HST to NZDT Converter
Time Difference
Hawaii Standard Time is 22 hours behind New Zealand Standard Time
1:00 pm13:00 in HST is 11:00 am11:00 in NZST
HST to NZDT call time
Best time for a conference call or a meeting is between 1:30am-3:30am in HST which corresponds to 12:30pm-2:30pm in NZDT
1:00 pm13:00 Hawaii Standard Time (HST). Offset UTC -10:00 hours
11:00 am11:00 New Zealand Standard Time (NZST). Offset UTC +12:00 hours
1:00 pm13:00 HST / 11:00 am11:00 NZST
HST | NZST |
---|---|
12am (midnight) | 10pm |
1am | 11pm |
2am | 12am (midnight) |
3am | 1am |
4am | 2am |
5am | 3am |
6am | 4am |
7am | 5am |
8am | 6am |
9am | 7am |
10am | 8am |
11am | 9am |
12pm (noon) | 10am |
1pm | 11am |
2pm | 12pm (noon) |
3pm | 1pm |
4pm | 2pm |
5pm | 3pm |
6pm | 4pm |
7pm | 5pm |
8pm | 6pm |
9pm | 7pm |
10pm | 8pm |
11pm | 9pm |
0:00 | 22:00 |
1:00 | 23:00 |
2:00 | 0:00 |
3:00 | 1:00 |
4:00 | 2:00 |
5:00 | 3:00 |
6:00 | 4:00 |
7:00 | 5:00 |
8:00 | 6:00 |
9:00 | 7:00 |
10:00 | 8:00 |
11:00 | 9:00 |
12:00 | 10:00 |
13:00 | 11:00 |
14:00 | 12:00 |
15:00 | 13:00 |
16:00 | 14:00 |
17:00 | 15:00 |
18:00 | 16:00 |
19:00 | 17:00 |
20:00 | 18:00 |
21:00 | 19:00 |
22:00 | 20:00 |
23:00 | 21:00 |
Hawaii Standard Time
Offset: HST is 10 hours behind Greenwich Mean Time (GMT) and is used in Pacific
Countries: It is used in following countries: United States
Principal Cities: The largest city in the HST timezone is Honolulu from USA with population about 371,657 people. Other major cities in the area are Pearl City, Hilo, Kailua, Waipahu
Daylight Saving: Hawaii Standard Time (HST) is not adjusted for daylight saving therefore HST remains the same through out the year. This means, unlike some time zones where the clock is set forward by one hour every summer and backward by one hour during winter to adjust for daylight saving, Hawaii Standard Time remains the same

HST representations, usage and related time zones
- -10 - basic short
- -1000 - basic
- -10:00 - extended
- -1000 - sign character (-) followed by a four digit time providing hours (10) and minutes (00) of the offset. Indicates ten hour and zero minutes time differences to the west of the zero meridian.
- Whiskey - Military abbreviation for HST
- W - short form of 'Whiskey'
- America/Adak
- America/Atka
- HST
- Pacific/Honolulu
- Pacific/Johnston
- US/Aleutian
- US/Hawaii
- Hawaii Standard Time - UTC -10
- Hovd Standard Time - UTC +7
- HAST - Hawaii-Aleutian Standard Time
- CKT - Cook Island Time
- HST - Hawaii Standard Time
- TAHT - Tahiti Time
- W - Whiskey Time Zone
New Zealand Daylight Time
Offset: NZDT is 13 hours ahead Greenwich Mean Time (GMT) and is used in Pacific
Countries: It is used in following countries: Antarctica, New Zealand
Principal Cities: The largest city in the NZDT timezone is Auckland from New Zealand with population about 1.535 million people. Other major cities in the area are Wellington, Christchurch, Hamilton, Tauranga

Daylight Saving: New Zealand Daylight Time (NZDT) is a daylight saving/summer time zone, however during winter some places adjust time for one hour back and observe New Zealand Standard Time (NZST).
End: New Zealand Daylight Time (NZDT) has ended on Sunday, April 6, 2025 at 3:00 am local time and clocks were set one hour back to Sunday, April 6, 2025, 2:00 am local standard time instead. Daylight saving ends annually the on first Sunday of April
Start: New Zealand Daylight Time (NZDT) starts on Sunday, September 28, 2025 at 2:00 am local time and clocks are set one hour forward to Sunday, September 28, 2025, 3:00 am. Daylight saving starts annually the on last Sunday of September
NZDT representations, usage and related time zones
- +13 - basic short
- +1300 - basic
- +13:00 - extended
- +1300 - sign character (+) followed by a four digit time providing hours (13) and minutes (00) of the offset. Indicates thirteen hour and zero minutes time differences to the east of the zero meridian.
- Antarctica/McMurdo
- Antarctica/South_Pole
- NZ
- Pacific/Auckland
- FJST - Fiji Summer Time
- NZDT - New Zealand Daylight Time
- PHOT - Phoenix Island Time
- TKT - Tokelau Time
- TOT - Tonga Time
- WST - West Samoa Time
- WSST - West Samoa Standard Time