AEST to Buenos Aires time conversion
Buenos Aires is 13 hours behind AEST.
AEST is always UTC+10. Right now most places that use AEST are on AEDT (UTC+11): Buenos Aires is 14 hours behind AEDT.
Time difference with your location
AEST is 10 hours ahead of UTC. Compare with your local time →
Choose a date and time
Choose the local time in AEST to convert it to Buenos Aires on that date.
Skipped clock-change times are unavailable; a repeated time uses its first occurrence.
24-hour conversion chart · AEST → Buenos Aires
This table converts each hour in AEST to Buenos Aires on 2026-10-22.
- Working hours
- Outside working hours
- Night hours
| AEST | Buenos Aires | Shared working hours |
|---|---|---|
| 00:0012:00 AM | 11:0011:00 AM -1 day | |
| 01:001:00 AM | 12:0012:00 PM -1 day | |
| 02:002:00 AM | 13:001:00 PM -1 day | |
| 03:003:00 AM | 14:002:00 PM -1 day | |
| 04:004:00 AM | 15:003:00 PM -1 day | |
| 05:005:00 AM | 16:004:00 PM -1 day | |
| 06:006:00 AM | 17:005:00 PM -1 day | |
| 07:007:00 AM | 18:006:00 PM -1 day | |
| 08:008:00 AM | 19:007:00 PM -1 day | |
| 09:009:00 AM | 20:008:00 PM -1 day | |
| 10:0010:00 AM | 21:009:00 PM -1 day | |
| 11:0011:00 AM | 22:0010:00 PM -1 day | |
| 12:0012:00 PM | 23:0011:00 PM -1 day | |
| 13:001:00 PM | 00:0012:00 AM | |
| 14:002:00 PM | 01:001:00 AM | |
| 15:003:00 PM | 02:002:00 AM | |
| 16:004:00 PM | 03:003:00 AM | |
| 17:005:00 PM | 04:004:00 AM | |
| 18:006:00 PM | 05:005:00 AM | |
| 19:007:00 PM | 06:006:00 AM | |
| 20:008:00 PM | 07:007:00 AM | |
| 21:009:00 PM | 08:008:00 AM | |
| 22:0010:00 PM | 09:009:00 AM | |
| 23:0011:00 PM | 10:0010:00 AM |
Quick conversion examples
These examples use AEST (UTC+10) and Buenos Aires (UTC-3); choosing a date applies the local clock changes.
Conversion formula: Buenos Aires = AEST − 13h · AEDT − 14h.
| AEST | Buenos Aires |
|---|---|
| 6:00 AM AEST | = 5:00 PM Buenos Aires (-1 day) |
| 7:00 AM AEST | = 6:00 PM Buenos Aires (-1 day) |
| 8:00 AM AEST | = 7:00 PM Buenos Aires (-1 day) |
| 9:00 AM AEST | = 8:00 PM Buenos Aires (-1 day) |
| 10:00 AM AEST | = 9:00 PM Buenos Aires (-1 day) |
| 12:00 PM AEST | = 11:00 PM Buenos Aires (-1 day) |
| 3:00 PM AEST | = 2:00 AM Buenos Aires |
| 5:00 PM AEST | = 4:00 AM Buenos Aires |
| 6:00 PM AEST | = 5:00 AM Buenos Aires |
| 8:00 PM AEST | = 7:00 AM Buenos Aires |
Overlapping meeting hours
The 08:00–18:00 working days in AEST and Buenos Aires do not overlap on 2026-10-22.
Clock changes on both sides, 2026–2028
AEST and Buenos Aires have the following local clock changes in 2026–2028; all times in the table are local to that side.
| Year | AEST | Buenos Aires |
|---|---|---|
| 2026 | · 03:00 → 02:00 · 02:00 → 03:00 | No clock changes; UTC-3 all year. |
| 2027 | · 03:00 → 02:00 · 02:00 → 03:00 | No clock changes; UTC-3 all year. |
| 2028 | · 03:00 → 02:00 · 02:00 → 03:00 | No clock changes; UTC-3 all year. |
At the start of 2026, Buenos Aires is 14 hours behind AEDT. The difference changes during the following periods.
- From 2026-04-05 02:00 AEST until 2026-10-04 03:00 AEDT, Buenos Aires is 13 hours behind AEST.
- From 2027-04-04 02:00 AEST until 2027-10-03 03:00 AEDT, Buenos Aires is 13 hours behind AEST.
- From 2028-04-02 02:00 AEST until 2028-10-01 03:00 AEDT, Buenos Aires is 13 hours behind AEST.
Frequently asked questions
What time is 9 AM AEST in Buenos Aires?
9:00 AM AEST = 8:00 PM Buenos Aires (-1 day), using UTC+10 and UTC-3. Choose a date above for the seasonal local time.
Does the time difference between AEST and Buenos Aires change during the year?
Yes. During 2026–2028: Buenos Aires is 14 hours behind AEST; Buenos Aires is 13 hours behind AEST. The clock-change table gives the dates for both sides.
How do I tell whether it is day or night in Buenos Aires?
Read the Buenos Aires clock above: this guide counts 06:00–18:00 local time as daytime and the rest as nighttime, without using sunrise and sunset.
What is the best time to call between AEST and Buenos Aires?
The 08:00–18:00 working days in AEST and Buenos Aires do not overlap.
What is the time difference between AEST and Buenos Aires now?
Right now, Buenos Aires is 13 hours behind AEST. Conversion formula: Buenos Aires = AEST − 13h · AEDT − 14h.