Bahia time zone history
Daylight saving time was used in 21 years since 1970, last in 2012; under the current rules the clocks no longer change. On standard time, clocks in Bahia run 26 minutes behind local mean solar time.
UTC−3
Standard time is UTC−3 all year under the current rules.
Summer time in 21 of 57 years since 1970
Before 1970
Standard time changes
| Date | Change | New standard time | Clock label |
|---|---|---|---|
| Before 1970 | |||
| January 1, 1914 | Local mean time (UTC−2:34:04) replaced | UTC−3 | numeric only |
Daylight saving periods
| Years | Clocks go forward | Clocks go back | Shift and labels |
|---|---|---|---|
| Before 1970 | |||
| 1931 | October 3 | not that year | 1 hour |
| 1932 | October 3 | April 1 | 1 hour |
| 1933 | not that year | April 1 | 1 hour |
| 1949 | December 1 | not that year | 1 hour |
| 1950 | December 1 | April 16 | 1 hour |
| 1951–1952 | 1 December, 00:00 | 1 April, 00:00 | 1 hour |
| 1953 | not that year | March 1 | 1 hour |
| 1963 | December 9 | not that year | 1 hour |
| 1964 | not that year | March 1 | 1 hour |
| 1965 | January 31, December 1 | April 1 | 1 hour |
| 1966–1967 | 1 November, 00:00 | 1 March, 01:00 | 1 hour |
| 1968 | not that year | March 1 | 1 hour |
| Since 1970 | |||
| 1985 | November 2 | not that year | 1 hour |
| 1986 | October 25 | March 15 | 1 hour |
| 1987 | October 25 | February 14 | 1 hour |
| 1988 | October 16 | February 7 | 1 hour |
| 1989 | October 15 | January 29 | 1 hour |
| 1990 | October 21 | February 11 | 1 hour |
| 1991 | October 20 | February 17 | 1 hour |
| 1992 | October 25 | February 9 | 1 hour |
| 1993 | October 17 | January 31 | 1 hour |
| 1994–1995 | third Sunday in October, 00:00 | third Sunday in February, 00:00 | 1 hour |
| 1996 | October 6 | February 11 | 1 hour |
| 1997 | October 6 | February 16 | 1 hour |
| 1998 | October 11 | March 1 | 1 hour |
| 1999 | October 3 | February 21 | 1 hour |
| 2000 | October 8 | February 27 | 1 hour |
| 2001 | October 14 | February 18 | 1 hour |
| 2002 | November 3 | February 17 | 1 hour |
| 2003 | not that year | February 16 | 1 hour |
| 2011 | October 16 | not that year | 1 hour |
| 2012 | not that year | February 26 | 1 hour |
Also on UTC−3
Maceió (Brazil), Recife (Brazil), Fortaleza (Brazil), Araguaína (Brazil), São Paulo (Brazil), Belém (Brazil), Santarém (Brazil), Paraguay, French Guiana and Suriname (nearest first; 19 more on the list of offsets).
Clocks next door since 1970
- Maceió (479 km): same time except 1,350 days in 1990–2003, 2011 and 2012.
- Recife (676 km): same time except 1,476 days in 1990–2003, 2011 and 2012.
- Fortaleza (1,030 km): same time except 1,469 days in 1990–2003, 2011 and 2012.
- Fernando de Noronha (1,217 km): usually 1 hour ahead; different on 1,476 days in 1985–2003, 2011 and 2012.
- Araguaína (1,239 km): same time except 833 days in 1990–1995 and 2011–2013.
How it compares
Standard time has stayed at UTC−3 since 1914.