GYT
Guyana Time
GMT -4
NST
Newfoundland Standard Time
GMT -3

Time Difference

Guyana Time is 0 hours and 30 minutes behind Newfoundland Standard Time
8:00 pm20:00 in GYT is 8:30 pm20:30 in NST

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

8:00 pm20:00 Guyana Time (GYT). Offset UTC -4:00 hours
8:30 pm20:30 Newfoundland Standard Time (NST). Offset UTC -3:30 hours

8:00 pm20:00 GYT / 8:30 pm20:30 NST

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

Guyana Time

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

GYT Time Zone Geo Map
GYT timezone map

GYT 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 GYT
  • Q - short form of 'Quebec'
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 timezone, 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 back for one hour from 2am to 1amStart: Newfoundland Standard Time (NST) started on Sunday, November 7, 2021 at 2:00 am local time and clocks were set one hour back to Sunday, November 7, 2021, 1:00 am. Standard time starts annually the on first Sunday of November.

Daylight saving time clock moves forward for one hour from 2am to 3amEnd: Newfoundland Standard Time (NST) ends on Sunday, March 13, 2022 at 2:00 am local time and clocks are set one hour forward to Sunday, March 13, 2022, 3:00 am local daylight time instead. Standard time starts annually the on second Sunday of March.

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
NST Abbreviation: Several time zones share NST abbreviation and it could refer to these time zones
  • Newfoundland Standard Time - UTC -3
  • Novosibirsk Standard Time - UTC +7