-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.
NDT/NST
Newfoundland Daylight Time
GMT -2
NST automatically adjusted to NDT time zone, that is in use

Time Difference

is 1 hours and 30 minutes behind Newfoundland Daylight Time
11:00 pm23:00 in -04 is 12:30 am00:30 in NDT

-04 to NST call time
Best time for a conference call or a meeting is between 8am-5:30pm in -04 which corresponds to 8:30am-6pm in NST

11:00 pm23:00 (-04). Offset UTC -4:00 hours
12:30 am00:30 Newfoundland Daylight Time (NDT). Offset UTC -2:30 hours

11:00 pm23:00 -04 / 12:30 am00:30 NDT

-04 NDT
12am (midnight) 1:30 am
1am 2:30 am
2am 3:30 am
3am 4:30 am
4am 5:30 am
5am 6:30 am
6am 7:30 am
7am 8:30 am
8am 9:30 am
9am 10:30 am
10am 11:30 am
11am 12:30 pm
12pm (noon) 1:30 pm
1pm 2:30 pm
2pm 3:30 pm
3pm 4:30 pm
4pm 5:30 pm
5pm 6:30 pm
6pm 7:30 pm
7pm 8:30 pm
8pm 9:30 pm
9pm 10:30 pm
10pm 11:30 pm
11pm 12:30 am
0:00 1:30
1:00 2:30
2:00 3:30
3:00 4:30
4:00 5:30
5:00 6:30
6:00 7:30
7:00 8:30
8:00 9:30
9:00 10:30
10:00 11:30
11:00 12:30
12:00 13:30
13:00 14:30
14:00 15:30
15:00 16:30
16:00 17:30
17:00 18:30
18:00 19:30
19:00 20:30
20:00 21:30
21:00 22:30
22:00 23:30
23:00 0:30

-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

Newfoundland Standard Time

Offset: NST is 3 hours and 30 minutes behind Greenwich Mean Time (GMT) and is used in North America

Countries: It is used in following countries: Canada

Principal Cities: The largest city in the NST timezone is St Johns from Canada with population about 99,182 people. Other major cities in the area are Mount Pearl, Corner Brook, Conception Bay South

French: HNT - Heure Normale de Terre-Neuve

NST Time Zone Geo Map
NST timezone map

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 Newfoundland Daylight Time (NDT).

Daylight saving time clock moves forward for one hour from 2am to 3amEnd: Newfoundland Standard Time (NST) has ended on Sunday, March 10, 2024 at 2:00 am local time and clocks were set one hour forward to Sunday, March 10, 2024, 3:00 am local daylight time instead. Standard time ends annually the on second Sunday of March.

Daylight saving time clock moves back for one hour from 2am to 1amStart: Newfoundland Standard Time (NST) starts on Sunday, November 3, 2024 at 2:00 am local time and clocks are set one hour back to Sunday, November 3, 2024, 1:00 am. Standard time starts annually the on first Sunday of November.

NST representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • -0330 - basic
  • -03:30 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • -0330 - sign character (-) followed by a four digit time providing hours (03) and minutes (30) of the offset. Indicates three hour and thirty minutes time differences to the west of the zero meridian.
IANA/Olson: Reflects NST time zone boundaries defined by political bodies, primarily intended for use with computer programs and operating systems
  • America/St_Johns
  • Canada/Newfoundland