Arizona, USA
MST
HST
Hawaii Standard Time
GMT -10

Time Difference

MST (Mountain Standard Time) is 3 hours ahead of Hawaii Standard Time
12:30 pm12:30 in Tucson, AZ, USA is 9:30 am09:30 in HST

Tucson to HST call time
Best time for a conference call or a meeting is between 11am-6pm in Tucson which corresponds to 8am-3pm in HST

12:30 pm12:30 MST (Mountain Standard Time) (Tucson, AZ, USA). Offset UTC -7:00 hours
9:30 am09:30 Hawaii Standard Time (HST). Offset UTC -10:00 hours

12:30 pm12:30 Tucson, AZ, USA / 9:30 am09:30 HST

Tucson, AZ, USA HST
12am (midnight) 9pm
1am 10pm
2am 11pm
3am 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
0:00 21:00
1:00 22:00
2:00 23:00
3:00 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

Tucson Information

Time Zone

Abbreviation / Name
MST - Mountain Standard Time
UTC / GMT Offset
-7:00 hours during Mountain Standard Time, currently in use.

Tucson Facts

Country
USA
State
Arizona
Alternative Names
Fucson, Lucson, San Casme del Tucson, TUS, Takson, Teuson, Toison, Touson, Tucson, Tuczon, Tugson, Tuguison, Tuison, Tuksonas, Tulquson, Tuozon, Tuquisson, Tuqulson, Tusan, Tuson, Tusona, Tūsona, taksana, thu sxn, tsuson, tu sen, tusana, tuson, tusona, twsan, twswn, tʼusoni, Τουσόν, Тусан, Тусон, Թուսոն, טוסון, توسان, توسون, ٹوسان، ایریزونا, टक्सन, तुसॉन, টুসান, ทูซอน, ტუსონი, ツーソン, 图森, 투손
Population
531,641
Currency
Dollar (USD)
Geographic Coordinates
32° 13' N Latitude / 110° 55' W Longitude
International Dialing Code
+1

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 Time Zone Geo Map
HST timezone map

HST representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • -10 - basic short
  • -1000 - basic
  • -10:00 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • -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.
Military/NATO: Used by the U.S. military, Chinese military and others
  • Whiskey - Military abbreviation for HST
  • W - short form of 'Whiskey'
IANA/Olson: Reflects HST time zone boundaries defined by political bodies, primarily intended for use with computer programs and operating systems
  • America/Adak
  • America/Atka
  • HST
  • Pacific/Honolulu
  • Pacific/Johnston
  • US/Aleutian
  • US/Hawaii
Time zones with the GMT -10 offset:
  • HAST - Hawaii-Aleutian Standard Time
  • CKT - Cook Island Time
  • HST - Hawaii Standard Time
  • TAHT - Tahiti Time
  • W - Whiskey Time Zone