Hawaii to United States time conversion

Time in Hawaii

HSTUTC-10Not observed

Time in United States

EDTUTC-4Daylight saving time

United States is 6 hours ahead of Hawaii. After the next clock change (): United States is 5 hours ahead of Hawaii.

Time difference with your location

Hawaii is 10 hours behind UTC. Compare with your local time →

Choose a date and time

Choose the local time in Hawaii to convert it to United States on that date.

United States to Hawaii time conversion

Skipped clock-change times are unavailable; a repeated time uses its first occurrence.

24-hour conversion chart · Hawaii → United States

This table converts each hour in Hawaii to United States on 2026-10-21.

  • Working hours
  • Outside working hours
  • Night hours
HawaiiUnited StatesShared working hours
00:0012:00 AM 06:006:00 AM
01:001:00 AM 07:007:00 AM
02:002:00 AM 08:008:00 AM
03:003:00 AM 09:009:00 AM
04:004:00 AM 10:0010:00 AM
05:005:00 AM 11:0011:00 AM
06:006:00 AM 12:0012:00 PM
07:007:00 AM 13:001:00 PM
08:008:00 AM 14:002:00 PM ✓
09:009:00 AM 15:003:00 PM ✓
10:0010:00 AM 16:004:00 PM ✓
11:0011:00 AM 17:005:00 PM ✓
12:0012:00 PM 18:006:00 PM
13:001:00 PM 19:007:00 PM
14:002:00 PM 20:008:00 PM
15:003:00 PM 21:009:00 PM
16:004:00 PM 22:0010:00 PM
17:005:00 PM 23:0011:00 PM
18:006:00 PM 00:0012:00 AM +1 day
19:007:00 PM 01:001:00 AM +1 day
20:008:00 PM 02:002:00 AM +1 day
21:009:00 PM 03:003:00 AM +1 day
22:0010:00 PM 04:004:00 AM +1 day
23:0011:00 PM 05:005:00 AM +1 day

Quick conversion examples

These examples convert local times in Hawaii to United States on 2026-10-21.

Conversion formula: United States = Hawaii + 6h · Hawaii + 5h.

HawaiiUnited States
6:00 AM Hawaii= 12:00 PM United States
7:00 AM Hawaii= 1:00 PM United States
8:00 AM Hawaii= 2:00 PM United States
9:00 AM Hawaii= 3:00 PM United States
10:00 AM Hawaii= 4:00 PM United States
12:00 PM Hawaii= 6:00 PM United States
3:00 PM Hawaii= 9:00 PM United States
5:00 PM Hawaii= 11:00 PM United States
6:00 PM Hawaii= 12:00 AM United States (+1 day)
8:00 PM Hawaii= 2:00 AM United States (+1 day)

Overlapping meeting hours

The 08:00–18:00 working day in Hawaii and United States overlaps for 4 hours on 2026-10-21.

Shared working hours
08:00–12:00 Hawaii · 14:00–18:00 United States

Clock changes on both sides, 2026–2028

Hawaii and United States have the following local clock changes in 2026–2028; all times in the table are local to that side.

YearHawaiiUnited States
2026 No clock changes; UTC-10 all year.

· 02:00 → 03:00
UTC-5 → UTC-4

· 02:00 → 01:00
UTC-4 → UTC-5

2027 No clock changes; UTC-10 all year.

· 02:00 → 03:00
UTC-5 → UTC-4

· 02:00 → 01:00
UTC-4 → UTC-5

2028 No clock changes; UTC-10 all year.

· 02:00 → 03:00
UTC-5 → UTC-4

· 02:00 → 01:00
UTC-4 → UTC-5

At the start of 2026, United States is 5 hours ahead of Hawaii. The difference changes during the following periods.

  • From 2026-03-07 21:00 Hawaii until 2026-10-31 20:00 Hawaii, United States is 6 hours ahead of Hawaii.
  • From 2027-03-13 21:00 Hawaii until 2027-11-06 20:00 Hawaii, United States is 6 hours ahead of Hawaii.
  • From 2028-03-11 21:00 Hawaii until 2028-11-04 20:00 Hawaii, United States is 6 hours ahead of Hawaii.

Frequently asked questions

What time is 9 AM Hawaii in United States?

9:00 AM Hawaii = 3:00 PM United States, using UTC-10 and UTC-4. Choose a date above for the seasonal local time.

Does the time difference between Hawaii and United States change during the year?

Yes. During 2026–2028: United States is 5 hours ahead of Hawaii; United States is 6 hours ahead of Hawaii. The clock-change table gives the dates for both sides.

How do I tell whether it is day or night in United States?

Read the United States clock above: this guide counts 06:00–18:00 local time as daytime and the rest as nighttime, without using sunrise and sunset.

What is the best time to call between Hawaii and United States?

The shared 08:00–18:00 working window is 08:00–12:00 Hawaii / 14:00–18:00 United States, a total of 4 hours.

What is the time difference between Hawaii and United States now?

Right now, United States is 6 hours ahead of Hawaii. Conversion formula: United States = Hawaii + 6h · Hawaii + 5h.