Australia
ACDT
MST/MDT
Mountain Standard Time
GMT -7
MDT automatically adjusted to MST time zone, that is in use

Time Difference

ACDT (Australian Central Daylight Time) is 17 hours and 30 minutes ahead of Mountain Standard Time
10:30 am10:30 in Port Noarlunga South, Australia is 5:00 pm17:00 in MST

Port Noarlunga South to MDT call time
Best time for a conference call or a meeting is between 9pm-11pm in Port Noarlunga South which corresponds to 4:30am-6:30am in MDT

10:30 am10:30 ACDT (Australian Central Daylight Time) (Port Noarlunga South, Australia). Offset UTC +10:30 hours
5:00 pm17:00 Mountain Standard Time (MST). Offset UTC -7:00 hours

10:30 am10:30 Port Noarlunga South, Australia / 5:00 pm17:00 MST

Port Noarlunga South, Australia MST
12am (midnight) 6:30 am
1am 7:30 am
2am 8:30 am
3am 9:30 am
4am 10:30 am
5am 11:30 am
6am 12:30 pm
7am 1:30 pm
8am 2:30 pm
9am 3:30 pm
10am 4:30 pm
11am 5:30 pm
12pm (noon) 6:30 pm
1pm 7:30 pm
2pm 8:30 pm
3pm 9:30 pm
4pm 10:30 pm
5pm 11:30 pm
6pm 12:30 am
7pm 1:30 am
8pm 2:30 am
9pm 3:30 am
10pm 4:30 am
11pm 5:30 am
0:00 6:30
1:00 7:30
2:00 8:30
3:00 9:30
4:00 10:30
5:00 11:30
6:00 12:30
7:00 13:30
8:00 14:30
9:00 15:30
10:00 16:30
11:00 17:30
12:00 18:30
13:00 19:30
14:00 20:30
15:00 21:30
16:00 22:30
17:00 23:30
18:00 0:30
19:00 1:30
20:00 2:30
21:00 3:30
22:00 4:30
23:00 5:30

Port Noarlunga South Information

Time Zone

Abbreviation / Name
ACDT - Australian Central Daylight Time
UTC / GMT Offset
+10:30 hours during Australian Central Daylight Time, currently in use.

Port Noarlunga South Facts

Country
Australia
Population
2,668
Currency
Dollar (AUD)
Geographic Coordinates
35° 10' S Latitude / 138° 28' E Longitude
International Dialing Code
+61

Mountain Daylight Time

Offset: MDT is 6 hours behind Greenwich Mean Time (GMT) and is used in North America

Countries: It is used in following countries: Canada, Mexico, United States

Principal Cities: The largest city in the MDT timezone is Calgary from Canada with population about 1.02 million people. Other major cities in the area are Edmonton, El Paso, Denver, Albuquerque

French: HAR - Heure Avancée des Rocheuses

Spanish: MT - Zona Pacífico

MDT Time Zone Geo Map
MDT timezone map

Daylight Saving: Mountain Daylight Time (MDT) is a daylight saving/summer time zone, however during winter some places adjust time for one hour back and observe Mountain Standard Time (MST).

Daylight saving time clock moves back for one hour from 2am to 1amEnd: Mountain Daylight Time (MDT) has ended on Sunday, November 3, 2024 at 2:00 am local time and clocks were set one hour back to Sunday, November 3, 2024, 1:00 am local standard time instead. Daylight saving ends annually the on first Sunday of November

Daylight saving time clock moves forward for one hour from 2am to 3amStart: Mountain Daylight Time (MDT) starts on Sunday, March 9, 2025 at 2:00 am local time and clocks are set one hour forward to Sunday, March 9, 2025, 3:00 am. Daylight saving starts annually the on second Sunday of March

MDT representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • -06 - basic short
  • -0600 - basic
  • -06:00 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • -0600 - sign character (-) followed by a four digit time providing hours (06) and minutes (00) of the offset. Indicates six 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
  • Sierra - Military abbreviation for MDT
  • S - short form of 'Sierra'
IANA/Olson: Reflects MDT 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/Denver
  • America/Edmonton
  • America/Inuvik
  • America/Shiprock
  • America/Yellowknife
  • Canada/Mountain
  • MST7MDT
  • Navajo
  • US/Mountain
Time zones with the GMT -6 offset:
  • CST - Central Standard Time
  • CT - Central Time
  • MDT - Mountain Daylight Time
  • EAST - Easter Island Standard Time
  • GALT - Galapagos Time
  • S - Sierra Time Zone