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NST to GYT Converter

Updating current time…
NST
Newfoundland Standard Time
GMT -3:30
12am
3am
6am
9am
12pm
3pm
6pm
9pm
GYT
Guyana Time
GMT -4
12am
3am
6am
9am
12pm
3pm
6pm
9pm

Quick answers

Selected conversion

The selected date and time will appear here when the converter loads.

NST and GYT examples

These examples always use NST (UTC-3:30) and GYT (UTC-4). They stay the same when you change the date or time above. The selected conversion may differ when daylight saving time applies.

NST is 30 minutes ahead of GYT.

How the time difference changes

For most of the year, NDT is 1 hour and 30 minutes ahead of GYT. At other times of the year, NST is 30 minutes ahead of GYT.

For most of the year, working hours of 9:00 am to 5:00 pm in NDT correspond to 7:30 am to 3:30 pm in GYT. At other times of the year, working hours of 9:00 am to 5:00 pm in NST correspond to 8:30 am to 4:30 pm in GYT.

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

Time Difference

Newfoundland Standard Time is 0 hours and 30 minutes ahead of Guyana Time
8:30 am08:30 in NST is 8:00 am08:00 in GYT

NST to GYT call time
Best time for a conference call or a meeting is between 9:30am-5pm in NST which corresponds to 9am-4:30pm in GYT

8:30 am08:30 Newfoundland Standard Time (NST). Offset UTC -3:30 hours
8:00 am08:00 Guyana Time (GYT). Offset UTC -4:00 hours

8:30 am08:30 NST / 8:00 am08:00 GYT

NSTGYT
12am (midnight)11:30 pm
1am12:30 am
2am1:30 am
3am2:30 am
4am3:30 am
5am4:30 am
6am5:30 am
7am6:30 am
8am7:30 am
9am8:30 am
10am9:30 am
11am10:30 am
12pm (noon)11:30 am
1pm12:30 pm
2pm1:30 pm
3pm2:30 pm
4pm3:30 pm
5pm4:30 pm
6pm5:30 pm
7pm6:30 pm
8pm7:30 pm
9pm8:30 pm
10pm9:30 pm
11pm10:30 pm
00:0023:30
01:0000:30
02:0001:30
03:0002:30
04:0003:30
05:0004:30
06:0005:30
07:0006:30
08:0007:30
09:0008:30
10:0009:30
11:0010:30
12:0011:30
13:0012:30
14:0013:30
15:0014:30
16:0015:30
17:0016:30
18:0017:30
19:0018:30
20:0019:30
21:0020:30
22:0021:30
23:0022:30

Newfoundland Standard Time

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

Countries using this time zone: Canada

Principal Cities: The largest city in the NST time zone is St Johns in Canada, with about 99,182 people. Other major cities in this time zone include 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. During summer, some places set clocks forward one hour for daylight saving time 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 2, 2025 at 2:00 am local time and clocks were set one hour back to Sunday, November 2, 2025, 1:00 am. Standard time starts annually on the 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 8, 2026 at 2:00 am local time and clocks are set one hour forward to Sunday, March 8, 2026, 3:00 am local daylight time instead. Standard time ends annually on the 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 an offset of three hours and thirty minutes 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

Guyana Time

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

Countries using this time zone: Guyana

Principal Cities: The largest city in the GYT time zone is Georgetown in Guyana, with about 235,017 people. Other major cities in this time zone include Linden, New Amsterdam.

Daylight Saving: Clocks in Guyana Time (GYT) do not change for daylight saving time, so GYT stays the same throughout the year. Other time zones may set clocks forward in summer and back in winter.

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 an offset of four hours 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
EST to ISTGMT to ESTPST to ESTEST to GMTPST to GMT