HST to UTC Time Converter - Live World Clock

Convert time between Hawaii Standard Time (HST) and Coordinated Universal Time (UTC). See current time with live clocks.

United States (HST)

1
2
3
4
5
6
7
8
9
10
11
12
07:27:46 AM
Thursday, August 20, 2026

International Standard (UTC)

1
2
3
4
5
6
7
8
9
10
11
12
05:27:46 PM
Thursday, August 20, 2026

Current Time Difference

HST is -10 hours behind UTC

What is HST (Hawaii Standard Time)?

Hawaii Standard Time (HST) used in Hawaii, UTC-10:00. No DST observed.

Countries and Regions Using HST

Primary Country:

  • United States
  • States: Hawaii

Key Facts about HST:

  • ✓ No Daylight Saving Time
  • ✓ Major tourism destination
  • ✓ Pacific island timezone
  • ✓ Major Cities: Honolulu, Pearl City, Hilo
  • ✓ UTC Offset: -10:00

What is UTC (Coordinated Universal Time)?

Coordinated Universal Time (UTC) is the primary time standard globally, UTC+0:00.

Countries and Regions Using UTC

Primary Country:

  • International Standard

Key Facts about UTC:

  • ✓ Global time standard
  • ✓ Used for international coordination
  • ✓ No geographic location
  • ✓ Major Cities: Used worldwide for coordination
  • ✓ UTC Offset: +0:00

HST to UTC Time Difference

Standard Time Difference:

HST is -10 hours behind

Common Use Cases:

  • • Business meetings between United States and International Standard
  • • International collaboration across timezones
  • • Scheduling calls and conferences

Frequently Asked Questions

Which countries are in HST time zone?

United States is the primary country using HST (-10:00).

Which countries are in UTC time zone?

International Standard is the primary country using UTC (+0:00).

How many hours is HST ahead of UTC?

HST is -10 hours behind UTC.

Does United States observe Daylight Saving Time?

No, United States does not observe Daylight Saving Time. HST remains -10:00 throughout the year.