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UYST to AMST Converter

Updating current time…
UYT/UYST
Uruguay Time
GMT -3
12am
3am
6am
9am
12pm
3pm
6pm
9pm
UYST is not used on this date.

This converter uses UYT (UTC−3), as in Montevideo.

Keep UYST (UTC−2)
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.

UYST and AMST examples

These examples always use UYST (UTC-2) 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.

UYST is 1 hour ahead of AMST.

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 UYST 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 Summer Time

Offset: UYST is 2 hours behind Greenwich Mean Time (GMT) and is used in South America

UYST Time Zone Geo Map
UYST timezone map

UYST representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • -02 - basic short
  • -0200 - basic
  • -02:00 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • -0200 - sign character (-) followed by a four digit time providing hours (02) and minutes (00) of the offset. Indicates an offset of two hours to the west of the zero meridian.
Military/NATO: Used by the U.S. military, Chinese military and others
  • Oscar - Military abbreviation for UYST
  • O - short form of 'Oscar'
Time zones with the GMT -2 offset:
  • PMDT - Pierre & Miquelon Daylight Time
  • WGT - West Greenland Time
  • BRST - Brasilia Summer Time
  • FNT - Fernando de Noronha Time
  • O - Oscar Time Zone
  • UYST - Uruguay Summer 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