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AMT to PMT Converter

Updating current time…
AMT
Amazon Time
GMT -4
12am
3am
6am
9am
12pm
3pm
6pm
9pm
PMT
Pierre & Miquelon Standard Time
GMT -3
12am
3am
6am
9am
12pm
3pm
6pm
9pm

Quick answers

Selected conversion

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

AMT and PMT examples

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

AMT is 1 hour behind PMT.

How the time difference changes

AMT is 1 hour behind PMT year-round.

Working hours of 9:00 am to 5:00 pm in AMT correspond to 10:00 am to 6:00 pm in PMT.Working hours of 09:00 to 17:00 in AMT correspond to 10:00 to 18:00 in PMT.

Compare AMT time with PMT 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 behind Pierre & Miquelon Standard Time
8:00 am08:00 in AMT is 9:00 am09:00 in PMT

AMT to PMT call time
Best time for a conference call or a meeting is between 9am-4pm09:00-16:00 in AMT which corresponds to 10am-5pm10:00-17:00 in PMT

8:00 am08:00 Amazon Time (AMT). Offset UTC -4:00 hours
9:00 am09:00 Pierre & Miquelon Standard Time (PMT). Offset UTC -3:00 hours

8:00 am08:00 AMT / 9:00 am09:00 PMT

AMTPMT
12am (midnight)1am
1am2am
2am3am
3am4am
4am5am
5am6am
6am7am
7am8am
8am9am
9am10am
10am11am
11am12pm (noon)
12pm (noon)1pm
1pm2pm
2pm3pm
3pm4pm
4pm5pm
5pm6pm
6pm7pm
7pm8pm
8pm9pm
9pm10pm
10pm11pm
11pm12am (midnight)
00:0001:00
01:0002:00
02:0003:00
03:0004:00
04:0005:00
05:0006:00
06:0007:00
07:0008:00
08:0009:00
09:0010:00
10:0011:00
11:0012:00
12:0013:00
13:0014:00
14:0015:00
15:0016:00
16:0017:00
17:0018:00
18:0019:00
19:0020:00
20:0021:00
21:0022:00
22:0023:00
23:0000:00

Amazon Time

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

Countries using this time zone: Brazil

Principal Cities: The largest city in the AMT time zone is Manaus in Brazil, with about 2.22 million people. Other major cities in this time zone include Itacoatiara, Manacapuru, Parintins, Coari.

Daylight Saving: Clocks in Amazon Time (AMT) do not change for daylight saving time, so AMT stays the same throughout the year. Other time zones may set clocks forward in summer and back in winter; see upcoming clock changes worldwide.

AMT Time Zone Geo Map
AMT timezone map

AMT 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 AMT
  • Q - short form of 'Quebec'
AMT Abbreviation: Several time zones share AMT abbreviation and it could refer to these time zones
  • Armenia Time - UTC +4
  • Amazon Time - UTC -4
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

Pierre & Miquelon Standard Time

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

Daylight Saving: This is a standard time zone. During summer, some places set clocks forward one hour for daylight saving time and observe Pierre & Miquelon Daylight Time (PMDT).

Daylight saving time clock moves back for one hourStart: Pierre & Miquelon Standard Time (PMT) started on Sunday, November 2, 2025 at 2:00 am02:00 local time and clocks were set one hour back to Sunday, November 2, 2025, 1:00 am01:00. Standard time starts annually on the first Sunday of November.

Daylight saving time clock moves forward for one hourEnd: Pierre & Miquelon Standard Time (PMT) ends on Sunday, March 8, 2026 at 2:00 am02:00 local time and clocks are 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.

See upcoming clock changes worldwide.

PMT 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 PMT
  • P - short form of 'Papa'
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