DST of La Rioja in 2024
- Jan
- Feb
- Mar
- Apr
- May
- Jun
- Jul
- Aug
- Sep
- Oct
- Nov
- Dec
No time zone changes for La Rioja in 2024
DST of La Rioja Over Years
| Year | Commences | Abbreviations | Time Change | Offset After |
| 1990 | 03-03, Sat 23:00 |
ARST -> ART | 1 hour backward (end of DST) | UTC-0300 |
| 10-21, Sun 01:00 |
ART -> ARST | 1 hour forward (start of DST) | UTC-0200 | |
| 1991 | 02-28, Thu 22:00 |
ARST -> WART | 2 hours backward (end of DST) | UTC-0400 |
| 05-07, Tue 01:00 |
WART -> ART | 1 hour forward | UTC-0300 | |
| 10-20, Sun 01:00 |
ART -> ARST | 1 hour forward (start of DST) | UTC-0200 | |
| 1992 | 02-29, Sat 23:00 |
ARST -> ART | 1 hour backward (end of DST) | UTC-0300 |
| 10-18, Sun 01:00 |
ART -> ARST | 1 hour forward (start of DST) | UTC-0200 | |
| 1993 | 03-06, Sat 23:00 |
ARST -> ART | 1 hour backward (end of DST) | UTC-0300 |
| 1994 - 1998 | No changes, UTC-0300 all of the period | |||
| 1999 | 10-03, Sun 00:00 |
ART -> ARST | 0 hour forward (start of DST) | UTC-0300 |
