Timezone Meeting Planner

Timezone Meeting Planner

Plan meeting times across major IANA time zones. Choose a source date, source time, and source zone to compare local times, date shifts, UTC offsets, and work-hour fit for distributed teams.

Live planner

Meeting time inputs

Pick a source time zone and meeting time to compare major team locations.

Meeting time by city

CityLocal timeDateOffsetFit
Coordinated Universal Time05:00Wed, Jun 10, 2026UTC+00:00Outside normal hours
Los Angeles22:00Tue, Jun 09, 2026UTC-07:00Outside normal hours
Denver23:00Tue, Jun 09, 2026UTC-06:00Outside normal hours
Chicago00:00Wed, Jun 10, 2026UTC-05:00Outside normal hours
New York01:00Wed, Jun 10, 2026UTC-04:00Outside normal hours
Sao Paulo02:00Wed, Jun 10, 2026UTC-03:00Outside normal hours
London06:00Wed, Jun 10, 2026UTC+01:00Outside normal hours
Berlin07:00Wed, Jun 10, 2026UTC+02:00Extended hours
Paris07:00Wed, Jun 10, 2026UTC+02:00Extended hours
Dubai09:00Wed, Jun 10, 2026UTC+04:00Core work hours
Mumbai10:30Wed, Jun 10, 2026UTC+05:30Core work hours
Singapore13:00Wed, Jun 10, 2026UTC+08:00Core work hours
Tokyo14:00Wed, Jun 10, 2026UTC+09:00Core work hours
Sydney15:00Wed, Jun 10, 2026UTC+10:00Core work hours

Zone basis

IANA

Cities shown

14

Checks

date + offset

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What Can You Create?

Plan distributed meetings with date and offset context

Cross-time-zone scheduling

Compare a meeting time across major cities while keeping date shifts and UTC offsets visible.

Full comparison table

Review surrounding units or time zones after the selected result, reducing repeated input for adjacent checks.

Formula-backed output

Use visible method notes to understand how the result was produced before copying it into another workflow.

Formula

Timezone meeting conversion method

The planner interprets the source wall-clock time in an IANA time zone, converts that instant to UTC, then formats the same instant in each target zone.

Working formulas

Source instant

UTC instant = source local time - source UTC offset

The offset depends on the selected date and IANA zone rules.

Target local time

target local time = UTC instant + target UTC offset

Each target row uses the offset valid for that instant.

Work-hour fit

09:00-17:00 = core work hours

The fit label is a planning hint, not a company policy.

Symbols

UTC instant - shared moment
The single moment represented by all local-time rows.
UTC offset - zone offset
The zone's offset from UTC for the selected instant.
Why Users Love This Tool

Why timezone planning needs date-aware offsets

Uses IANA zone names

  • The planner uses location-based time zones such as America/New_York and Asia/Dubai.
  • Offsets are calculated for the selected date, which matters around daylight saving changes.
  • Date shifts are shown because a meeting can move to the previous or next calendar day.

Built for quick team checks

  • Rows include a simple work-hour fit label for scanning meeting pain points.
  • UTC offsets stay visible so users can audit the conversion.
  • The copied summary includes the major city times for sharing in planning notes.
Perfect For

Useful for distributed teams

Remote teams

Find a practical meeting window across North America, Europe, the Gulf, and Asia-Pacific.

Operations teams

Check launch, maintenance, support, and incident-review times across regions.

Project coordinators

Copy city-by-city meeting times into agendas, briefs, and calendar notes.

How It Works

How it works in three quick steps.

1

Choose source date and time

Enter the meeting date and wall-clock time as it appears for the organizer.

2

Select source time zone

Choose the organizer's IANA time zone so daylight saving rules are applied for the selected date.

3

Review city rows

Compare local time, date, UTC offset, and work-hour fit across the listed zones.

Download & Print

Share meeting-time output

Copy result

Copy the selected conversion with labels so the result can move into tickets, docs, worksheets, or chat.

Print the table

Print the full table when a task needs repeated comparisons across related units or time zones.

Keep the formula visible

Use the formula notes to explain whether the result came from a factor, an offset, or a timezone rule.

FAQ

Frequently Asked Questions

Why does the meeting planner use IANA time zones?
IANA time zones are location-based identifiers such as America/New_York and Europe/London. They are better than fixed offsets for meeting planning because offsets can change with daylight saving time and political time-zone rule changes.
Does the planner handle daylight saving time?
The planner uses the browser's Intl time-zone data for the selected IANA zone and date. That allows offsets to change by date where daylight saving rules apply, although users should still verify unusual edge cases around skipped or repeated local times.
Why can the date change in another city?
All rows represent the same UTC instant. When that instant is formatted in a distant time zone, the local clock may fall on the previous or next calendar day. The table shows the local date so users do not schedule the wrong day.
What does work-hour fit mean?
Core work hours means the local time is between 09:00 and 17:00. Extended hours covers early morning through evening. Outside normal hours flags times that are usually difficult for meetings. These labels are planning hints, not universal work rules.
Can I add more cities?
The current planner focuses on common global business zones. More cities can be added by extending the IANA zone list, and the same conversion method will format the selected instant in those additional zones.
About This Tool

About this timezone meeting planner

Timezone planning is date-sensitive. A simple UTC offset can be wrong when daylight saving time changes or when a region updates its rules. This planner uses IANA time zone names and formats the same UTC instant across multiple cities.

The tool is designed for scanning. It shows local time, local date, UTC offset, and a work-hour fit label so a distributed team can quickly see which regions are comfortable and which are strained.

The copied output is intentionally compact, making it useful for calendar notes, launch plans, and coordination messages where people need the same moment in several local times.

Editorial Transparency

Who maintains this page

Ownership and review

Written and maintained by the Toolarithm editorial team. No review date is shown without a maintained editorial record. No independent professional review is claimed.

Methodology

Conversion factors are normalized to canonical units and checked in both directions. Exact definitions and offset formulas are preferred over rounded lookup values.

Read the editorial methodology

Dates and sources

Review dates change only after a substantive method or content check.

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