Montana, USA
MST
-04
GMT -4
-04 is NOT in use by many locations
-03 () is used instead. Switch to -03 time zone or select one of the cities Santiago, Caracas, Maracaibo) for automatic timezone change.

Time Difference

MST (Mountain Standard Time) is 3 hours behind
6:30 pm18:30 in Billings, MT, USA is 9:30 pm21:30 in -04

Billings to -04 call time
Best time for a conference call or a meeting is between 8am-3pm in Billings which corresponds to 11am-6pm in -04

6:30 pm18:30 MST (Mountain Standard Time) (Billings, MT, USA). Offset UTC -7:00 hours
9:30 pm21:30 (-04). Offset UTC -4:00 hours

6:30 pm18:30 Billings, MT, USA / 9:30 pm21:30 -04

Billings, MT, USA -04
12am (midnight) 3am
1am 4am
2am 5am
3am 6am
4am 7am
5am 8am
6am 9am
7am 10am
8am 11am
9am 12pm (noon)
10am 1pm
11am 2pm
12pm (noon) 3pm
1pm 4pm
2pm 5pm
3pm 6pm
4pm 7pm
5pm 8pm
6pm 9pm
7pm 10pm
8pm 11pm
9pm 12am (midnight)
10pm 1am
11pm 2am
0:00 3:00
1:00 4:00
2:00 5:00
3:00 6:00
4:00 7:00
5:00 8:00
6:00 9:00
7:00 10:00
8:00 11:00
9:00 12:00
10:00 13:00
11:00 14:00
12:00 15:00
13:00 16:00
14:00 17:00
15:00 18:00
16:00 19:00
17:00 20:00
18:00 21:00
19:00 22:00
20:00 23:00
21:00 0:00
22:00 1:00
23:00 2:00

Billings Information

Time Zone

Abbreviation / Name
MST - Mountain Standard Time
HAR - Heure Avancée des Rocheuses
UTC / GMT Offset
-7:00 hours during Mountain Standard Time, currently in use.
-6:00 hours during Heure Avancée des Rocheuses.
Daylight Saving Time Change
+1:00 hour - DST is NOT in use
Daylight Saving Time Starts
Daylight saving time clock moves forward for one hour from 2am to 3am Sunday, March 10, 2024 at 2:00 am local time. DST starts annually the on second Sunday of March. Clocks are turned forward 1 hour to Sunday, March 10, 2024, 3:00 am local daylight time instead. Also called Spring Forward or Summer Time.
Daylight Saving Time Ends
Daylight saving time clock moves back for one hour from 2am to 1am Sunday, November 3, 2024 at 2:00 am local time. DST ends annually the on first Sunday of November. Clocks are turned backward 1 hour to Sunday, November 3, 2024, 1:00 am local standard time instead. Also called Fall Back or switch to Winter Time.

Billings Facts

Country
USA
State
Montana
Alternative Names
Area metropolitana de Billings, BIL, Belinum, Billings, Billings Metropolitan Area, biringusu, Área metropolitana de Billings, Биллингс, ビリングス
Population
110,263
Currency
Dollar (USD)
Geographic Coordinates
45° 46' N Latitude / 108° 30' W Longitude
International Dialing Code
+1

-04

Offset: -04 is 4 hours behind Greenwich Mean Time (GMT) and is used in America

Countries: It is used in following countries: Bolivia, Brazil, Chile, Guyana, Paraguay, Venezuela

Principal Cities: The largest city in the -04 timezone is Santiago from Chile with population about 4.837 million people. Other major cities in the area are Caracas, Maracaibo, Maracay, Manaus

Daylight Saving: This is a standard time zone, however during summer some places switch clocks for one hour forward when daylight saving comes into effect and observe (-03).

Daylight saving time clock moves forward for one hour from 12am to 1amEnd: (-04) has ended on Sunday, October 6, 2024 at 12:00 am local time and clocks were set one hour forward to Sunday, October 6, 2024, 1:00 am local daylight time instead. Standard time ends .

Daylight saving time clock moves back for one hour from 12am to 11pmStart: (-04) starts on Sunday, March 23, 2025 at 12:00 am local time and clocks are set one hour back to Saturday, March 22, 2025, 11:00 pm. Standard time starts .

-04 representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • -04 - basic short
  • -0400 - basic
  • -04:00 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • -0400 - sign character (-) followed by a four digit time providing hours (04) and minutes (00) of the offset. Indicates four 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
  • Quebec - Military abbreviation for -04
  • Q - short form of 'Quebec'
IANA/Olson: Reflects -04 time zone boundaries defined by political bodies, primarily intended for use with computer programs and operating systems
  • America/Asuncion
  • America/Boa_Vista
  • America/Campo_Grande
  • America/Caracas
  • America/Cuiaba
  • America/Guyana
  • America/La_Paz
  • America/Manaus
  • America/Porto_Velho
  • America/Santiago
  • Brazil/West
  • Chile/Continental
  • Etc/GMT+4
Time zones with the GMT -4 offset:
  • AST - Atlantic Standard Time
  • EDT - Eastern Daylight Time
  • AMT - Amazon Time
  • BOT - Bolivia Time
  • CDT - Cuba Daylight Time
  • CLT - Chile Standard Time
  • FKT - Falkland Island Time
  • GYT - Guyana Time
  • HLV - Hora Legal de Venezuela
  • PYT - Paraguay Time
  • Q - Quebec Time Zone
  • VET - Venezuelan Standard Time