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AMST to NST Converter

Updating current time…
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)
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)

Quick answers

Selected conversion

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

AMT is 1 hour and 30 minutes behind NDT.

AMST and NST examples

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

AMST is 30 minutes ahead of NST.

How the time difference changes

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

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

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

Time Difference

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

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

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

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

AMTNDT
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

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

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
EST to ISTGMT to ESTPST to ESTEST to GMTPST to GMT