Time-Zone Visualizer

Compare time across cities and find overlapping business hours

Your Local Time · UTC

11:59:17 PM

Sun, Jul 12

12 am6 am12 pm6 pm12 am

New York

Sun, Jul 12

7:59:17 PM
12 am6 am12 pm6 pm12 am

London

Mon, Jul 13

12:59:17 AM
12 am6 am12 pm6 pm12 am

Tokyo

Mon, Jul 13

8:59:17 AM
12 am6 am12 pm6 pm12 am
Business hoursOutside hours

Remote workers and global teams spend too much time mentally converting between time zones. This tool shows live clocks for any combination of cities and highlights which ones are currently inside business hours (9 am–5 pm local time) so you can spot scheduling windows without doing the math.

All conversions use your browser's built-in time APIs with full IANA time-zone support, so daylight saving time is always handled correctly — no stale UTC-offset tables. Add or remove cities at any time to build the comparison view your team actually needs.

How to Use

  1. 1Your local time is detected and displayed automatically at the top.
  2. 2Click ‘Add City’ to add any city from around the world — their current time updates live every second.
  3. 3The business hours bar shows you at a glance which cities are currently within standard 9am–5pm working hours.

Frequently Asked Questions

How many cities can I add?
You can add as many cities as you need — the list scrolls cleanly on both desktop and mobile.
Does it handle daylight saving time correctly?
Yes — we use IANA timezone identifiers (not fixed UTC offsets) which automatically account for daylight saving time changes in every region.
Does it save my city list?
Not currently — your list resets when you close the tab. This keeps the tool completely private with no data stored anywhere.
What does the green color on the business hours bar mean?
Green means that city is currently within standard business hours (9am–5pm local time). Gray means they’re currently outside those hours.