AHDT
Alaska-Hawaii Daylight Time
GMT -9

Time Difference

Alaska-Hawaii Daylight Time is 19 hours behind ChST (Chamorro Standard Time)
7:30 am07:30 in AHDT is 2:30 am02:30 in Guam Government House, Guam

AHDT to Guam Government House call time
Best time for a conference call or a meeting is between 3:30am-5:30am in AHDT which corresponds to 10:30pm-12:30pm in Guam Government House

7:30 am07:30 Alaska-Hawaii Daylight Time (AHDT). Offset UTC -9:00 hours
2:30 am02:30 ChST (Chamorro Standard Time) (Guam Government House, Guam). Offset UTC +10:00 hours

7:30 am07:30 AHDT / 2:30 am02:30 Guam Government House, Guam

AHDT Guam Government House, Guam
12am (midnight) 7pm
1am 8pm
2am 9pm
3am 10pm
4am 11pm
5am 12am (midnight)
6am 1am
7am 2am
8am 3am
9am 4am
10am 5am
11am 6am
12pm (noon) 7am
1pm 8am
2pm 9am
3pm 10am
4pm 11am
5pm 12pm (noon)
6pm 1pm
7pm 2pm
8pm 3pm
9pm 4pm
10pm 5pm
11pm 6pm
0:00 19:00
1:00 20:00
2:00 21:00
3:00 22:00
4:00 23:00
5:00 0:00
6:00 1:00
7:00 2:00
8:00 3:00
9:00 4:00
10:00 5:00
11:00 6:00
12:00 7:00
13:00 8:00
14:00 9:00
15:00 10:00
16:00 11:00
17:00 12:00
18:00 13:00
19:00 14:00
20:00 15:00
21:00 16:00
22:00 17:00
23:00 18:00

Alaska-Hawaii Daylight Time

Offset: AHDT is 9 hours behind Greenwich Mean Time (GMT) and is used in North America

AHDT 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 AHDT
  • V - short form of 'Victor'
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

Guam Government House Information

Time Zone

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

Guam Government House Facts

Country
Guam
Alternative Names
Designer Architect Richard Neutra
Currency
Dollar (USD)
Geographic Coordinates
13° 28' N Latitude / 144° 44' E Longitude