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International Meeting Timezone Overlap Planner

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Visualize 24-hour working-hour overlaps across global remote teams using live IANA DST-aware timezones, jump straight to top golden meeting windows, and copy clean multi-timezone meeting summaries for Slack or email.

100% In-Browser No Server Storage Instant Results
Best UTC Slots:
Selected Meeting Window (13:00 UTC)
Work (09–18h) Stretch (07–09 / 18–22h) Off / Sleep
Ho Chi Minh / Hanoi
20:00
Sat, Nov 14 · GMT+7
New York (EST/EDT)
08:00
Sat, Nov 14 · GMT-5
London (GMT/BST)
13:00
Sat, Nov 14 · GMT+0
Ho Chi Minh / Hanoi
New York (EST/EDT)
London (GMT/BST)
Meeting: Product Sync
- Ho Chi Minh / Hanoi: Sat, Nov 14 at 20:00 (GMT+7)
- New York (EST/EDT): Sat, Nov 14 at 08:00 (GMT-5)
- London (GMT/BST): Sat, Nov 14 at 13:00 (GMT+0)

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How It Works Under the Hood

Native Intl.DateTimeFormat IANA timezone evaluators calculate exact DST-accurate local hours and offsets across every city slot for a chosen calendar date, scoring all 24 hours by core 09:00–18:00 overlap.

Step-by-Step Instructions

1

Select your meeting date and add/remove team cities across timezones.

2

Click any top Best UTC Slot badge or drag the 24-hour timeline slider.

3

Copy the formatted multi-timezone meeting snippet straight into Slack, Discord, or email.

Key Features & Performance

  • Automatic Daylight Saving Accuracy: Uses native IANA timezone rules for US, UK, EU, and AU DST shifts
  • Golden Hour Scoring: Highlights top UTC slots maximizing core 09:00–18:00 work windows
  • 24-Hour Color Heatmap Grid: Spot stretch vs. sleep hours at a glance
  • Instant Invite Formatter: Generates clean multi-city bulleted schedules

Local Browser Processing & Privacy

Traditional web converters upload your documents, snippets, or media files to remote servers. International Meeting Timezone Overlap Planner runs inside your browser tab:

Processed in This Tab

Your input text and files are processed locally without uploading payloads to a processing server.

No Tool Payload Logging

Microdeck does not log or store the files or inputs you paste into tool workspaces (normal static hosting/CDN requests still load page assets).

Tab Memory Lifecycle

Working outputs stay in your browser tab and are released when you reset the tool or close the tab.

Frequently Asked Questions

Does this handle US/Europe Daylight Saving Time changes automatically?

Yes. Choosing any future date recalculates exact DST offsets via browser IANA timezone databases automatically.

What do Work, Stretch, and Off colors represent?

Green marks core 09:00–18:00 workday hours, amber marks flexible early/evening hours (07:00–09:00 or 18:00–22:00), and gray marks overnight sleep hours.

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