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AMT
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WGST/WGT
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WGT is not used on this date.

This converter uses WGST (UTC−1), as in Godthab.

Quick answers

Selected conversion

8:00 am08:00 AMT (UTC-4), Oct 12, 2026 = 11:00 am11:00 WGST (UTC-1), Oct 12, 2026

AMT is 3 hours behind WGST.

AMT and WGT examples

These examples always use AMT (UTC-4) and WGT (UTC-2). They stay the same when you change the date or time above. The selected conversion may differ when daylight saving time applies.

AMT is 2 hours behind WGT.

How the time difference changes

For most of the year, AMT is 3 hours behind WGST. From Oct 25, 2026 to Mar 27, 2027, AMT is 2 hours behind WGT.

For most of the year, working hours of 9:00 am to 5:00 pm in AMT correspond to 12:00 pm to 8:00 pm in WGST. At other times of the year, working hours of 9:00 am to 5:00 pm in AMT correspond to 11:00 am to 7:00 pm in WGT.For most of the year, working hours of 09:00 to 17:00 in AMT correspond to 12:00 to 20:00 in WGST. At other times of the year, working hours of 09:00 to 17:00 in AMT correspond to 11:00 to 19:00 in WGT.

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

Time Difference

Amazon Time is 3 hours behind Western Greenland Summer Time.
8:00 am08:00 in AMT is 11:00 am11:00 in WGST

AMT to WGST call time
Best time for a conference call or a meeting is between 9am-2pm09:00-14:00 in AMT which corresponds to 12pm-5pm12:00-17:00 in WGST

8:00 am08:00 Amazon Time (AMT). Offset UTC -4:00 hours
11:00 am11:00 Western Greenland Summer Time (WGST). Offset UTC -1:00 hours

8:00 am08:00 AMT / 11:00 am11:00 WGST

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
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Amazon Time

Offset: AMT is 4 hours behind Greenwich Mean Time (GMT).

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 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

West Greenland Time

Offset: WGT is 2 hours behind Greenwich Mean Time (GMT).

Map of the areas on West Greenland Time (WGT)
WGT part of the year

Today the shaded areas are on UTC−1.

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

123456789101112End: West Greenland Time (WGT) ended on Saturday, March 28, 2026 at 11:00 pm23:00 local time and clocks were set one hour forward to Sunday, March 29, 2026, 12:00 am00:00 local daylight time instead. Standard time ends annually on the last Saturday of March.

123456789101112Start: West Greenland Time (WGT) starts on Sunday, October 25, 2026 at 12:00 am00:00 local time and clocks are set one hour back to Saturday, October 24, 2026, 11:00 pm23:00. Standard time starts annually on the last Sunday of October.

See upcoming clock changes worldwide.

WGT 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 WGT
  • 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