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NST to GYT Converter

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NDT/NST
Newfoundland Daylight Time
GMT -2:30
12am
3am
6am
9am
12pm
3pm
6pm
9pm
Newfoundland Time is on daylight saving time: NDT (UTC−2:30) until Sun, Nov 1.
Use NST all year (UTC−3:30)
GYT
Guyana Time
GMT -4
12am
3am
6am
9am
12pm
3pm
6pm
9pm

Quick answers

Selected conversion

9:30 am09:30 NDT (UTC-2:30), Oct 7, 2026 = 8:00 am08:00 GYT (UTC-4), Oct 7, 2026

NDT is 1 hour and 30 minutes ahead of GYT.

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.For most of the year, working hours of 09:00 to 17:00 in NDT correspond to 07:30 to 15:30 in GYT. At other times of the year, working hours of 09:00 to 17:00 in NST correspond to 08:30 to 16:30 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 Daylight Time is 1 hour and 30 minutes ahead of Guyana Time.
9:30 am09:30 in NDT is 8:00 am08:00 in GYT

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

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

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

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

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 110,525 people. Other major cities in this time zone include Conception Bay South, Mount Pearl, Corner Brook.

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 forward for one hourEnd: Newfoundland Standard Time (NST) ended 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 local daylight time instead. Standard time ends annually on the second Sunday of March.

Daylight saving time clock moves back for one hourStart: Newfoundland Standard Time (NST) starts 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. Standard time starts annually on the first Sunday of November.

See upcoming clock changes worldwide.

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; 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
EST to ISTGMT to ESTPST to ESTEST to GMTPST to GMT