Houston is typically 14 hours behind Hong Kong. When it's 10:00 PM in Hong Kong, it's 8:00 AM the same day in Houston. Hong Kong does not observe daylight saving time, but Houston does.
During US daylight saving time (March to November), the difference is 13 hours. During US standard time (November to March), the difference increases to 14 hours.
Optimal meeting window: 6:00 AM - 8:00 AM Houston time (7:00 PM - 9:00 PM Hong Kong, or 8:00 PM - 10:00 PM in winter). Early morning Houston catches evening Hong Kong.
Houston's energy sector has strong ties to Hong Kong's financial markets, with many oil and gas companies raising capital and trading commodities through Hong Kong exchanges.