There is no standard 8-to-6 overlap. Someone joins early or late.
Ho Chi Minh City is 11 hours ahead of New York, which is far enough that a normal 9-to-5 in one city never reaches the other's working hours. One practical option: New York dials in early while it's still late afternoon or evening in Ho Chi Minh City. Keep an eye on the calendar — New York observes daylight saving and Ho Chi Minh City doesn't, which nudges this window by an hour twice a year.
| 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
New York America/New York | ||||||||||||||||||||||||
Ho Chi Minh City Asia/Ho Chi Minh |
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