Last change: 2008
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Mar 16, 2008, 12:00 midnight
| DST is observed all year during 1948 in San Juan |
DST Observed All Year in Year 1948
Argentina observed Daylight Saving Time all year.
Daylight Saving Time in Other Years
DST changes do not necessarily occur on the same date every year.
| Year | DST End (Clock Backward) | DST Start (Clock Forward) |
|---|---|---|
| 1925 — 1929 | DST not observed | |
| 1930 | No DST End | Monday, December 1, 12:00 midnight |
| 1931 | Wednesday, April 1, 12:00 midnight | Thursday, October 15, 12:00 midnight |
| 1932 | Tuesday, March 1, 12:00 midnight | Tuesday, November 1, 12:00 midnight |
| 1933 | Wednesday, March 1, 12:00 midnight | Wednesday, November 1, 12:00 midnight |
| 1934 | Thursday, March 1, 12:00 midnight | Thursday, November 1, 12:00 midnight |
| 1935 | Friday, March 1, 12:00 midnight | Friday, November 1, 12:00 midnight |
| 1936 | Sunday, March 1, 12:00 midnight | Sunday, November 1, 12:00 midnight |
| 1937 | Monday, March 1, 12:00 midnight | Monday, November 1, 12:00 midnight |
| 1938 | Tuesday, March 1, 12:00 midnight | Tuesday, November 1, 12:00 midnight |
| 1939 | Wednesday, March 1, 12:00 midnight | Wednesday, November 1, 12:00 midnight |
| 1940 | Friday, March 1, 12:00 midnight | Monday, July 1, 12:00 midnight |
| 1941 | Sunday, June 15, 12:00 midnight | Wednesday, October 15, 12:00 midnight |
| 1942 | DST observed all year | |
| 1943 | Sunday, August 1, 12:00 midnight | Friday, October 15, 12:00 midnight |
| 1944 — 1945 | DST observed all year | |
| 1946 | Friday, March 1, 12:00 midnight | Tuesday, October 1, 12:00 midnight |
| 1947 — 1949 | DST observed all year | |
| All times are local for San Juan. | ||