A
Alpha Time Zone
GMT +1
12am
3am
6am
9am
12pm
3pm
6pm
9pm
Mexico
CST
12am
3am
6am
9am
12pm
3pm
6pm
9pm
Spain
CET
12am
3am
6am
9am
12pm
3pm
6pm
9pm

Compare A time with Mexico City and Barcelona time, including current local time, UTC offsets, time difference, daylight saving changes, working hours, and shareable meeting times.

Time Difference

Alpha Time Zone is 7 hours ahead of CST (Central Standard Time) and 0 hours ahead of CET (Central European Time)
1:00 pm13:00 in A is 6:00 am06:00 in Mexico City, Mexico and is 1:00 pm13:00 in Barcelona, Spain

A to Mexico City call time
Best time for a conference call or a meeting is between 4pm-5pm in A which corresponds to 9am-10am in Mexico City
A to Barcelona call time
Best time for a conference call or a meeting is between 9am-5pm in A which corresponds to 9am-5pm in Barcelona

1:00 pm13:00 Alpha Time Zone (A). Offset UTC +1:00 hour
6:00 am06:00 CST (Central Standard Time) (Mexico City, Mexico). Offset UTC -6:00 hours
1:00 pm13:00 CET (Central European Time) (Barcelona, Spain). Offset UTC +1:00 hour

1:00 pm13:00 A / 6:00 am06:00 Mexico City, Mexico / 1:00 pm13:00 Barcelona, Spain

AMexico City, MexicoBarcelona, Spain
12am (midnight)5pm12am (midnight)
1am6pm1am
2am7pm2am
3am8pm3am
4am9pm4am
5am10pm5am
6am11pm6am
7am12am (midnight)7am
8am1am8am
9am2am9am
10am3am10am
11am4am11am
12pm (noon)5am12pm (noon)
1pm6am1pm
2pm7am2pm
3pm8am3pm
4pm9am4pm
5pm10am5pm
6pm11am6pm
7pm12pm (noon)7pm
8pm1pm8pm
9pm2pm9pm
10pm3pm10pm
11pm4pm11pm
00:0017:0000:00
01:0018:0001:00
02:0019:0002:00
03:0020:0003:00
04:0021:0004:00
05:0022:0005:00
06:0023:0006:00
07:0000:0007:00
08:0001:0008:00
09:0002:0009:00
10:0003:0010:00
11:0004:0011:00
12:0005:0012:00
13:0006:0013:00
14:0007:0014:00
15:0008:0015:00
16:0009:0016:00
17:0010:0017:00
18:0011:0018:00
19:0012:0019:00
20:0013:0020:00
21:0014:0021:00
22:0015:0022:00
23:0016:0023:00

Alpha Time Zone

Offset: A is 1 hour ahead Greenwich Mean Time (GMT) and is used in Military

Daylight Saving: Clocks in Alpha Time Zone (A) do not change for daylight saving time, so A stays the same throughout the year. Other time zones may set clocks forward in summer and back in winter.

A representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • +01 - basic short
  • +0100 - basic
  • +01:00 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • +0100 - sign character (+) followed by a four digit time providing hours (01) and minutes (00) of the offset. Indicates an offset of one hour to the east of the zero meridian.
Military/NATO: Used by the U.S. military, Chinese military and others
  • Alpha - Military abbreviation for A
  • A - short form of 'Alpha'
Time zones with the GMT +1 offset:
  • BST - British Summer Time
  • CET - Central European Time
  • IST - Irish Standard Time
  • WEST - Western European Summer Time
  • A - Alpha Time Zone
  • CET - Central European Time
  • MEZ - Mitteleuropäische Zeit
  • WAT - West Africa Time
  • WST - Western Sahara Summer Time
  • BMT - Biel Mean Time

Mexico City Information

Time Zone

Abbreviation / Name
CST - Central Standard Time
UTC / GMT Offset
-6:00 hours during Central Standard Time, currently in use.

