macOS · web · timezone overlap

Global Overlap

Stop doing timezone math. Add the people you work with and see when everyone's working hours line up, then send the slot to Google Calendar, Outlook, Teams, or Meet in one click.

Download for macOS Open the web app

Universal (Apple Silicon & Intel) · macOS 11+
free · no account · no tracking

Global Overlap 9 to 5

New York

⠿14:37

London

⠿19:37

Tokyo

⠿03:37

Everyone's working hours on one timeline. Drag to any hour for the local time in each place.

See the overlap

Everyone's working hours stack on one timeline. The hours where you all overlap light up, so you stop guessing what 3pm means for Tokyo.

Schedule in one click

Found a slot? Send it straight to Google Calendar, Outlook, Teams, or Google Meet, or download an .ics, already filled in for every participant.

Yours, offline

No account, no backend, nothing uploaded. Every city carries its IANA timezone, so daylight saving is handled for you. Pin it to your menu bar or use it in the browser.

Installing

Download the .dmg, drag Global Overlap to Applications, and launch it. On the Mac it lives in your menu bar for a quick glance at the world. Everything runs locally: no account, no server, no tracking. Prefer the browser? Open the web app, it's the same tool, nothing to install.