Meeting Timezone Planner

What is a Meeting Timezone Planner?

Find optimal meeting slots that overlap with normal working hours (e.g. 9:00 AM – 5:00 PM) across multiple international cities and time zones. Highlights green "working hours", yellow "extended hours", and red "overnight" slots.

Why Use This Tool?

  • Global Remote Team Scheduling: Find fair meeting times between participants in London, New York, Tokyo, and San Francisco.
  • Avoid Night Meetings: Prevent accidentally scheduling meetings during a team member's sleep hours.
  • One-Click Calendar Copy: Copy selected meeting time in all participant local time zones.

How to Use

  1. Search and add 2 or more cities (e.g., San Francisco, London, Sydney).
  2. View side-by-side hourly color-coded grid.
  3. Click a green overlapping slot to copy the meeting time across all zones.

Real Working Example

Input:

Cities: San Francisco (PST), London (GMT), Tokyo (JST)

Output Result:

Optimal Overlap Slot: 4:00 PM GMT = 8:00 AM PST = 1:00 AM JST (+1d)

Important Technical Details & Formulas

  • Color-Coded Working Hour Grid: Green (9am-5pm work), Yellow (8am-9am / 5pm-7pm shoulder), Red (night).
  • Intl.DateTimeFormat Engine: Handles Daylight Saving Time (DST) adjustments dynamically.
  • 100% Local Browser Engine: Zero server latency.

Related Measurement & Time Tools

Frequently Asked Questions

How does the color-coded meeting grid work?

Green indicates standard business working hours (9 AM – 5 PM); yellow indicates early morning/evening; red indicates night.

Does it automatically handle Daylight Saving Time (DST)?

Yes, it uses native IANA time zone data to reflect active DST rules.

Is it free?

Yes, 100% free.

How many cities can I compare at once?

You can add unlimited international cities to compare overlap.

What is the main function of Meeting Timezone Planner?

Find overlapping working hours and optimal meeting times across multiple international time zones. This tool processes meeting timezone planner data 100% locally inside your web browser.