HST to Z Converter
Quick answers
HST is 10 hours behind Z. HST uses GMT -10, and Z uses GMT +0 for this comparison.
For example, 2:00 am HST is 12:00 pm Z. Use the converter above to adjust the date or time and create a shareable meeting link.
Best meeting overlap: 7:30am-8:30am HST, which is 5:30pm-6:30pm Z.
Compare HST time with Z time, including current local time, UTC offsets, time difference, daylight saving changes, working hours, and shareable meeting times.
Time Difference
Hawaii Standard Time is 10 hours behind Zulu Time Zone
2:00 am02:00 in HST is 12:00 pm12:00 in Z
HST to Z call time
Best time for a conference call or a meeting is between 7:30am-8:30am in HST which corresponds to 5:30pm-6:30pm in Z
2:00 am02:00 Hawaii Standard Time (HST). Offset UTC -10:00 hours
12:00 pm12:00 Zulu Time Zone (Z). Offset UTC 0:00 hours
2:00 am02:00 HST / 12:00 pm12:00 Z
| HST | Z |
|---|---|
| 12am (midnight) | 10am |
| 1am | 11am |
| 2am | 12pm (noon) |
| 3am | 1pm |
| 4am | 2pm |
| 5am | 3pm |
| 6am | 4pm |
| 7am | 5pm |
| 8am | 6pm |
| 9am | 7pm |
| 10am | 8pm |
| 11am | 9pm |
| 12pm (noon) | 10pm |
| 1pm | 11pm |
| 2pm | 12am (midnight) |
| 3pm | 1am |
| 4pm | 2am |
| 5pm | 3am |
| 6pm | 4am |
| 7pm | 5am |
| 8pm | 6am |
| 9pm | 7am |
| 10pm | 8am |
| 11pm | 9am |
| 00:00 | 10:00 |
| 01:00 | 11:00 |
| 02:00 | 12:00 |
| 03:00 | 13:00 |
| 04:00 | 14:00 |
| 05:00 | 15:00 |
| 06:00 | 16:00 |
| 07:00 | 17:00 |
| 08:00 | 18:00 |
| 09:00 | 19:00 |
| 10:00 | 20:00 |
| 11:00 | 21:00 |
| 12:00 | 22:00 |
| 13:00 | 23:00 |
| 14:00 | 00:00 |
| 15:00 | 01:00 |
| 16:00 | 02:00 |
| 17:00 | 03:00 |
| 18:00 | 04:00 |
| 19:00 | 05:00 |
| 20:00 | 06:00 |
| 21:00 | 07:00 |
| 22:00 | 08:00 |
| 23:00 | 09:00 |
Hawaii Standard Time
Offset: HST is 10 hours behind Greenwich Mean Time (GMT) and is used in Pacific
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 371,657 people. Other major cities in this time zone include Pearl City, Hilo, Kailua, Waipahu.
Daylight Saving: Clocks in Hawaii Standard Time (HST) do not change for daylight saving time, so HST stays the same throughout the year. Other time zones may set clocks forward in summer and back in winter.
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 an offset of ten hours 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
- HAST - Hawaii-Aleutian Standard Time
- CKT - Cook Island Time
- HST - Hawaii Standard Time
- TAHT - Tahiti Time
- W - Whiskey Time Zone
Zulu Time Zone
Offset: Z is 0 hours ahead Greenwich Mean Time (GMT) and is used in Military
Coordinated Universal Time (UTC) is the world time standard that regulates clocks and time. It is successor to Greenwich Mean Time (GMT). For casual use, UTC is the same as GMT, but is used by the scientific community.
UTC is the time standard commonly used across the world since 1972. It is used in many technical fields, like aviation industry and meteorologists, also used to synchronize time across internet networks.
Z representations, usage and related time zones
- Z - is the zone designator for the zero UTC/GMT offset, also known as 'Zulu' time
- +00 - basic short
- +0000 - basic
- +00:00 - extended
- +0000 - sign character (+) followed by a four digit time providing hours (00) and minutes (00) of the offset. Indicates the zero UTC/GMT offset.
- Zulu - Military abbreviation for Z
- Z - short form of 'Zulu'
- EGST - Eastern Greenland Summer Time
- GMT - Greenwich Mean Time
- WET - Western European Time
- AZOST - Azores Summer Time
- UTC - Universal Time Coordinated
- WT - Western Sahara Standard Time
- Z - Zulu Time Zone