Daylight Savings Time Changes in Argentina 🇦🇷 (1939)
| Country: | Argentina |
| Capital: | Buenos Aires |
| Abbreviations: | AR, ARG |
| IANA Time Zones: | 19 |
| Dial Code: | +54 |
Daylight Savings Time Schedule and Information
Before
23
:
59
After
23
:
00
28 FEB
28 Feb 1939 - Daylight Saving Time Ends
When local standard time is about to reach Tuesday, 28 February 1939, 23:59 clocks are turned backward 1 hour to
Tuesday, 28 February 1939, 23:00 local standard time instead.
Sunrise and sunset will be about 1 hour earlier on 28 Feb 1939 than the day before. There will be more light in the morning.
Also called Fall Back.
Before
23
:
59
After
01
:
00
31 OCT
31 Oct 1939 - Daylight Saving Time Starts
When local standard time is about to reach Tuesday, 31 October 1939, 23:59 clocks are turned forward 1 hour to
Tuesday, 31 October 1939, 01:00 local daylight time instead.
Sunrise and sunset will be about 1 hour later on 31 Oct 1939 than the day before. There will be more light in the evening.
Also called Spring Forward.
Daylight Savings Time Schedules by Provinces in Argentina (1939)
| Province | DST Start (Spring) | DST End (Fall) |
|---|---|---|
| Buenos Aires | 31 Oct 1939 | 28 Feb 1939 |
| Buenos Aires F.D. | 31 Oct 1939 | 28 Feb 1939 |
| Catamarca | 31 Oct 1939 | 28 Feb 1939 |
| Chaco | 31 Oct 1939 | 28 Feb 1939 |
| Chubut | 31 Oct 1939 | 28 Feb 1939 |
| Cordoba | 31 Oct 1939 | 28 Feb 1939 |
| Corrientes | 31 Oct 1939 | 28 Feb 1939 |
| Entre Rios | 31 Oct 1939 | 28 Feb 1939 |
| Formosa | 31 Oct 1939 | 28 Feb 1939 |
| Jujuy | 31 Oct 1939 | 28 Feb 1939 |
| La Pampa | 31 Oct 1939 | 28 Feb 1939 |
| La Rioja | 31 Oct 1939 | 28 Feb 1939 |
| Mendoza | 31 Oct 1939 | 28 Feb 1939 |
| Misiones | 31 Oct 1939 | 28 Feb 1939 |
| Neuquen | 31 Oct 1939 | 28 Feb 1939 |
| Rio Negro | 31 Oct 1939 | 28 Feb 1939 |
| Salta | 31 Oct 1939 | 28 Feb 1939 |
| San Juan | 31 Oct 1939 | 28 Feb 1939 |
| San Luis | 31 Oct 1939 | 28 Feb 1939 |
| Santa Cruz | 31 Oct 1939 | 28 Feb 1939 |
| Santa Fe | 31 Oct 1939 | 28 Feb 1939 |
| Santiago del Estero | 31 Oct 1939 | 28 Feb 1939 |
| Tierra del Fuego | 31 Oct 1939 | 28 Feb 1939 |
| Tucuman | 31 Oct 1939 | 28 Feb 1939 |
DST Changes Summary for Argentina
| Date | Year | Change | Time | Details |
|---|---|---|---|---|
| 18 Oct | 2008 | Forward 1 hour | 23:59 ➜ 01:00 | Daylight Saving Start |
| 14 Mar | 2009 | Back 1 hour | 23:59 ➜ 23:00 | Daylight Saving End |
Read More About Daylight Savings Time
Common Questions about Daylight Savings Time Changes in Argentina
Does Argentina use Daylight Saving Time in 1939?
Yes, Argentina observes Daylight Saving Time during the 1939 calendar year. The country follows the practice of shifting clocks to better align waking hours with the available evening sunlight during the spring and summer months.
When do the clocks change next in Argentina?
The next scheduled time transition in Argentina will take place on Tuesday, 28 February 1939. At 23:59 local time, clocks will be turned backward by 1 hour. This specific change marks the transition to daylight saving time ends.
Does all of Argentina follow the same time change schedule?
Yes, the calendar dates for starting and ending Daylight Saving Time are consistent across the country. However, because Argentina spans 19 different time zones, the actual moment the clocks move occurs at different times depending on the local timezone of each province.
How will the next transition affect the day in Argentina?
Following the shift on 28 Feb 1939, you will notice that there is more light in the morning compared to the day before. While the transition may temporarily disrupt sleep patterns, the primary goal of this backward shift is to maximize usable daylight for the population.