ChST to HST Converter
Time Difference
Chamorro Standard Time is 20 hours ahead of Hawaii Standard Time
3:30 am03:30 in ChST is 7:30 am07:30 in HST
ChST to HST call time
Best time for a conference call or a meeting is between 11pm-1pm in ChST which corresponds to 3am-5am in HST
3:30 am03:30 Chamorro Standard Time (ChST). Offset UTC +10:00 hours
7:30 am07:30 Hawaii Standard Time (HST). Offset UTC -10:00 hours
3:30 am03:30 ChST / 7:30 am07:30 HST
ChST | HST |
---|---|
12am (midnight) | 4am |
1am | 5am |
2am | 6am |
3am | 7am |
4am | 8am |
5am | 9am |
6am | 10am |
7am | 11am |
8am | 12pm (noon) |
9am | 1pm |
10am | 2pm |
11am | 3pm |
12pm (noon) | 4pm |
1pm | 5pm |
2pm | 6pm |
3pm | 7pm |
4pm | 8pm |
5pm | 9pm |
6pm | 10pm |
7pm | 11pm |
8pm | 12am (midnight) |
9pm | 1am |
10pm | 2am |
11pm | 3am |
0:00 | 4:00 |
1:00 | 5:00 |
2:00 | 6:00 |
3:00 | 7:00 |
4:00 | 8:00 |
5:00 | 9:00 |
6:00 | 10:00 |
7:00 | 11:00 |
8:00 | 12:00 |
9:00 | 13:00 |
10:00 | 14:00 |
11:00 | 15:00 |
12:00 | 16:00 |
13:00 | 17:00 |
14:00 | 18:00 |
15:00 | 19:00 |
16:00 | 20:00 |
17:00 | 21:00 |
18:00 | 22:00 |
19:00 | 23:00 |
20:00 | 0:00 |
21:00 | 1:00 |
22:00 | 2:00 |
23:00 | 3:00 |
Chamorro Standard Time
Offset: ChST is 10 hours ahead Greenwich Mean Time (GMT) and is used in Pacific
Countries: It is used in following countries: Guam, Northern Mariana Islands
Principal Cities: The largest city in the ChST timezone is Saipan from Northern Mariana Islands with population about 48,220 people. Other major cities in the area are Dededo Village, Yigo Village, Tamuning Tumon Harmon Village, Mangilao Village
Daylight Saving: Chamorro Standard Time (ChST) is not adjusted for daylight saving therefore ChST 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, Chamorro Standard Time remains the same
ChST 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 east of the zero meridian.
- Kilo - Military abbreviation for ChST
- K - short form of 'Kilo'
- Pacific/Guam
- Pacific/Saipan
- AEST - Australian Eastern Standard Time
- CHUT - Chuuk Time
- ChST - Chamorro Standard Time
- K - Kilo Time Zone
- KDT - Korea Daylight Time
- PGT - Papua New Guinea Time
- VLAT - Vladivostok Time
- YAKST - Yakutsk Summer Time
- YAPT - Yap Time
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