Buenos Aires time zone facts
| Date | Tuesday, October 20, 2026 |
|---|---|
| Time zone | Argentina Standard Time (America/Argentina/Buenos_Aires) |
| UTC offset | UTC−3 |
| Daylight saving | Not observed |
| Sunrise / sunset | 06:05 AM / 07:12 PM (Tue, October 20) |
| Country | Argentina — one time zone nationwide |
| Coordinates | 34.6° S, 58.38° W |
London to Buenos Aires time converter
London hour by hour in Buenos Aires time; the 5 highlighted rows are business hours (9 am–6 pm) in both cities.
| London | Buenos Aires |
|---|---|
| 00:00 | 20:00 (previous day) |
| 01:00 | 21:00 (previous day) |
| 02:00 | 22:00 (previous day) |
| 03:00 | 23:00 (previous day) |
| 04:00 | 00:00 |
| 05:00 | 01:00 |
| 06:00 | 02:00 |
| 07:00 | 03:00 |
| 08:00 | 04:00 |
| 09:00 | 05:00 |
| 10:00 | 06:00 |
| 11:00 | 07:00 |
| 12:00 | 08:00 |
| 13:00 | 09:00 |
| 14:00 | 10:00 |
| 15:00 | 11:00 |
| 16:00 | 12:00 |
| 17:00 | 13:00 |
| 18:00 | 14:00 |
| 19:00 | 15:00 |
| 20:00 | 16:00 |
| 21:00 | 17:00 |
| 22:00 | 18:00 |
| 23:00 | 19:00 |
Buenos Aires time compared with world cities
Relative to Buenos Aires; gaps with daylight-saving cities shift by an hour during the year.
| City | UTC offset | Compared with Buenos Aires |
|---|---|---|
| Istanbul | UTC+3 | 6 hours ahead |
| London | UTC+1 | 4 hours ahead |
| New York | UTC−4 | 1 hour behind |
| Los Angeles | UTC−7 | 4 hours behind |
| Dubai | UTC+4 | 7 hours ahead |
| Moscow | UTC+3 | 6 hours ahead |
| Tokyo | UTC+9 | 12 hours ahead |
| Sydney | UTC+11 | 14 hours ahead |
Daylight saving time
Buenos Aires does not observe daylight saving time; the clock stays at UTC−3 all year.
Sunrise and sunset in Buenos Aires
Next 7 days, local time (±2 min).
| Day | Sunrise | Sunset | Day length |
|---|---|---|---|
| Tue, October 20 | 06:05 AM | 07:12 PM | 13 h 7 min |
| Wed, October 21 | 06:03 AM | 07:12 PM | 13 h 9 min |
| Thu, October 22 | 06:02 AM | 07:13 PM | 13 h 11 min |
| Fri, October 23 | 06:01 AM | 07:14 PM | 13 h 13 min |
| Sat, October 24 | 06:00 AM | 07:15 PM | 13 h 15 min |
| Sun, October 25 | 05:59 AM | 07:16 PM | 13 h 17 min |
| Mon, October 26 | 05:58 AM | 07:17 PM | 13 h 19 min |
Golden hour and blue hour in Buenos Aires
Local times for Tue, October 20 (golden hour: sun 6° above to 4° below the horizon; blue hour: 4° to 6° below):
| Morning blue hour | 05:39 AM – 05:49 AM |
|---|---|
| Morning golden hour | 05:49 AM – 06:38 AM |
| Evening golden hour | 06:38 PM – 07:27 PM |
| Evening blue hour | 07:27 PM – 07:38 PM |
Golden hour calculator for any date or location
Frequently Asked Questions
What is the time difference between Buenos Aires and London?
Buenos Aires is currently 4 hours behind London.
What time zone is Buenos Aires in?
Buenos Aires is in Argentina Standard Time (UTC−3). IANA time zone ID: America/Argentina/Buenos_Aires.
Does Buenos Aires observe daylight saving time?
Buenos Aires does not observe daylight saving time; the clock stays at UTC−3 all year.
When is golden hour in Buenos Aires?
On Tue, October 20, evening golden hour in Buenos Aires runs 06:38 PM – 07:27 PM and morning golden hour 05:49 AM – 06:38 AM (local time).
What time is sunrise and sunset in Buenos Aires?
On Tue, October 20, sunrise in Buenos Aires is at 06:05 AM and sunset at 07:12 PM, a day length of 13 h 7 min (local time).