Updating current time…
Hawaii, USAHST
UTC−10
12am
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MDT/MST
UTC−6
4h ahead
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3am
6am
9am
12pm
3pm
6pm
9pm
Mountain Time is on daylight saving time: MDT (UTC−6) until Sun, Nov 1.

Arizona stays on MST (UTC−7).

Quick answers

Selected conversion

2:00 am02:00 HST (UTC-10), Oct 14, 2026 = 6:00 am06:00 MDT (UTC-6), Oct 14, 2026

Wahiawā is 4 hours behind MDT.

How the time difference changes

For most of the year, Wahiawa is 4 hours behind MDT. From Nov 1, 2026 to Mar 14, 2027, Wahiawa is 3 hours behind MST.

For most of the year, working hours of 9:00 am to 5:00 pm in Wahiawa correspond to 1:00 pm to 9:00 pm in MDT. At other times of the year, working hours of 9:00 am to 5:00 pm in Wahiawa correspond to 12:00 pm to 8:00 pm in MST.For most of the year, working hours of 09:00 to 17:00 in Wahiawa correspond to 13:00 to 21:00 in MDT. At other times of the year, working hours of 09:00 to 17:00 in Wahiawa correspond to 12:00 to 20:00 in MST.

Compare Wahiawa time with MST time, including current local time, UTC offsets, time difference, daylight saving changes, working hours, and shareable meeting times.

Time Difference

HST (Hawaii Standard Time) is 4 hours behind Mountain Daylight Time.
2:00 am02:00 in Wahiawa, HI, USA is 6:00 am06:00 in MDT

Wahiawā to MDT call time
Best time for a conference call or a meeting is between 9am-1pm09:00-13:00 in Wahiawā which corresponds to 1pm-5pm13:00-17:00 in MDT

2:00 am02:00 HST (Hawaii Standard Time) (Wahiawa, HI, USA). Offset UTC -10:00 hours
6:00 am06:00 Mountain Daylight Time (MDT). Offset UTC -6:00 hours

2:00 am02:00 Wahiawa, HI, USA / 6:00 am06:00 MDT

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Hourly time comparison
Wahiawa, HI, USAMDT
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Wahiawā Time Zone and Facts

Time Zone

Abbreviation / Offset
HST – Hawaii Standard Time, UTC-10 (no daylight saving time)

Wahiawā Facts

Country
USA
State
Hawaii
Alternative Names
Wahiawa, wahaiwa, 와하이와
Population
17,821
Currency
Dollar (USD)
Geographic Coordinates
21° 30' N Latitude / 158° 01' W Longitude
International Dialing Code
+1

Mountain Standard Time

Offset: MST is 7 hours behind Greenwich Mean Time (GMT).

Countries using this time zone: Canada, Mexico, United States

Principal Cities: The largest city in the MST time zone is Phoenix in the United States, with about 1.65 million people. Other major cities in this time zone include Ciudad Juárez, Calgary, Edmonton, Hermosillo.

French: HNR - Heure Normale des Rocheuses

Spanish: MT - Zona Pacífico

Map of the areas on Mountain Standard Time (MST)
MST all year MST part of the year

Today the lighter areas are on UTC−6 (MDT).

Daylight Saving: This is a standard time zone. During summer, some places set clocks forward one hour for daylight saving time and observe Mountain Daylight Time (MDT).

123456789101112End: Mountain Standard Time (MST) ended on Sunday, March 8, 2026 at 2:00 am02:00 local time and clocks were set one hour forward to Sunday, March 8, 2026, 3:00 am03:00 local daylight time instead. Standard time ends annually on the second Sunday of March.

123456789101112Start: Mountain Standard Time (MST) starts on Sunday, November 1, 2026 at 2:00 am02:00 local time and clocks are set one hour back to Sunday, November 1, 2026, 1:00 am01:00. Standard time starts annually on the first Sunday of November.

See upcoming clock changes worldwide.

MST representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • -07 - basic short
  • -0700 - basic
  • -07:00 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • -0700 - sign character (-) followed by a four digit time providing hours (07) and minutes (00) of the offset. Indicates an offset of seven hours to the west of the zero meridian.
Military/NATO: Used by the U.S. military, Chinese military and others
  • Tango - Military abbreviation for MST
  • T - short form of 'Tango'
IANA/Olson: Reflects MST time zone boundaries defined by political bodies, primarily intended for use with computer programs and operating systems
  • America/Boise
  • America/Cambridge_Bay
  • America/Ciudad_Juarez
  • America/Creston
  • America/Dawson
  • America/Dawson_Creek
  • America/Denver
  • America/Edmonton
  • America/Fort_Nelson
  • America/Hermosillo
  • America/Inuvik
  • America/Mazatlan
  • America/Phoenix
  • America/Shiprock
  • America/Whitehorse
  • America/Yellowknife
  • Canada/Mountain
  • Canada/Yukon
  • MST
  • MST7MDT
  • Mexico/BajaSur
  • Navajo
  • US/Arizona
  • US/Mountain
Time zones with the GMT -7 offset:
  • MST - Mountain Standard Time
  • PDT - Pacific Daylight Time
  • YST - Yukon Standard Time
  • T - Tango Time Zone