Mexico City Facts

Country
Mexico
Alternative Names
Cidade de Mexico, Cidade de México, Cidade do Mexico, Cidade do México, Cita du Messicu, Citta del Messico, Città del Messico, Cità dû Messicu, Cità dû Mèssicu, Ciudad Mexico, Ciudad de Mejico, Ciudad de Mexico, Ciudad de Méjico, Ciudad de México, Ciutat de Mexic, Ciutat de Mèxic, Lungsod ng Mexico, Lungsod ng México, MEX, Mehiko, Mekhiko, Meksikas, Meksiko, Meksiko Siti, Meksikurbo, Meksyk, Mexico, Mexico City, Mexico D.F., Mexico DF, Mexico Distrito Federal, Mexico by, Mexico-stad, Mexicopolis, Mexiko, Mexiko Hiria, Mexiko-Stadt, Mexikoborg, Mexíkóborg, México, México Distrito Federal, Nkoyo, Pole tou Mexikou, Valle de Mexico, Valle de México, mdynt mksykw, megsiko si, megsikositi, mekishikoshiti, meksiko, meksiko siti, meksikositi, mkzykw, mkzykwsyty, mo xi ge cheng, mqsyqw syty, Πόλη του Μεξικού, Мексико, Мексико Сити, Мехико, Мехіко, מקסיקו סיטי, مدينة مكسيكو, مکزیکو, مکزیکوسیتی, مېكسىكا شەھىرى, मेक्सिको सिटी, মেক্সিকো, เม็กซิโกซิตี, მეხიკო, メキシコシティ, 墨西哥城, 멕시코 시, 멕시코시티
Population
12,294,193
Currency
Peso (MXN)
Geographic Coordinates
19° 25' N Latitude / 99° 07' W Longitude
International Dialing Code
+52

Barcelona Information

Time Zone

Abbreviation / Name
CEST - Central European Summer Time
CET - Central European Standard Time
UTC / GMT Offset
+2:00 hours during Central European Summer Time, currently in use.
+1:00 hours during Central European Standard Time.
Daylight Saving Time Change
+1:00 hour - DST is in use
Daylight Saving Time Starts
Daylight saving time clock moves forward for one hour from 2am to 3amSunday, March 29, 2026 at 2:00 am local time. DST starts annually on the last Sunday of March. Clocks are turned forward 1 hour to Sunday, March 29, 2026 at 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 2amSunday, October 25, 2026 at 3:00 am local time. DST ends annually on the last Sunday of October. Clocks are turned backward 1 hour to Sunday, October 25, 2026 at 2:00 am local standard time instead. Also called Fall Back or switch to Winter Time.

Barcelona Facts

Country
Spain
Alternative Names
BCN, Barcellona, Barcellonn-a, Barcelona, Barcelone, Barcelono, Barceluna, Barcelůna, Barcełona, Barcillona, Barcino, Barkelone, Barseloana, Barselon, Barselona, Barselonae, Barselono, Barseluna, Barseluona, Barselóna, Barslon-a, Barsélona, Bartzellona, Bartzelona, Barzelona, Barçellonn-a, Barċellona, Lungsod ng Barcelona, ba sa long na, ba sai luo na, baleusellona, balsaleana, bar se lon a, barasilona, barselona, barsilona, barslwn, barslwna, barsylwna, barsێlۆna, baruserona, brshlwnt, brshlwnہ, brzlwnh, la Ciudad Condal, parcelona, Βαρκελώνη, Барселон, Барселонæ, Барселона, Барселоно, Բարսելոնա, בארצעלאנע, ברצלונה, بارسلون, بارسلونا, بارسیلونا, بارسێلۆنا, برشلونة, برشلونہ, बार्सिलोना, बार्सेलोना, বার্সেলোনা, ਬਾਰਸੀਲੋਨਾ, பார்செலோனா, ബാഴ്സലോണ, บาร์เซโลนา, ບາກເຊໂລນ, བྷར་སེ་ལོ་ནཱ།, ဘာစီလိုနာမြို့, ბარსელონა, ባርሴሎና, バルセロナ, 巴塞罗那, 巴薩隆拿, 바르셀로나
Population
1,621,537
Currency
Euro (EUR)
Geographic Coordinates
41° 23' N Latitude / 2° 09' E Longitude
International Dialing Code
+34