Time Zone Converter & Meeting Planner

Compare working hours across your team. Green = working hours, red = sleeping.

LocationNow / Meeting000102030405060708091011121314151617181920212223
UTC
UTC · GMT+0
03:39
Thu, Oct 15
01234567891011121314151617181920212223
New York
America/New_York · GMT-4
23:39
Wed, Oct 14
20212223012345678910111213141516171819
London
Europe/London · GMT+1
04:39
Thu, Oct 15
12345678910111213141516171819202122230
Tokyo
Asia/Tokyo · GMT+9
12:39
Thu, Oct 15
91011121314151617181920212223012345678
Work hours (9-17)Extended (7-22)Night

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Running a remote team across time zones

Remote and hybrid teams are the default in 2026. The single biggest productivity killer isn't tooling — it's mis-scheduled meetings that force half the team to join at 6 AM or 11 PM. This planner visualizes everyone's working hours as one grid so you can spot overlap windows instantly.

The three overlap windows

  • Global (all-hands) — usually 1-2 hours a day exist worldwide; look for the widest green stripe.
  • Regional pairs — US ↔ EU (13:00-17:00 UTC), EU ↔ APAC (07:00-11:00 UTC), US ↔ APAC (nearly impossible; async only).
  • Async-first zones — anything requiring 3+ people across 3+ continents. Rotate meeting inconvenience fairly.

DST and offset gotchas

Never store meeting times as UTC offsets like "+05:00". Store them as IANA zones like Europe/Istanbul. Countries change DST rules unpredictably — Turkey abolished DST in 2016, Russia in 2011, most of Mexico in 2022. IANA zones handle these automatically; hardcoded offsets don't.

Reaching international users

Serving users in 180+ countries means every product notification, transactional email and SMS needs local-time awareness. If you send SMS verification codes, use country-local virtual numbers so codes arrive fast and appear trustworthy (local sender IDs get through carrier filters far better than international ones).