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NST to AMST 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)
AMT/AMST
Amazon Time
GMT -4
12am
3am
6am
9am
12pm
3pm
6pm
9pm
AMST is not used on this date.

This converter uses AMT (UTC−4), as in Cuiaba.

Keep AMST (UTC−3)

Quick answers

Selected conversion

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

NDT is 1 hour and 30 minutes ahead of AMT.

NST and AMST examples

These examples always use NST (UTC-3:30) and AMST (UTC-3). 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 behind AMST.

How the time difference changes

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

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 AMT. 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 AMT.For most of the year, working hours of 09:00 to 17:00 in NDT correspond to 07:30 to 15:30 in AMT. At other times of the year, working hours of 09:00 to 17:00 in NST correspond to 08:30 to 16:30 in AMT.

Compare NST time with AMST 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 Amazon Time.
9:30 am09:30 in NDT is 8:00 am08:00 in AMT

NDT to AMT 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 AMT

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

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

NDTAMT
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

Amazon Summer Time

Offset: AMST is 3 hours behind Greenwich Mean Time (GMT) and is used in South America

AMST Time Zone Geo Map
AMST timezone map

AMST representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • -03 - basic short
  • -0300 - basic
  • -03:00 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • -0300 - sign character (-) followed by a four digit time providing hours (03) and minutes (00) of the offset. Indicates an offset of three hours to the west of the zero meridian.
Military/NATO: Used by the U.S. military, Chinese military and others
  • Papa - Military abbreviation for AMST
  • P - short form of 'Papa'
AMST Abbreviation: Several time zones share AMST abbreviation and it could refer to these time zones
  • Armenia Summer Time - UTC +5
  • Amazon Summer Time - UTC -3
Time zones with the GMT -3 offset:
  • ADT - Atlantic Daylight Time
  • PMT - Pierre & Miquelon Standard Time
  • PMST - Pierre & Miquelon Standard Time
  • AMST - Amazon Summer Time
  • ART - Argentina Time
  • BRT - Brasília time
  • CLST - Chile Summer Time
  • FKST - Falkland Islands Summer Time
  • GFT - French Guiana Time
  • P - Papa Time Zone
  • PYST - Paraguay Summer Time
  • SRT - Suriname Time
  • UYT - Uruguay Time
EST to ISTGMT to ESTPST to ESTEST to GMTPST to GMT