ART to BST Converter
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Selected conversion
9:00 am09:00 ART (UTC-3), Oct 18, 2026 = 1:00 pm13:00 BST (UTC+1), Oct 18, 2026
ART is 4 hours behind BST.
ART and BST examples
These examples always use ART (UTC-3) and BST (UTC+1). They stay the same when you change the date or time above. The selected conversion may differ when daylight saving time applies.
ART is 4 hours behind BST.
How the time difference changes
For most of the year, ART is 4 hours behind BST. From Oct 25, 2026 to Mar 28, 2027, ART is 3 hours behind GMT.
For most of the year, working hours of 9:00 am to 6:00 pm in ART correspond to 1:00 pm to 10:00 pm in BST. At other times of the year, working hours of 9:00 am to 6:00 pm in ART correspond to 12:00 pm to 9:00 pm in GMT.For most of the year, working hours of 09:00 to 18:00 in ART correspond to 13:00 to 22:00 in BST. At other times of the year, working hours of 09:00 to 18:00 in ART correspond to 12:00 to 21:00 in GMT.
Compare ART time with BST time, including current local time, UTC offsets, time difference, daylight saving changes, working hours, and shareable meeting times.
Time Difference
Argentina Time is 4 hours behind British Summer Time.
9:00 am09:00 in ART is 1:00 pm13:00 in BST
ART to BST call time
Best time for a conference call or a meeting is between 9am-2pm09:00-14:00 in ART which corresponds to 1pm-6pm13:00-18:00 in BST
9:00 am09:00 Argentina Time (ART). Offset UTC -3:00 hours
1:00 pm13:00 British Summer Time (BST). Offset UTC +1:00 hour
9:00 am09:00 ART / 1:00 pm13:00 BST
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.
| ART | BST |
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Argentina Time
Offset: ART is 3 hours behind Greenwich Mean Time (GMT).
Countries using this time zone: Argentina
Principal Cities: The largest city in the ART time zone is Buenos Aires in Argentina, with about 2.891 million people. Other major cities in this time zone include Córdoba, Rosario, Mar del Plata, San Miguel de Tucumán.
Daylight Saving: Clocks in Argentina Time (ART) do not change for daylight saving time, so ART stays the same throughout the year. Other time zones may set clocks forward in summer and back in winter; see upcoming clock changes worldwide.
ART representations, usage and related time zones
- -03 - basic short
- -0300 - basic
- -03:00 - extended
- -0300 - sign character (-) followed by a four digit time providing hours (03) and minutes (00) of the offset. Indicates an offset of three hours to the west of the zero meridian.
- Papa - Military abbreviation for ART
- P - short form of 'Papa'
- ADT - Atlantic Daylight Time
- PMT - Pierre & Miquelon Standard Time
- PMST - Pierre & Miquelon Standard Time
- AMST - Amazon Summer Time
- ART - Argentina Time
- BRT - Brasilia Time
- CLST - Chile Summer Time
- FKST - Falkland Islands Summer Time
- FKT - Falkland Islands Time
- GFT - French Guiana Time
- P - Papa Time Zone
- PYST - Paraguay Summer Time
- PYT - Paraguay Time
- SRT - Suriname Time
- UYT - Uruguay Time
British Summer Time
Offset: BST is 1 hour ahead of Greenwich Mean Time (GMT).
Countries using this time zone: Guernsey, Isle of Man, Jersey, United Kingdom
Principal Cities: The largest city in the BST time zone is London in the United Kingdom, with about 8.962 million people. Other major cities in this time zone include Birmingham, Glasgow, Manchester, Sheffield.
Current time in the United Kingdom: UK time now
Today all shaded areas are on BST.
Daylight Saving: British Summer Time (BST) is a daylight saving/summer time zone. During winter, some places set clocks back one hour and observe Greenwich Mean Time (GMT).
Start: British Summer Time (BST) started on Sunday, March 29, 2026 at 1:00 am01:00 local time and clocks were set one hour forward to Sunday, March 29, 2026, 2:00 am02:00. Daylight saving starts annually on the last Sunday of March.
End: British Summer Time (BST) ends on Sunday, October 25, 2026 at 2:00 am02:00 local time and clocks are set one hour back to Sunday, October 25, 2026, 1:00 am01:00 local standard time instead. Daylight saving ends annually on the last Sunday of October.
See United Kingdom daylight saving time and upcoming clock changes worldwide.
BST representations, usage and related time zones
- +01 - basic short
- +0100 - basic
- +01:00 - extended
- +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.
- Alpha - Military abbreviation for BST
- A - short form of 'Alpha'
- Europe/Belfast
- Europe/Guernsey
- Europe/Isle_of_Man
- Europe/Jersey
- Europe/London
- GB
- GB-Eire
- British Summer Time - UTC +1
- Bangladesh Standard Time - UTC +6
- Bougainville Standard Time - UTC +11
- 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