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UYT to AMST Converter

Updating current time…
UYT
Uruguay Time
GMT -3
12am
3am
6am
9am
12pm
3pm
6pm
9pm
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

9:00 am09:00 UYT (UTC-3), Oct 11, 2026 = 8:00 am08:00 AMT (UTC-4), Oct 11, 2026

UYT is 1 hour ahead of AMT.

UYT and AMST examples

These examples always use UYT (UTC-3) 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.

UYT and AMST have the same local time.

How the time difference changes

UYT is 1 hour ahead of AMT year-round.

Working hours of 9:00 am to 5:00 pm in UYT correspond to 8:00 am to 4:00 pm in AMT.Working hours of 09:00 to 17:00 in UYT correspond to 08:00 to 16:00 in AMT.

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

Time Difference

Uruguay Time is 1 hour ahead of Amazon Time.
9:00 am09:00 in UYT is 8:00 am08:00 in AMT

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

9:00 am09:00 Uruguay Time (UYT). Offset UTC -3:00 hours
8:00 am08:00 Amazon Time (AMT). Offset UTC -4:00 hours

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

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

Uruguay Time

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

Countries using this time zone: Uruguay

Principal Cities: The largest city in the UYT time zone is Montevideo in Uruguay, with about 1.271 million people. Other major cities in this time zone include Salto, Rivera, Paysandu, Las Piedras.

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

UYT Time Zone Geo Map
UYT timezone map

UYT 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 UYT
  • 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

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