Live time slider
Drag across any UTC moment of the day. All city timelines update instantly.
Up to 5 cities
Compare working hours across your whole team - see the exact overlap window in seconds.
Shareable meeting card
Generate a PNG card with each city's local time. Download or copy-to-clipboard.
No data, no sign-up
Runs entirely in your browser. Nothing is sent to a server. No account needed.
Overlap Coordinator
Select cities and find your window
Click a city marker on the globe to add or remove it
Live clocks
Shareable meeting card
Download or copy a PNG to share with your team
Cities (2-5)
Working hour overlap
How it works
Search and add 2-5 cities
Drag the UTC slider to any time
Green zone = everyone is in working hours (9am-6pm local)
Generate a shareable card to send your team
Tired of the timezone math?
Select your cities above and the overlap window appears automatically - no spreadsheet required.