Guam
ChST
HST/HDT
Hawaii Standard Time
GMT -10
HDT automatically adjusted to HST time zone, that is in use

Time Difference

ChST (Chamorro Standard Time) is 20 hours ahead of Hawaii Standard Time
12:30 am00:30 in Hagatna, Guam is 4:30 am04:30 in HST

Hagatna to HDT call time
Best time for a conference call or a meeting is between 10:30pm-12:30pm in Hagatna which corresponds to 3:30am-5:30am in HDT

12:30 am00:30 ChST (Chamorro Standard Time) (Hagatna, Guam). Offset UTC +10:00 hours
4:30 am04:30 Hawaii Standard Time (HST). Offset UTC -10:00 hours

12:30 am00:30 Hagatna, Guam / 4:30 am04:30 HST

Hagatna, Guam 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

Hagatna Information

Time Zone

Abbreviation / Name
ChST - Chamorro Standard Time
UTC / GMT Offset
+10:00 hours during Chamorro Standard Time, currently in use.

Hagatna Facts

Country
Guam
Alternative Names
Agadna, Agana, Agana -1998, Agania, Aganija, Aganja, Agano, Agaña, Aguana, Akashi, Akashi - JP renamed WW2, Ankana, City of Ignacio de Agana, City of Saint Ignacio de Agana, Ciudad de San Ignacio de Agana, Hagadna, Hagatna, Hagåtña, Haqatna, Jagatna, Khagatna, San Ignacio de Agana *, Ville d'Agana, Vjoska Agan'ja, a jia ni ya, akatna, ha katya, hagania, hagasnya, hagatna, hagatnya, haghatnya, hegatn'ya, Αγκάνα, Вёска Аганья, Хагатна, Хагатња, Հագատնա, هاغاتنيا, هاگاتنا, هاگاتنیا, हेगात्न्या, அகாத்ன, ฮากาตญา, ჰაგატნა, ハガニア, 阿加尼亚, 하갓냐
Population
1,051
Currency
Dollar (USD)
Geographic Coordinates
13° 28' N Latitude / 144° 44' E Longitude

Hawaii Daylight Time

Offset: HDT is 9 hours behind Greenwich Mean Time (GMT) and is used in Pacific

Countries: It is used in following countries: United States

HDT 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 nine hour and zero minutes time differences to the west of the zero meridian.
Military/NATO: Used by the U.S. military, Chinese military and others
  • Victor - Military abbreviation for HDT
  • V - short form of 'Victor'
IANA/Olson: Reflects HDT time zone boundaries defined by political bodies, primarily intended for use with computer programs and operating systems
  • America/Adak
  • America/Atka
  • US/Aleutian
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