Hawaii, USA
HST
Z
Zulu Time Zone
GMT +0

Time Difference

HST (Hawaii Standard Time) is 10 hours behind Zulu Time Zone
12:30 pm12:30 in Kailua, HI, USA is 10:30 pm22:30 in Z

Kailua to Z call time
Best time for a conference call or a meeting is between 8am-10am in Kailua which corresponds to 6pm-8pm in Z

12:30 pm12:30 HST (Hawaii Standard Time) (Kailua, HI, USA). Offset UTC -10:00 hours
10:30 pm22:30 Zulu Time Zone (Z). Offset UTC 0:00 hours

12:30 pm12:30 Kailua, HI, USA / 10:30 pm22:30 Z

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

Kailua Information

Time Zone

Abbreviation / Name
HST - Hawaii Standard Time
UTC / GMT Offset
-10:00 hours during Hawaii Standard Time, currently in use.

Kailua Facts

Country
USA
State
Hawaii
Alternative Names
Kailua, Kajlua, Lanikai, kai lu a, kaillua, kailuhuva, kairua, Кајлуа, کائلوا، ہونولولو کاؤنٹی، ہوائی, कैलुहुवा, カイルア, 凱盧阿, 카일루아
Population
38,635
Currency
Dollar (USD)
Geographic Coordinates
21° 24' N Latitude / 157° 44' W Longitude
International Dialing Code
+1

Zulu Time Zone

Offset: Z is 0 hours ahead Greenwich Mean Time (GMT) and is used in Military

Greenwich Mean Time (GMT) originally referred to the mean solar time at the Royal Observatory in Greenwich, London. It is now often used to refer to Coordinated Universal Time (UTC) when this is viewed as a time zone, and in casual use for the most parts it is the same. In military GMT is known as Zulu time.Greenwich Mean Time was the same as Universal Time (UT), until the introduction of UTC in 1972 a standard astronomical concept used in many technical fields.

Z representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • Z - is the zone designator for the zero UTC/GMT offset, also known as 'Zulu' time
  • +00 - basic short
  • +0000 - basic
  • +00:00 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • +0000 - sign character (+) followed by a four digit time providing hours (00) and minutes (00) of the offset. Indicates zero hour and zero minutes time differences of the zero meridian.
Military/NATO: Used by the U.S. military, Chinese military and others
  • Zulu - Military abbreviation for Z
  • Z - short form of 'Zulu'
Time zones with the GMT +0 offset:
  • EGST - Eastern Greenland Summer Time
  • GMT - Greenwich Mean Time
  • WET - Western European Time
  • AZOST - Azores Summer Time
  • UTC - Universal Time Coordinated
  • WT - Western Sahara Standard Time
  • Z - Zulu Time Zone