The flight from San Diego (SAN) to Hong Kong (HKG) takes about 14h 9m nonstop on a widebody airliner, covering 7,356 miles (11,838 km).
Hong Kong is 15 hours ahead of San Diego. You cross 15 time zones heading east. Eastbound trips like this one tend to be harder to adjust to, so plan for a day or two of jet lag.
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