Best overlap: 2:00 PM to 6:00 PM in Mumbai is 8:30 AM to 12:30 PM in Edinburgh.
Target 2:00 PM to 6:00 PM in Mumbai, which lands at 8:30 AM to 12:30 PM for the Edinburgh side. Edinburgh is 5.5 hours behind Mumbai, so you've got a workable 4-hour overlap — ideal for a standing meeting around 2:00 PM in Mumbai (8:30 AM in Edinburgh). Note that Edinburgh follows daylight saving while Mumbai stays put, so the times above drift by an hour seasonally.
| 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Mumbai Asia/Kolkata | ||||||||||||||||||||||||
Edinburgh Europe/London |
London to New York is five hours apart, except for the five weeks a year when it isn't. Exact overlap windows for every US zone, the 2026 DST mismatch dates, and where to put the recurring sync. -
Swatch once tried to kill time zones with .beats. But could UTC be the serious replacement the world actually needs? -