Hong Kong is 16 hours ahead of Los Angeles during PST (winter), and 15 hours ahead during PDT (summer). When it's 9:00 AM in LA, it's 1:00 AM (next day) in Hong Kong. HK does not observe DST.
The time difference shifts by 1 hour when LA switches between PST and PDT while Hong Kong stays on HKT (UTC+8) year-round.
Late afternoon LA works! 4:00 PM - 6:00 PM LA corresponds to 8:00 AM - 10:00 AM Hong Kong (next day). LA evening catches HK morning.
Hong Kong and Los Angeles have strong ties in film (action cinema), finance, and trade. Cathay Pacific operates multiple daily nonstop flights between LAX and HKG. Major gateway for US-China business.