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AMT/AMST

Amazon Time

UTC−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)

CEST/CET

Central European Summer Time

UTC+2

6h ahead

12am

3am

6am

9am

12pm

3pm

6pm

9pm

Central Europe is on summer time: CEST (UTC+2) until Sun, Oct 25.

Use CET all year (UTC+1)

Quick answers

Selected conversion

8:00 am08:00 AMT (UTC-4), Oct 18, 2026 = 2:00 pm14:00 CEST (UTC+2), Oct 18, 2026

AMT is 6 hours behind CEST.

AMST and CET examples

These examples always use AMST (UTC-3) and CET (UTC+1). They stay the same when you change the date or time above. The selected conversion may differ when daylight saving time applies.

AMST is 4 hours behind CET.

How the time difference changes

For most of the year, AMT is 6 hours behind CEST. From Oct 25, 2026 to Mar 28, 2027, AMT is 5 hours behind CET.

For most of the year, working hours of 9:00 am to 6:00 pm in AMT correspond to 3:00 pm to 12:00 am (next day) in CEST. At other times of the year, working hours of 9:00 am to 6:00 pm in AMT correspond to 2:00 pm to 11:00 pm in CET.For most of the year, working hours of 09:00 to 18:00 in AMT correspond to 15:00 to 00:00 (next day) in CEST. At other times of the year, working hours of 09:00 to 18:00 in AMT correspond to 14:00 to 23:00 in CET.

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

Time Difference

Amazon Time is 6 hours behind Central European Summer Time.
8:00 am08:00 in AMT is 2:00 pm14:00 in CEST

AMT to CEST call time
Best time for a conference call or a meeting is between 9am-12pm09:00-12:00 in AMT which corresponds to 3pm-6pm15:00-18:00 in CEST

8:00 am08:00 Amazon Time (AMT). Offset UTC -4:00 hours
2:00 pm14:00 Central European Summer Time (CEST). Offset UTC +2:00 hours

8:00 am08:00 AMT / 2:00 pm14:00 CEST

Choose an hour to update the converter. Day labels such as “next day” or “+1” are relative to the selected date in the first column. Use Up and Down arrow keys, Home or End to move between hours, then Enter or Space to select.

Hourly time comparison
AMT	CEST
	6:00am
	7:00am
	8:00am
	9:00am
	10:00am
	11:00am
	12:00pm
	1:00pm
	2:00pm
	3:00pm
	4:00pm
	5:00pm
	6:00pm
	7:00pm
	8:00pm
	9:00pm
	10:00pm
	11:00pm
	12:00am next day
	1:00am next day
	2:00am next day
	3:00am next day
	4:00am next day
	5:00am next day
	06:00
	07:00
	08:00
	09:00
	10:00
	11:00
	12:00
	13:00
	14:00
	15:00
	16:00
	17:00
	18:00
	19:00
	20:00
	21:00
	22:00
	23:00
	00:00 next day
	01:00 next day
	02:00 next day
	03:00 next day
	04:00 next day
	05:00 next day

Amazon Summer Time

Offset: AMST is 3 hours behind Greenwich Mean Time (GMT).

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 - Brasilia Time
CLST - Chile Summer Time
FKST - Falkland Islands Summer Time
FKT - Falkland Islands Time
GFT - French Guiana Time
P - Papa Time Zone
PYST - Paraguay Summer Time
PYT - Paraguay Time
SRT - Suriname Time
UYT - Uruguay Time

Central European Time

Offset: CET is 1 hour ahead of Greenwich Mean Time (GMT).

Countries using this time zone: Albania, Algeria, Andorra, Austria, Belgium, Bosnia and Herzegovina, Croatia, Czechia, Denmark, France, Germany, Gibraltar, Hungary, Italy, Kosovo, Liechtenstein, Luxembourg, Malta, Monaco, Montenegro, Netherlands, North Macedonia, Norway, Poland, San Marino, Serbia, Slovakia, Slovenia, Spain, Svalbard and Jan Mayen, Sweden, Switzerland, Tunisia, Vatican City

Principal Cities: The largest city in the CET time zone is Berlin in Germany, with about 3.426 million people. Other major cities in this time zone include Madrid, Algiers, Rome, Paris.

German: MEZ - Mitteleuropäische Zeit

Map of the areas on Central European Time (CET) — CET all year CET part of the year
Today the lighter areas are on UTC+2 (CEST).
Open the world time zone map © OpenStreetMap

Daylight Saving: This is a standard time zone. During summer, some places set clocks forward one hour for daylight saving time and observe Central European Summer Time (CEST).

End: Central European Time (CET) ended on Sunday, March 29, 2026 at 2:00 am02:00 local time and clocks were set one hour forward to Sunday, March 29, 2026, 3:00 am03:00 local daylight time instead. Standard time ends annually on the last Sunday of March.

Start: Central European Time (CET) starts on Sunday, October 25, 2026 at 3:00 am03:00 local time and clocks are set one hour back to Sunday, October 25, 2026, 2:00 am02:00. Standard time starts annually on the last Sunday of October.

See upcoming clock changes worldwide.

CET representations, usage and related time zones