HST to CST
Convert Hawaii Time — Honolulu to China Time — Shanghai — fast, accurate, and daylight-saving aware.
When it's 9:00 AM in Honolulu, it's 3:00 AM in Shanghai. Shanghai is 18 hours ahead of Honolulu. Use the converter above to turn any HST time into CST, or scan the hour-by-hour table below for the full day.
HST to CST at a glance
Planning a meeting between Honolulu and Shanghai
Honolulu and Shanghai share no standard 9-to-5 overlap, so a live call usually means one side taking an early-morning or late-evening slot. The hourly table below helps you pick the least-inconvenient time for everyone.
Hour-by-hour: Honolulu to Shanghai
A full day mapped from HST to CST.
Frequently asked
Is Shanghai ahead of or behind Honolulu?
Shanghai is 18 hours ahead of Honolulu.
What is 12:00 PM HST in CST?
12:00 PM in Honolulu is 6:00 AM in Shanghai.
Does this converter account for daylight saving time?
Yes. Conversions use the IANA time zone database, so HST and CST automatically reflect the correct daylight-saving offset for the current date.