HST/HDT
Hawaii Standard Time
GMT -10
HDT automatically adjusted to HST time zone, that is in use
Antigua and Barbuda
AST

Time Difference

Hawaii Standard Time is 6 hours behind AST (Atlantic Standard Time)
1:30 am01:30 in HST is 7:30 am07:30 in Saint John's, Antigua and Barbuda

HDT to Saint John's call time
Best time for a conference call or a meeting is between 8am-1pm in HDT which corresponds to 1pm-6pm in Saint John's

1:30 am01:30 Hawaii Standard Time (HST). Offset UTC -10:00 hours
7:30 am07:30 AST (Atlantic Standard Time) (Saint John's, Antigua and Barbuda). Offset UTC -4:00 hours

1:30 am01:30 HST / 7:30 am07:30 Saint John's, Antigua and Barbuda

HST Saint John's, Antigua and Barbuda
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 12am (midnight)
7pm 1am
8pm 2am
9pm 3am
10pm 4am
11pm 5am
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 0:00
19:00 1:00
20:00 2:00
21:00 3:00
22:00 4:00
23:00 5:00

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

Saint John's Information

Time Zone

Abbreviation / Name
AST - Atlantic Standard Time
UTC / GMT Offset
-4:00 hours during Atlantic Standard Time, currently in use.

Saint John's Facts

Country
Antigua and Barbuda
Alternative Names
Saint John, Saint John's, Saint John’s, Sent Dzonsas, Sent Džonsas, Sent Tzons, Sent-Dzhons, St John's, St Johns, St. John's, St.John.s, seinteujonseu, sentojonzu, sheng yue han, sheng yue han shi, snt g'wns, Σεντ Τζονς, Сент-Джонс, סנט ג'ונס, ሴንት ጆንስ፥ አንቲጋ እና ባርቡዳ, セントジョンズ, 圣约翰, 圣约翰市, 세인트존스
Population
24,226
Currency
Dollar (XCD)
Geographic Coordinates
17° 07' N Latitude / 61° 50' W Longitude