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Meeting Planner Time Zone Overlap Calculator

Coordinating calls across global remote teams in New York, London, Tokyo, or Sydney requires finding acceptable working windows.

UTC hour offset for Location 1 (e.g. -5 for New York EST, -8 for California PST, 0 for London GMT).

UTC hour offset for Location 2 (e.g. +1 for Central Europe CET, +9 for Tokyo JST, +10 for Sydney AEST).

Morning start of standard work day (e.g. 9 for 09:00 AM).

Evening end of standard work day (e.g. 17 for 05:00 PM).

What Is the Meeting Planner Time Zone Overlap Calculator?

A meeting planner time zone overlap calculator finds shared business hours across distributed geographical locations.

How Does the Meeting Planner Time Zone Overlap Calculator Work?

Computes the net hour offset difference between Location 1 and Location 2.

Projects each hour of Location 1 into Location 2 time, scoring hours that fall within working parameters.

Meeting Planner Time Zone Overlap Calculator Formula & Variables

The core mathematical equation utilized by this calculator is expressed as:

Time Difference = UTC Offset 2 - UTC Offset 1

Compares local solar business hours and determines hours of intersection where both teams are between 08:00 and 18:00.

How to Use the Meeting Planner Time Zone Overlap Calculator

  1. Enter the UTC hour offset for both cities.
  2. Enter work hours for the host team.
  3. View the overlap duration and ideal call window.

Step-by-Step Example Calculation

New York (UTC-5) to Berlin (UTC+1)

Input Values:

zone1Offset:-5
zone2Offset:1
workStart:9
workEnd:17

Understanding Your Result

Overlapping Work Hours displays common hours where both offices are online during reasonable daytime periods.

Factors That Affect the Result

  • Seasonal daylight saving time changes that do not occur on the same date internationally.

When Should You Use This Calculator?

  • Planning sprint retrospectives, all-hands webinars, client check-ins, and candidate interviews across continents.

Assumptions & Limitations

  • Assumes standard civil UTC hourly offsets.

Frequently Asked Questions

Calculation Accuracy & Reference Note

Civil timezone arithmetic.

Explore more tools and calculators in Date & Time Calculators