DST of Rio Branco in 2024
- Jan
- Feb
- Mar
- Apr
- May
- Jun
- Jul
- Aug
- Sep
- Oct
- Nov
- Dec
No time zone changes for Rio Branco in 2024
DST of Rio Branco Over Years
| Year | Commences | Abbreviations | Time Change | Offset After |
| 1980 - 1984 | No changes, UTC-0500 all of the period | |||
| 1985 | 11-02, Sat 01:00 |
ACT -> ACST | 1 hour forward (start of DST) | UTC-0400 |
| 1986 | 03-14, Fri 23:00 |
ACST -> ACT | 1 hour backward (end of DST) | UTC-0500 |
| 10-25, Sat 01:00 |
ACT -> ACST | 1 hour forward (start of DST) | UTC-0400 | |
| 1987 | 02-13, Fri 23:00 |
ACST -> ACT | 1 hour backward (end of DST) | UTC-0500 |
| 10-25, Sun 01:00 |
ACT -> ACST | 1 hour forward (start of DST) | UTC-0400 | |
| 1988 | 02-06, Sat 23:00 |
ACST -> ACT | 1 hour backward (end of DST) | UTC-0500 |
| 1989 - 1989 | No changes, UTC-0500 all of the period | |||
