There is no standard 8-to-6 overlap. Someone joins early or late.
San Francisco and Ho Chi Minh City sit on opposite ends of the clock — a 14-hour gap leaves no common business hours to work with. Lean on recorded updates, shared docs, and clear handoffs so the 14-hour gap doesn't stall progress between meetings. Note the seasonal wrinkle: when San Francisco is on daylight saving and Ho Chi Minh City 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
San Francisco America/Los Angeles | ||||||||||||||||||||||||
Ho Chi Minh City Asia/Ho Chi Minh |
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