There is no standard 8-to-6 overlap. Someone joins early or late.
Set against a 13-hour difference, Denver and Ho Chi Minh City run their workdays on completely separate schedules. Block a single recurring off-hours slot that both teams agree on, rather than negotiating a new awkward time every week. For part of the year the maths changes: Denver observes daylight saving, Ho Chi Minh City does not, shifting the overlap 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Denver America/Denver | ||||||||||||||||||||||||
Ho Chi Minh City Asia/Ho Chi Minh |
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. -
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