Belém time zone history
Daylight saving time was used in 4 years since 1970, last in 1988; under the current rules the clocks no longer change. On standard time, clocks in Belém run 14 minutes ahead of local mean solar time.
UTC−3
Standard time is UTC−3 all year under the current rules.
Summer time in 4 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−3:13:56) replaced | UTC−3 | numeric only |
Daylight saving periods
| Years | Clocks go forward | Clocks go back | Shift and labels |
|---|---|---|---|
| 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: the periods shared by 4 of 16 zones, listed on the Brazil page.
Also on UTC−3
Araguaína (Brazil), Santarém (Brazil), French Guiana, Suriname, Fortaleza (Brazil), Recife (Brazil), Maceió (Brazil), Bahia (Brazil), São Paulo (Brazil) and Paraguay (nearest first; 19 more on the list of offsets).
Clocks next door since 1970
- Araguaína (640 km): same time except 1,385 days in 1988–1990, 1995–2003, 2012 and 2013.
- Santarém (718 km): usually 1 hour behind; different on 6,765 days in 1985–1988 and 2008–2026; same time today.
- French Guiana (829 km): same time except 350 days in 1985–1988.
- Suriname (1,098 km): same time except 5,737 days in 1970–1988.
- Fortaleza (1,137 km): same time except 511 days in 1988–1990 and 1999–2002.
- Manaus (1,295 km): usually 1 hour behind; different on 126 days in 1985–1988, 1993 and 1994.
How it compares
Standard time has stayed at UTC−3 since 1914.