Spain
CET
AST
Atlantic Standard Time
GMT -4

Time Difference

CET (Central European Time) is 5 hours ahead of Atlantic Standard Time
10:00 pm22:00 in Usera, Spain is 5:00 pm17:00 in AST

Usera to AST call time
Best time for a conference call or a meeting is between 1pm-6pm in Usera which corresponds to 8am-1pm in AST

10:00 pm22:00 CET (Central European Time) (Usera, Spain). Offset UTC +1:00 hour
5:00 pm17:00 Atlantic Standard Time (AST). Offset UTC -4:00 hours

10:00 pm22:00 Usera, Spain / 5:00 pm17:00 AST

Usera, Spain AST
12am (midnight) 7pm
1am 8pm
2am 9pm
3am 10pm
4am 11pm
5am 12am (midnight)
6am 1am
7am 2am
8am 3am
9am 4am
10am 5am
11am 6am
12pm (noon) 7am
1pm 8am
2pm 9am
3pm 10am
4pm 11am
5pm 12pm (noon)
6pm 1pm
7pm 2pm
8pm 3pm
9pm 4pm
10pm 5pm
11pm 6pm
0:00 19:00
1:00 20:00
2:00 21:00
3:00 22:00
4:00 23:00
5:00 0:00
6:00 1:00
7:00 2:00
8:00 3:00
9:00 4:00
10:00 5:00
11:00 6:00
12:00 7:00
13:00 8:00
14:00 9:00
15:00 10:00
16:00 11:00
17:00 12:00
18:00 13:00
19:00 14:00
20:00 15:00
21:00 16:00
22:00 17:00
23:00 18:00

Usera Information

Time Zone

Abbreviation / Name
CET - Central European Time
CEST - Central European Summer Time
UTC / GMT Offset
+1:00 hour during Central European Time, currently in use.
+2:00 hours during Central European Summer Time.
Daylight Saving Time Change
+1:00 hour - DST is NOT in use
Daylight Saving Time Starts
Daylight saving time clock moves forward for one hour from 2am to 3am Sunday, March 31, 2024 at 2:00 am local time. DST starts annually the on last Sunday of March. Clocks are turned forward 1 hour to Sunday, March 31, 2024, 3:00 am local daylight time instead. Also called Spring Forward or Summer Time.
Daylight Saving Time Ends
Daylight saving time clock moves back for one hour from 3am to 2am Sunday, October 27, 2024 at 3:00 am local time. DST ends annually the on last Sunday of October. Clocks are turned backward 1 hour to Sunday, October 27, 2024, 2:00 am local standard time instead. Also called Fall Back or switch to Winter Time.

Usera Facts

Country
Spain
Alternative Names
Distrito Usera
Population
141,189
Currency
Euro (EUR)
Geographic Coordinates
40° 23' N Latitude / 3° 42' W Longitude
International Dialing Code
+34

Atlantic Standard Time

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

Countries: It is used in following countries: 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 timezone is Santo Domingo from Dominican Republic with population about 2.202 million people. Other major cities in the area are 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 timezone, however during summer some places switch clocks for one hour forward when daylight saving comes into effect 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 3, 2024 at 2:00 am local time and clocks were set one hour back to Sunday, November 3, 2024, 1:00 am. Standard time starts annually the on 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 9, 2025 at 2:00 am local time and clocks are set one hour forward to Sunday, March 9, 2025, 3:00 am local daylight time instead. Standard time starts annually the on 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 four hour and zero minutes time differences 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
  • Arabian Standard Time - UTC +3
  • Argentina Standard Time - UTC -3
  • Apia Standard Time - UTC +13
  • Azores Summer Time - UTC +0
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