Time Difference Between Chile and Argentina
As of 31 August 2026, Argentina is 1 hour ahead of Chile. That number is not constant. Over the course of a year, because of daylight saving changes, Buenos Aires, Argentina ranges from level with it to 1 hour ahead relative to Santiago, Chile. The calculator below is always up to date.
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Santiago, Chile
18:34
Mon, Aug 31, 2026
UTC-4 · America/Santiago
Buenos Aires, Argentina
+1h19:34
Mon, Aug 31, 2026
UTC-3 · America/Argentina/Buenos_Aires
Argentina is 1 hour ahead of Chile.
Time zone details
| Place | Local date | Time zone | UTC offset | Summer time |
|---|---|---|---|---|
| Chile | Monday, August 31, 2026 | America/Santiago | UTC-4 | Not active now |
| Argentina | Monday, August 31, 2026 | America/Argentina/Buenos_Aires | UTC-3 | Not observed |
Chile: Continental Chile uses one time zone. Easter Island runs 2 hours behind the mainland, and the Magallanes region stays on UTC-3 all year.
Hour by hour: Chile to Argentina
Every hour of today in Chile and what it is in Argentina. Highlighted rows fall inside Argentina working hours (09:00–18:00).
| Chile | Argentina |
|---|---|
| 00:00 | 01:00 |
| 01:00 | 02:00 |
| 02:00 | 03:00 |
| 03:00 | 04:00 |
| 04:00 | 05:00 |
| 05:00 | 06:00 |
| 06:00 | 07:00 |
| 07:00 | 08:00 |
| 08:00 | 09:00 |
| 09:00 | 10:00 |
| 10:00 | 11:00 |
| 11:00 | 12:00 |
| Chile | Argentina |
|---|---|
| 12:00 | 13:00 |
| 13:00 | 14:00 |
| 14:00 | 15:00 |
| 15:00 | 16:00 |
| 16:00 | 17:00 |
| 17:00 | 18:00 |
| 18:00 | 19:00 |
| 19:00 | 20:00 |
| 20:00 | 21:00 |
| 21:00 | 22:00 |
| 22:00 | 23:00 |
| 23:00 | 00:00next day |
Best time to call or meet
Overlapping working hours
09:00–17:00 in Chile (10:00–18:00 in Argentina)
Both places are inside 09:00–18:00 for 8 hours a day. Anything in this window works without asking anyone to stay late.
Reasonable calling hours
08:00–20:00 in Chile (09:00–21:00 in Argentina)
Both people are awake and available between 08:00 and 21:00 local time during this window.
When this difference changes
Chile puts its clocks forward on Sunday, September 6, 2026
The local offset moves from UTC-4 to UTC-3. After that date, Argentina is on the same time as Chile — instead of 1 hour ahead, as it is today.
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Chile and Argentina: common questions
What is the time difference between Chile and Argentina?
As of 31 August 2026, Argentina is 1 hour ahead of Chile. The gap is not fixed: across the year, Argentina ranges from level with it to 1 hour ahead relative to Chile, as clocks change. The calculator on this page always shows the difference for right now.
When it is 9:00 AM in Chile, what time is it in Argentina?
It is 10:00 AM in Buenos Aires, Argentina. Use the time field in the calculator above to check any other hour.
Is Argentina ahead of or behind Chile?
Argentina is ahead of Chile by 1 hour at the moment. In practical terms, the working day in Argentina starts and ends earlier in Chile terms.
Do Chile and Argentina observe daylight saving time?
Chile changes its clocks twice a year; Argentina does not. The difference therefore shifts by an hour when Chile switches: across the year, Argentina ranges from level with it to 1 hour ahead relative to Chile.
What is the best time to call Argentina from Chile?
Working hours overlap between 09:00 and 17:00 Chile time, which is 10:00 to 18:00 in Argentina. Calls inside that window reach both sides during the normal working day.
Related comparisons
Local dates shown for Santiago, Chile (UTC-4) and Buenos Aires, Argentina (UTC-3) were generated on Monday, August 31, 2026 UTC and refresh in your browser.