylight saving automatically, making international calls and remote-team syncs effortless.

Last updated: August 2026 · Free · No sign-up required

A time zone meeting planner converts a meeting date and time across selected cities and highlights overlapping working hours so distributed teams can choose a practical meeting window.

How this calculator works

How the time zone meeting planner works

The planner uses the browser time-zone database through the Internationalization API to convert one meeting instant into local times for each selected city. Because offsets can change with daylight-saving rules, the date is part of the calculation.

Working-hour overlap

For each selected location, the planner compares the local meeting time with the working-hours interval you enter. The result identifies locations that fit the reference 09:00–17:00 window.

Source and limitations

Time-zone identifiers and daylight-saving transitions are provided by the browser runtime using the IANA time-zone database. Always confirm unusual historical or future dates when a calendar event has legal, payroll, or travel consequences.

Worked example

Scenario: A team in New York schedules a 09:00 meeting on a summer date and compares London and Tokyo.

Result: The planner converts the instant into each location’s local time and marks which locations fall within the selected working hours.

Interpretation: A time that is convenient for New York and London may be outside normal hours in Tokyo, so the overlap result should guide rotation or scheduling choices.

Frequently asked questions

How does the planner handle daylight saving time?

It converts the selected date using the browser time-zone rules, so the displayed offset can change between winter and summer. Check the date and location before sending the calendar invite.

What should I enter for a city?

Use an IANA identifier such as America/New_York, Europe/London, or Asia/Tokyo. City labels can map to the same regional time-zone rules.

What if there is no shared working-hour overlap?

The planner reports that the selected hours do not intersect. Try widening the working-hours range or allow one location to join outside its normal schedule.

Does the meeting planner account for time-zone changes?

Yes. The selected date is used with the browser time-zone database, so daylight-saving changes and date-boundary shifts are reflected in the converted times.

Can I use the planner for international teams?

Yes. Enter a reference time zone and one or more comparison zones using IANA names. The planner converts the same meeting instant for each selected location.

Does the planner store my meeting details?

No. The calculation runs in your browser. The date, time, and time-zone values are not uploaded or stored by the calculator.

Quick reference

City	UTC Offset (winter)	Example (UTC 12:00)
New York	UTC−5	07:00
London	UTC+0	12:00
Dubai	UTC+4	16:00
Singapore	UTC+8	20:00
Tokyo	UTC+9	21:00
Sydney	UTC+11	23:00

public Date-aware conversion

schedule Working-hour overlap

share Shareable planning

lightbulb Worked example

Planning a 30-minute sync between New York, London and Sydney.

Result: 10:00 AM New York = 3:00 PM London = 1:00 AM Sydney next day.

Formula & methodology

Formula: local time = UTC time + zone offset; overlap = intersection of selected working-hour intervals

How the time zone meeting planner works

Working-hour overlap

For each selected location, the planner compares the local meeting time with the working-hours interval you enter. The suggested window is the intersection shared by all selected locations; if the intersection is empty, the result explains which locations create the conflict.

Source and limitations

Authoritative source: IANA Time Zone Database

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