Argentina
-03
BST
British Summer Time
GMT +1

Time Difference

is 4 hours behind British Summer Time
9:30 am09:30 in Buenos Aires, Argentina is 1:30 pm13:30 in BST

Buenos Aires to BST call time
Best time for a conference call or a meeting is between 8am-2pm in Buenos Aires which corresponds to 12pm-6pm in BST

9:30 am09:30 (Buenos Aires, Argentina). Offset UTC -3:00 hours
1:30 pm13:30 British Summer Time (BST). Offset UTC +1:00 hour

9:30 am09:30 Buenos Aires, Argentina / 1:30 pm13:30 BST

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

Buenos Aires Information

Time Zone

Abbreviation / Name
-03 -
ART - Argentina Time
UTC / GMT Offset
-3:00 hours during , currently in use.
-3:00 hours during Argentina Time.
Daylight Saving Time Change
0:00 hours - DST is NOT in use
Daylight Saving Time Starts
Also called Spring Forward or Summer Time.
Daylight Saving Time Ends
Also called Fall Back or switch to Winter Time.

Buenos Aires Facts

Country
Argentina
Alternative Names
BUE, Baires, Bonaero, Bonaeropolis, Bonaëropolis, Bos Aires, Bouenos Aires, Bouonezar, Bouonézâr, Buehnas-Ajrehs, Buehnos Ajres, Buehnos-Ajres, Buehnos-Ajres osh, Buenos Aires, Buenos Airės, Buenos Ajres, Buenos Ayres, Buenos-Aires, Buenos-Ajres, Buenos-Ayres, Buenos-Aýres, Buenosairesa, Buénos Ayrés, Bwenoze, Bwènozè, Búenos Aíres, Ciudad Autonoma de Buenos Aires, Ciudad Autónoma de Buenos Aires, Ciudad de La Santisima Trinidad y Puerto de Santa Maria del Buen Ayre, Ciudad de La Santísima Trinidad y Puerto de Santa María del Buen Ayre, Lungsod ng Buenos Aires, Santa Maria del Buen Ayre, Santa María del Buen Ayre, bawnosxires, bu yi nuo si ai li si, bu'enosa a'iresa, buenos-airesi, buenosaires, buenoseuaileseu, buenosuairesu, buraenosa a'iresa, buyenosa a'iresa, bwyns ayrs, bwynws ayrs, bwynws ayrys, byu'enosa erisa, byunas airis, byunas ayels, bywns ayrs, puvenas airis, Μπουένος ΄Aιρες, Μπουένος Άιρες, Буенос Аирес, Буенос Айрес, Буенос Аірес, Буенос Ајрес, Буенос-Аирес, Буенос-Айрес, Буэнас-Айрэс, Буэнос Айрес, Буэнос-Айрес, Буэнос-Айрес ош, Բուենոս Այրես, בואנוס איירס, בוענאס איירעס, بوئنوس آیرس, بوينس آيرس, بوينوس ايريس, بۆینس ئایرس, بیونس آئرس, बुएनोस आइरेस, ब्युएनॉस एरीस, বুয়েনোস আইরেস, বুৱেনোস আইরেস, புவெனஸ் ஐரிஸ், ಬ್ಯೂನಸ್ ಐರಿಸ್, ബ്യൂണസ് അയേഴ്സ്, บัวโนสไอเรส, པུ་ཨེ་ནོ་སི་ཨས་རི་སི།, ဗျူနိုအေးရိစ်မြို့, ბუენოს-აირესი, ብዌኖስ አይሬስ, ブエノスアイレス, 布宜諾斯艾利斯, 布宜诺斯艾利斯, 부에노스아이레스
Population
13,076,300
Currency
Peso (ARS)
Geographic Coordinates
34° 36' S Latitude / 58° 22' W Longitude
International Dialing Code
+54

British Summer Time

Offset: BST is 1 hour ahead Greenwich Mean Time (GMT) and is used in Europe

Countries: It is used in following countries: Britain (UK), Guernsey, Isle of Man, Jersey

Principal Cities: The largest city in the BST timezone is London from United Kingdom with population about 7.557 million people. Other major cities in the area are Birmingham, Glasgow, Liverpool, Saint Helier

BST Time Zone Geo Map
BST timezone map

Daylight Saving: British Summer Time (BST) is a daylight saving/summer timezone, however during winter some places switch clocks for one hour back and observe Greenwich Mean Time (GMT).

Daylight saving time clock moves forward for one hour from 1am to 2amStart: British Summer Time (BST) started on Sunday, March 30, 2025 at 1:00 am local time and clocks were set one hour forward to Sunday, March 30, 2025, 2:00 am. Daylight saving starts annually the on last Sunday of March

Daylight saving time clock moves back for one hour from 2am to 1amEnd: British Summer Time (BST) ends on Sunday, October 26, 2025 at 2:00 am local time and clocks are set one hour back to Sunday, October 26, 2025, 1:00 am local standard time instead. Daylight saving ends annually the on last Sunday of October

BST 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 one hour and zero minutes time differences to the east of the zero meridian.
Military/NATO: Used by the U.S. military, Chinese military and others
  • Alpha - Military abbreviation for BST
  • A - short form of 'Alpha'
IANA/Olson: Reflects BST time zone boundaries defined by political bodies, primarily intended for use with computer programs and operating systems
  • Europe/Belfast
  • Europe/Guernsey
  • Europe/Isle_of_Man
  • Europe/Jersey
  • Europe/London
  • GB
  • GB-Eire
BST Abbreviation: Several time zones share BST abbreviation and it could refer to these time zones
  • British Summer Time - UTC +1
  • Bangladesh Standard Time - UTC +6
  • Bougainville Standard Time - UTC +11
  • Brasilia Standard Time - UTC -3
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