HST to H Converter
Time Difference
Hawaii Standard Time is 18 hours behind Hotel Time Zone
3:30 pm15:30 in HST is 9:30 am09:30 in H
HST to H call time
Best time for a conference call or a meeting is between 4am-6am in HST which corresponds to 10pm-12pm in H
3:30 pm15:30 Hawaii Standard Time (HST). Offset UTC -10:00 hours
9:30 am09:30 Hotel Time Zone (H). Offset UTC +8:00 hours
3:30 pm15:30 HST / 9:30 am09:30 H
HST | H |
---|---|
12am (midnight) | 6pm |
1am | 7pm |
2am | 8pm |
3am | 9pm |
4am | 10pm |
5am | 11pm |
6am | 12am (midnight) |
7am | 1am |
8am | 2am |
9am | 3am |
10am | 4am |
11am | 5am |
12pm (noon) | 6am |
1pm | 7am |
2pm | 8am |
3pm | 9am |
4pm | 10am |
5pm | 11am |
6pm | 12pm (noon) |
7pm | 1pm |
8pm | 2pm |
9pm | 3pm |
10pm | 4pm |
11pm | 5pm |
0:00 | 18:00 |
1:00 | 19:00 |
2:00 | 20:00 |
3:00 | 21:00 |
4:00 | 22:00 |
5:00 | 23:00 |
6:00 | 0:00 |
7:00 | 1:00 |
8:00 | 2:00 |
9:00 | 3:00 |
10:00 | 4:00 |
11:00 | 5:00 |
12:00 | 6:00 |
13:00 | 7:00 |
14:00 | 8:00 |
15:00 | 9:00 |
16:00 | 10:00 |
17:00 | 11:00 |
18:00 | 12:00 |
19:00 | 13:00 |
20:00 | 14:00 |
21:00 | 15:00 |
22:00 | 16:00 |
23:00 | 17:00 |
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
- HAST - Hawaii-Aleutian Standard Time
- CKT - Cook Island Time
- HST - Hawaii Standard Time
- TAHT - Tahiti Time
- W - Whiskey Time Zone
Hotel Time Zone
Offset: H is 8 hours ahead Greenwich Mean Time (GMT) and is used in Military
H representations, usage and related time zones
- +08 - basic short
- +0800 - basic
- +08:00 - extended
- +0800 - sign character (+) followed by a four digit time providing hours (08) and minutes (00) of the offset. Indicates eight hour and zero minutes time differences to the east of the zero meridian.
- Hotel - Military abbreviation for H
- H - short form of 'Hotel'
- ACT - ASEAN Common Time
- AWST - Australian Western Standard Time
- BNT - Brunei Darussalam Time
- CAST - Casey Time
- CHOT - Choibalsan Time
- CST - China Standard Time
- H - Hotel Time Zone
- HKT - Hong Kong Time
- HOVST - Hovd Summer Time
- IRKT - Irkutsk Time
- KRAST - Krasnoyarsk Summer Time
- MYT - Malaysia Time
- PHT - Philippine Time
- SGT - Singapore Time
- ULAT - Ulaanbaatar Time
- WITA - Central Indonesian Time