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NUT
Niue Time
GMT -11
12am
3am
6am
9am
12pm
3pm
6pm
9pm
HAST/HADT
Hawaii-Aleutian Standard Time
GMT -10
12am
3am
6am
9am
12pm
3pm
6pm
9pm
HADT is not used on this date
This converter uses HAST (GMT -10), the offset Adak uses on this date. Open the HAST converter.

Quick answers

For most of the year, NUT is 2 hours behind HADT. During seasonal clock changes, NUT is 1 hour behind HAST.

For most of the year, working hours of 9:00 am to 5:00 pm in NUT correspond to 11:00 am to 7:00 pm in HADT. During seasonal clock changes, working hours of 9:00 am to 5:00 pm in NUT correspond to 10:00 am to 6:00 pm in HAST.

Compare NUT time with HADT 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-Aleutian Standard Time
1:00 am01:00 in NUT is 2:00 am02:00 in HAST

NUT to HAST call time
Best time for a conference call or a meeting is between 9am-4pm in NUT which corresponds to 10am-5pm in HAST

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

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

NUTHAST
12am (midnight)1am
1am2am
2am3am
3am4am
4am5am
5am6am
6am7am
7am8am
8am9am
9am10am
10am11am
11am12pm (noon)
12pm (noon)1pm
1pm2pm
2pm3pm
3pm4pm
4pm5pm
5pm6pm
6pm7pm
7pm8pm
8pm9pm
9pm10pm
10pm11pm
11pm12am (midnight)
00:0001:00
01:0002:00
02:0003:00
03:0004:00
04:0005:00
05:0006:00
06:0007:00
07:0008:00
08:0009:00
09:0010:00
10:0011:00
11:0012:00
12:0013:00
13:0014:00
14:0015:00
15:0016:00
16:0017:00
17:0018:00
18:0019:00
19:0020:00
20:0021:00
21:0022:00
22:0023:00
23:0000:00

Niue Time

Offset: NUT is 11 hours behind Greenwich Mean Time (GMT) and is used in Pacific

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.

NUT Time Zone Geo Map
NUT timezone map

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-Aleutian Daylight Time

Offset: HADT is 9 hours behind Greenwich Mean Time (GMT) and is used in North America

Daylight Saving: Hawaii-Aleutian Daylight Time (HADT) is a daylight saving/summer time zone, but some places set clocks back one hour during winter and observe Hawaii-Aleutian Standard Time (HAST).

Daylight saving time clock moves forward for one hour from 2am to 3amEnd: Hawaii-Aleutian Daylight Time (HADT) ended on Sunday, November 2, 2025 at 2:00 am local time and clocks were set one hour back to Sunday, November 2, 2025, 1:00 am local standard time instead. Daylight saving ends annually on the first Sunday of November

Daylight saving time clock moves back for one hour from 2am to 1amStart: Hawaii-Aleutian Daylight Time (HADT) starts on Sunday, March 8, 2026 at 2:00 am local time and clocks are set one hour forward to Sunday, March 8, 2026, 3:00 am. Daylight saving starts annually on the second Sunday of March

HADT representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • -09 - basic short
  • -0900 - basic
  • -09:00 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • -0900 - sign character (-) followed by a four digit time providing hours (09) and minutes (00) of the offset. Indicates an offset of nine hours to the west of the zero meridian.
Military/NATO: Used by the U.S. military, Chinese military and others
  • Victor - Military abbreviation for HADT
  • V - short form of 'Victor'
Time zones with the GMT -9 offset:
  • AKST - Alaska Standard Time
  • AHDT - Alaska-Hawaii Daylight Time
  • HADT - Hawaii-Aleutian Daylight Time
  • GAMT - Gambier Time
  • HDT - Hawaii Daylight Time
  • V - Victor Time Zone