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WGT to AST Converter

Updating current time…
WGT
West Greenland Time
GMT -2
12am
3am
6am
9am
12pm
3pm
6pm
9pm
AST
Atlantic Standard Time
GMT -4
12am
3am
6am
9am
12pm
3pm
6pm
9pm

Quick answers

For most of the year, WGST is 2 hours ahead of ADT. During seasonal clock changes, WGT is 2 hours ahead of AST or WGT is 1 hour ahead of ADT.

For most of the year, working hours of 9:00 am to 5:00 pm in WGST correspond to 7:00 am to 3:00 pm in ADT. During seasonal clock changes, working hours of 9:00 am to 5:00 pm in WGT correspond to 7:00 am to 3:00 pm in AST or working hours of 9:00 am to 5:00 pm in WGT correspond to 8:00 am to 4:00 pm in ADT.

For example, 10:00 am WGT is 8:00 am AST. Use the converter above to adjust the date or time and create a shareable meeting link.

Best meeting overlap: 11am-5pm WGT, which is 9am-3pm AST.

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

Time Difference

West Greenland Time is 2 hours ahead of Atlantic Standard Time
10:00 am10:00 in WGT is 8:00 am08:00 in AST

WGT to AST call time
Best time for a conference call or a meeting is between 11am-5pm in WGT which corresponds to 9am-3pm in AST

10:00 am10:00 West Greenland Time (WGT). Offset UTC -2:00 hours
8:00 am08:00 Atlantic Standard Time (AST). Offset UTC -4:00 hours

10:00 am10:00 WGT / 8:00 am08:00 AST

WGTAST
12am (midnight)10pm
1am11pm
2am12am (midnight)
3am1am
4am2am
5am3am
6am4am
7am5am
8am6am
9am7am
10am8am
11am9am
12pm (noon)10am
1pm11am
2pm12pm (noon)
3pm1pm
4pm2pm
5pm3pm
6pm4pm
7pm5pm
8pm6pm
9pm7pm
10pm8pm
11pm9pm
00:0022:00
01:0023:00
02:0000:00
03:0001:00
04:0002:00
05:0003:00
06:0004:00
07:0005:00
08:0006:00
09:0007:00
10:0008:00
11:0009:00
12:0010:00
13:0011:00
14:0012:00
15:0013:00
16:0014:00
17:0015:00
18:0016:00
19:0017:00
20:0018:00
21:0019:00
22:0020:00
23:0021:00

West Greenland Time

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

WGT Time Zone Geo Map
WGT timezone map

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).

Daylight saving time clock moves back for one hour from 12am to 11pmStart: West Greenland Time (WGT) started on Sunday, October 26, 2025 at 12:00 am local time and clocks were set one hour back to Saturday, October 25, 2025, 11:00 pm. Standard time starts annually on the last Sunday of October.

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

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

Atlantic Standard Time

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

Countries using this time zone: Antigua & Barbuda, Anguilla, Aruba, Barbados, St Barthelemy, Bermuda, Caribbean NL, Canada, Curaçao, Dominica, Dominican Republic, Grenada, Greenland, Guadeloupe, St Kitts & Nevis, St Lucia, St Martin (French), Martinique, Montserrat, Puerto Rico, St Maarten (Dutch), Trinidad & Tobago, St Vincent, Virgin Islands (UK), Virgin Islands (US)

Principal Cities: The largest city in the AST time zone is Santo Domingo in Dominican Republic, with about 2.202 million people. Other major cities in this time zone include Santiago de los Caballeros, Santo Domingo Oeste, San Juan, Halifax.

French: HNA - Heure Normale de l'Atlantique

Spanish: AST - Tiempo Estándar del Atlántico

AST Time Zone Geo Map
AST timezone map

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

Daylight saving time clock moves back for one hour from 2am to 1amStart: Atlantic Standard Time (AST) started on Sunday, November 2, 2025 at 2:00 am local time and clocks were set one hour back to Sunday, November 2, 2025, 1:00 am. Standard time starts annually on the first Sunday of November.

Daylight saving time clock moves forward for one hour from 2am to 3amEnd: Atlantic Standard Time (AST) ends on Sunday, March 8, 2026 at 2:00 am local time and clocks are set one hour forward to Sunday, March 8, 2026, 3:00 am local daylight time instead. Standard time ends annually on the second Sunday of March.

AST 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 AST
  • Q - short form of 'Quebec'
IANA/Olson: Reflects AST time zone boundaries defined by political bodies, primarily intended for use with computer programs and operating systems
  • America/Anguilla
  • America/Antigua
  • America/Aruba
  • America/Barbados
  • America/Blanc-Sablon
  • America/Curacao
  • America/Dominica
  • America/Glace_Bay
  • America/Goose_Bay
  • America/Grenada
  • America/Guadeloupe
  • America/Halifax
  • America/Kralendijk
  • America/Lower_Princes
  • America/Marigot
  • America/Martinique
  • America/Moncton
  • America/Montserrat
  • America/Port_of_Spain
  • America/Puerto_Rico
  • America/Santo_Domingo
  • America/St_Barthelemy
  • America/St_Kitts
  • America/St_Lucia
  • America/St_Thomas
  • America/St_Vincent
  • America/Thule
  • America/Tortola
  • America/Virgin
  • Atlantic/Bermuda
  • Canada/Atlantic
AST Abbreviation: Several time zones share AST abbreviation and it could refer to these time zones
  • Atlantic Standard Time - UTC -4
  • Arabia Standard Time - UTC +3
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
EST to ISTGMT to ESTPST to ESTEST to GMTPST to GMT