Honolulu is 18 hours behind Shenzhen
Best overlap: 8:00 AM to 12:00 PM in Shenzhen is 2:00 PM to 6:00 PM in Honolulu.
Aim for 8:00 AM to 12:00 PM Shenzhen time — that's 2:00 PM to 6:00 PM over in Honolulu. Honolulu is 18 hours behind Shenzhen, leaving about 4 hours of daily overlap — enough for most meetings if you don't leave them too late in the day. This window straddles two dates — Shenzhen's today is Honolulu's the previous day.