HST to UTC converter

Hawaii Time (Honolulu) to Coordinated Universal Time (the world reference time).

HST2:07 PMFri 30 Oct 2026

→

UTC12:07 AMSat 31 Oct 2026

UTC is 10 h ahead of HST.

Pick a time in HST

⇄ UTC to HST

9:00 AM HST = 7:00 PM UTC same day

Best time to meet

No hour falls inside 9 AM to 5 PM in both places. The least painful: around 9:00 AM HST, which is 7:00 PM UTC.

HST to UTC time table

For 30 Oct 2026. Green rows: both sides between 9 AM and 5 PM.

HST	UTC
12:00 AM HST	10:00 AM UTC
1:00 AM HST	11:00 AM UTC
2:00 AM HST	12:00 PM UTC
3:00 AM HST	1:00 PM UTC
4:00 AM HST	2:00 PM UTC
5:00 AM HST	3:00 PM UTC
6:00 AM HST	4:00 PM UTC
7:00 AM HST	5:00 PM UTC
8:00 AM HST	6:00 PM UTC
9:00 AM HST	7:00 PM UTC
10:00 AM HST	8:00 PM UTC
11:00 AM HST	9:00 PM UTC
12:00 PM HST	10:00 PM UTC
1:00 PM HST	11:00 PM UTC
2:00 PM HST	12:00 AM UTC next day
3:00 PM HST	1:00 AM UTC next day
4:00 PM HST	2:00 AM UTC next day
5:00 PM HST	3:00 AM UTC next day
6:00 PM HST	4:00 AM UTC next day
7:00 PM HST	5:00 AM UTC next day
8:00 PM HST	6:00 AM UTC next day
9:00 PM HST	7:00 AM UTC next day
10:00 PM HST	8:00 AM UTC next day
11:00 PM HST	9:00 AM UTC next day

Quick answers

9:00 AM HST = 7:00 PM UTC
12:00 PM HST = 10:00 PM UTC
3:00 PM HST = 1:00 AM UTC (next day)
5:00 PM HST = 3:00 AM UTC (next day)
9:00 AM UTC = 11:00 PM HST (previous day)
12:00 PM UTC = 2:00 AM HST
5:00 PM UTC = 7:00 AM HST

Does the gap change during the year?

No. UTC is 10 h ahead of HST all year.

HST does not change its clocks. UTC does not change its clocks.

About HST and UTC

HST here means Hawaii Time, the clock in Honolulu. Right now it is UTC−10. It has no daylight saving.

UTC here means Coordinated Universal Time, the clock in the world reference time. Right now it is UTC+0. It has no daylight saving.

Every city on your wrist

Meanwhile puts these times in your Mac menu bar, on your iPhone home screen and on your Apple Watch. Type “3pm Tokyo” and every city answers. Free for 3 cities. Unlock every city on every device once for $4.99, shared with your family. No subscription.

Coming soon