HST — Hawaii Standard Time
UTC-10:00 · 10 hours behind UTC
Details
| Abbreviation | HST |
| Full name | Hawaii Standard Time |
| UTC offset | UTC-10:00 |
| IANA identifier | Pacific/Honolulu |
| DST | Not observed |
Countries Using HST
Time Difference from HST
| City | Difference |
|---|---|
| New York | -6h |
| Chicago | -5h |
| Los Angeles | -3h |
| London | -11h |
| Paris | -12h |
| Moscow | -13h |
| Dubai | -14h |
| Mumbai | -15h 30m |
| Bangkok | -17h |
| Shanghai | -18h |
| Tokyo | -19h |
| Sydney | -20h |
| Auckland | -22h |
Using HST in practice
Planning notes for business hours, handoffs, and recurring meetings in this timezone.
Right now
It is currently overnight in HST, which is outside typical calling hours. Standard business-hour checks should use 9:00 AM-5:00 PM local time.
Best overlap
The best listed workday overlap is with Auckland: 11:00 AM-5:00 PM HST equals 9:00 AM-3:00 PM there.
Recurring events
This zone has no listed DST shift, which keeps recurring events simpler across the year.
| Market | HST | Their time |
|---|---|---|
| Auckland | 11:00 AM-5:00 PM | 9:00 AM-3:00 PM |
| Los Angeles | 9:00 AM-2:00 PM | 12:00 PM-5:00 PM |
| Sydney | 1:00 PM-5:00 PM | 9:00 AM-1:00 PM |
| Chicago | 9:00 AM-12:00 PM | 2:00 PM-5:00 PM |
| Tokyo | 2:00 PM-5:00 PM | 9:00 AM-12:00 PM |
| New York | 9:00 AM-11:00 AM | 3:00 PM-5:00 PM |
Convert HST to Other Time Zones
About HST (Hawaii Standard Time)
HST (Hawaii Standard Time) is a time zone with a UTC offset of -10:00, meaning it is 10 hours behind UTC. The IANA timezone database identifies it as Pacific/Honolulu. It is used in 1 country, including United States.
HST does not observe daylight saving time. The UTC offset of -10:00 remains the same throughout the year, which simplifies scheduling with locations in this time zone.
Major cities in HST include Honolulu.
Frequently Asked Questions
What is HST?
HST stands for Hawaii Standard Time. It is 10 hours behind UTC (UTC-10:00). The IANA timezone identifier is Pacific/Honolulu.
What is the current time in HST?
The current HST time is shown at the top of this page and updates every second. HST is UTC-10:00, which is 10 hours behind UTC.
Does HST observe daylight saving time?
No, HST does not observe daylight saving time. The UTC offset of -10:00 remains constant throughout the year.
What countries use HST?
Countries and regions using HST include United States.
How do I convert HST to my local time?
Use our time zone converter to convert HST to any other time zone. You can also check the time difference table on this page which shows the offset between HST and 13 major world cities.