Updating current time…
NUT
UTC−11
12am
3am
6am
9am
12pm
3pm
6pm
9pm
HST
UTC−10
1h ahead
12am
3am
6am
9am
12pm
3pm
6pm
9pm

Quick answers

Selected conversion

1:00 am01:00 NUT (UTC-11), Nov 4, 2026 = 2:00 am02:00 HST (UTC-10), Nov 4, 2026

NUT is 1 hour behind HST.

NUT and HST examples

These examples always use NUT (UTC-11) and HST (UTC-10). They stay the same when you change the date or time above. The selected conversion may differ when daylight saving time applies.

NUT is 1 hour behind HST.

How the time difference changes

NUT is 1 hour behind HST year-round.

Working hours of 9:00 am to 6:00 pm in NUT correspond to 10:00 am to 7:00 pm in HST.Working hours of 09:00 to 18:00 in NUT correspond to 10:00 to 19:00 in HST.

Compare NUT time with HST time, including current local time, UTC offsets, time difference, daylight saving changes, working hours, and shareable meeting times.

Time Difference

Niue Time is 1 hour behind Hawaii Standard Time.
1:00 am01:00 in NUT is 2:00 am02:00 in HST

NUT to HST call time
Best time for a conference call or a meeting is between 9am-5pm09:00-17:00 in NUT which corresponds to 10am-6pm10:00-18:00 in HST

1:00 am01:00 Niue Time (NUT). Offset UTC -11:00 hours
2:00 am02:00 Hawaii Standard Time (HST). Offset UTC -10:00 hours

1:00 am01:00 NUT / 2:00 am02:00 HST

Choose an hour to update the converter. Day labels such as “next day” or “+1” are relative to the selected date in the first column. Use Up and Down arrow keys, Home or End to move between hours, then Enter or Space to select.

Hourly time comparison
NUTHST
1:00am
2:00am
3:00am
4:00am
5:00am
6:00am
7:00am
8:00am
9:00am
10:00am
11:00am
12:00pm
1:00pm
2:00pm
3:00pm
4:00pm
5:00pm
6:00pm
7:00pm
8:00pm
9:00pm
10:00pm
11:00pm
12:00am next day
01:00
02:00
03:00
04:00
05:00
06:00
07:00
08:00
09:00
10:00
11:00
12:00
13:00
14:00
15:00
16:00
17:00
18:00
19:00
20:00
21:00
22:00
23:00
00:00 next day

Niue Time

Offset: NUT is 11 hours behind Greenwich Mean Time (GMT).

Countries using this time zone: Niue

Principal Cities: The largest city in the NUT time zone is Alofi in Niue, with about 624 people.

Daylight Saving: Clocks in Niue Time (NUT) do not change for daylight saving time, so NUT stays the same throughout the year. Other time zones may set clocks forward in summer and back in winter; see upcoming clock changes worldwide.

NUT representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • -11 - basic short
  • -1100 - basic
  • -11:00 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • -1100 - sign character (-) followed by a four digit time providing hours (11) and minutes (00) of the offset. Indicates an offset of eleven hours to the west of the zero meridian.
Military/NATO: Used by the U.S. military, Chinese military and others
  • X-ray - Military abbreviation for NUT
  • X - short form of 'X-ray'
Time zones with the GMT -11 offset:
  • NUT - Niue Time
  • SST - Samoa Standard Time
  • X - X-ray Time Zone

Hawaii Standard Time

Offset: HST is 10 hours behind Greenwich Mean Time (GMT).

Countries using this time zone: United States

Principal Cities: The largest city in the HST time zone is Honolulu in the United States, with about 350,964 people. Other major cities in this time zone include Pearl City, Hilo, Kailua, Waipahu.

Daylight Saving: Some places on Hawaii Standard Time (HST) keep the same time all year, while others use HST for only part of the year and change their clocks for daylight saving time; see upcoming clock changes worldwide.

Map of the areas on Hawaii Standard Time (HST)
HST all year HST part of the year

Today all shaded areas are on HST.

HST representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • -10 - basic short
  • -1000 - basic
  • -10:00 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • -1000 - sign character (-) followed by a four digit time providing hours (10) and minutes (00) of the offset. Indicates an offset of ten hours to the west of the zero meridian.
Military/NATO: Used by the U.S. military, Chinese military and others
  • Whiskey - Military abbreviation for HST
  • W - short form of 'Whiskey'
IANA/Olson: Reflects HST time zone boundaries defined by political bodies, primarily intended for use with computer programs and operating systems
  • America/Adak
  • America/Atka
  • HST
  • Pacific/Honolulu
  • Pacific/Johnston
  • US/Aleutian
  • US/Hawaii
Time zones with the GMT -10 offset:
  • HAST - Hawaii-Aleutian Standard Time
  • CKT - Cook Island Time
  • HST - Hawaii Standard Time
  • TAHT - Tahiti Time
  • W - Whiskey Time Zone