Daylight Savings Time Changes in Argentina 🇦🇷 (1940)
| 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
29 FEB
29 Feb 1940 - Daylight Saving Time Ends
When local standard time is about to reach Thursday, 29 February 1940, 23:59 clocks are turned backward 1 hour to
Thursday, 29 February 1940, 23:00 local standard time instead.
Sunrise and sunset will be about 1 hour earlier on 29 Feb 1940 than the day before. There will be more light in the morning.
Also called Fall Back.
Before
23
:
59
After
01
:
00
30 JUN
30 Jun 1940 - Daylight Saving Time Starts
When local standard time is about to reach Sunday, 30 June 1940, 23:59 clocks are turned forward 1 hour to
Sunday, 30 June 1940, 01:00 local daylight time instead.
Sunrise and sunset will be about 1 hour later on 30 Jun 1940 than the day before. There will be more light in the evening.
Also called Spring Forward.
Daylight Savings Time Schedules by Provinces in Argentina (1940)
| Province | DST Start (Spring) | DST End (Fall) |
|---|---|---|
| Buenos Aires | 30 Jun 1940 | 29 Feb 1940 |
| Buenos Aires F.D. | 30 Jun 1940 | 29 Feb 1940 |
| Catamarca | 30 Jun 1940 | 29 Feb 1940 |
| Chaco | 30 Jun 1940 | 29 Feb 1940 |
| Chubut | 30 Jun 1940 | 29 Feb 1940 |
| Cordoba | 30 Jun 1940 | 29 Feb 1940 |
| Corrientes | 30 Jun 1940 | 29 Feb 1940 |
| Entre Rios | 30 Jun 1940 | 29 Feb 1940 |
| Formosa | 30 Jun 1940 | 29 Feb 1940 |
| Jujuy | 30 Jun 1940 | 29 Feb 1940 |
| La Pampa | 30 Jun 1940 | 29 Feb 1940 |
| La Rioja | 30 Jun 1940 | 29 Feb 1940 |
| Mendoza | 30 Jun 1940 | 29 Feb 1940 |
| Misiones | 30 Jun 1940 | 29 Feb 1940 |
| Neuquen | 30 Jun 1940 | 29 Feb 1940 |
| Rio Negro | 30 Jun 1940 | 29 Feb 1940 |
| Salta | 30 Jun 1940 | 29 Feb 1940 |
| San Juan | 30 Jun 1940 | 29 Feb 1940 |
| San Luis | 30 Jun 1940 | 29 Feb 1940 |
| Santa Cruz | 30 Jun 1940 | 29 Feb 1940 |
| Santa Fe | 30 Jun 1940 | 29 Feb 1940 |
| Santiago del Estero | 30 Jun 1940 | 29 Feb 1940 |
| Tierra del Fuego | 30 Jun 1940 | 29 Feb 1940 |
| Tucuman | 30 Jun 1940 | 29 Feb 1940 |
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 1940?
Yes, Argentina observes Daylight Saving Time during the 1940 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 Thursday, 29 February 1940. 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 29 Feb 1940, 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.