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GYT
Guyana Time
GMT -4
12am
3am
6am
9am
12pm
3pm
6pm
9pm
NDT
Newfoundland Daylight Time
GMT -2:30
12am
3am
6am
9am
12pm
3pm
6pm
9pm

Quick answers

Selected conversion

8:00 am08:00 GYT (UTC-4), Oct 8, 2026 = 9:30 am09:30 NDT (UTC-2:30), Oct 8, 2026

GYT is 1 hour and 30 minutes behind NDT.

GYT and NDT examples

These examples always use GYT (UTC-4) and NDT (UTC-2:30). They stay the same when you change the date or time above. The selected conversion may differ when daylight saving time applies.

GYT is 1 hour and 30 minutes behind NDT.

How the time difference changes

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

For most of the year, working hours of 9:00 am to 5:00 pm in GYT correspond to 10:30 am to 6:30 pm in NDT. At other times of the year, working hours of 9:00 am to 5:00 pm in GYT correspond to 9:30 am to 5:30 pm in NST.For most of the year, working hours of 09:00 to 17:00 in GYT correspond to 10:30 to 18:30 in NDT. At other times of the year, working hours of 09:00 to 17:00 in GYT correspond to 09:30 to 17:30 in NST.

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

Time Difference

Guyana Time is 1 hour and 30 minutes behind Newfoundland Daylight Time.
8:00 am08:00 in GYT is 9:30 am09:30 in NDT

GYT to NDT call time
Best time for a conference call or a meeting is between 9am-3:30pm09:00-15:30 in GYT which corresponds to 10:30am-5pm10:30-17:00 in NDT

8:00 am08:00 Guyana Time (GYT). Offset UTC -4:00 hours
9:30 am09:30 Newfoundland Daylight Time (NDT). Offset UTC -2:30 hours

8:00 am08:00 GYT / 9:30 am09:30 NDT

GYTNDT
12:00am1:30am
1:00am2:30am
2:00am3:30am
3:00am4:30am
4:00am5:30am
5:00am6:30am
6:00am7:30am
7:00am8:30am
8:00am9:30am
9:00am10:30am
10:00am11:30am
11:00am12:30pm
12:00pm1:30pm
1:00pm2:30pm
2:00pm3:30pm
3:00pm4:30pm
4:00pm5:30pm
5:00pm6:30pm
6:00pm7:30pm
7:00pm8:30pm
8:00pm9:30pm
9:00pm10:30pm
10:00pm11:30pm
11:00pm12:30am
00:0001:30
01:0002:30
02:0003:30
03:0004:30
04:0005:30
05:0006:30
06:0007:30
07:0008:30
08:0009:30
09:0010:30
10:0011:30
11:0012:30
12:0013:30
13:0014:30
14:0015:30
15:0016:30
16:0017:30
17:0018:30
18:0019:30
19:0020:30
20:0021:30
21:0022:30
22:0023:30
23:0000:30

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; see upcoming clock changes worldwide.

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

Newfoundland Daylight Time

Offset: NDT is 2 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 NDT time zone is St Johns in Canada, with about 110,525 people. Other major cities in this time zone include Conception Bay South, Mount Pearl, Corner Brook.

French: HAT - Heure Avancée de Terre-Neuve

NDT Time Zone Geo Map
NDT timezone map

Daylight Saving: Newfoundland Daylight Time (NDT) is a daylight saving/summer time zone. During winter, some places set clocks back one hour and observe Newfoundland Standard Time (NST).

Daylight saving time clock moves forward for one hourStart: Newfoundland Daylight Time (NDT) started on Sunday, March 8, 2026 at 2:00 am02:00 local time and clocks were set one hour forward to Sunday, March 8, 2026, 3:00 am03:00. Daylight saving starts annually on the second Sunday of March.

Daylight saving time clock moves back for one hourEnd: Newfoundland Daylight Time (NDT) ends on Sunday, November 1, 2026 at 2:00 am02:00 local time and clocks are set one hour back to Sunday, November 1, 2026, 1:00 am01:00 local standard time instead. Daylight saving ends annually on the first Sunday of November.

See upcoming clock changes worldwide.

NDT representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • -0230 - basic
  • -02:30 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • -0230 - sign character (-) followed by a four digit time providing hours (02) and minutes (30) of the offset. Indicates an offset of two hours and thirty minutes to the west of the zero meridian.
IANA/Olson: Reflects NDT time zone boundaries defined by political bodies, primarily intended for use with computer programs and operating systems
  • America/St_Johns
  • Canada/Newfoundland