UTC to HST
Convert Coordinated Universal Time to Hawaii Time — Honolulu — fast, accurate, and daylight-saving aware.
When it's 9:00 AM in UTC, it's 11:00 PM in Honolulu the previous day. Honolulu is 10 hours behind UTC. Use the converter above to turn any UTC time into HST, or scan the hour-by-hour table below for the full day.
UTC to HST at a glance
Planning a meeting between UTC and Honolulu
UTC and Honolulu 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: UTC to Honolulu
A full day mapped from UTC to HST.
Frequently asked
Is Honolulu ahead of or behind UTC?
Honolulu is 10 hours behind UTC.
What is 12:00 PM UTC in HST?
12:00 PM in UTC is 2:00 AM in Honolulu.
Does this converter account for daylight saving time?
Yes. Conversions use the IANA time zone database, so UTC and HST automatically reflect the correct daylight-saving offset for the current date.