The link is the account: building a no-signup, real-time timezone board
Why timezoners.com has no login, how Supabase realtime keeps a shared board in sync, and the timezone math behind the overlap grid. -
There is no standard 8-to-6 overlap. Someone joins early or late.
Coordinating Auckland and Lisbon is tricky: 11 hours of separation means their standard hours don't intersect. Async-first is your friend here. Reserve real-time meetings for the rare occasions someone can log on before or after hours.
| Local time | 12am | 1am | 2am | 3am | 4am | 5am | 6am | 7am | 8am | 9am | 10am | 11am | 12pm | 1pm | 2pm | 3pm | 4pm | 5pm | 6pm | 7pm | 8pm | 9pm | 10pm | 11pm |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Auckland Pacific/Auckland | ||||||||||||||||||||||||
Lisbon Europe/Lisbon |
Why timezoners.com has no login, how Supabase realtime keeps a shared board in sync, and the timezone math behind the overlap grid. -
WorldTimeBuddy is a very good time converter. Timezoners is a shared overlap board for a team you meet with every week. An honest comparison of where each one wins. -
Long-distance relationships, parents working overseas, grandkids in Auckland and grandparents in London. The work guides do not really apply. Here is a practical playbook for keeping family relationships strong across time zones. -