Best overlap: 2:00 PM to 6:00 PM in Chennai is 8:30 AM to 12:30 PM in Edinburgh.
The best time to meet is 2:00 PM to 6:00 PM in Chennai, which is 8:30 AM to 12:30 PM in Edinburgh. With about 4 hours of overlap, there's comfortable room for a daily stand-up — 2:00 PM in Chennai / 8:30 AM in Edinburgh works well. Note the seasonal wrinkle: when Edinburgh is on daylight saving and Chennai isn't, the gap between them grows or shrinks by an hour.
| 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Chennai 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. -