New York is typically 13 hours behind Hong Kong. When it's 3:00 PM in Hong Kong, it's 2:00 AM in New York. Hong Kong does not observe daylight saving time, while New York does.
During US daylight saving time (mid-March to early November), the difference is 12 hours. During US standard time (November to March), it's 13 hours.
Optimal meeting window: 8:00 PM - 10:00 PM New York time (9:00 AM - 11:00 AM Hong Kong next day). This catches morning business hours in Hong Kong.
For evening calls to Hong Kong, schedule 6:00 AM - 8:00 AM New York time (7:00 PM - 9:00 PM Hong Kong same day).