Feb 7, 1988, 12:00 midnight
| Start DST: | Sunday, January 31, 1965 — 1 hour forward |
|---|---|
| End DST: | Tuesday, March 30, 1965 — 1 hour backward |
Jan 31
Forward 1 hour
Jan 31, 1965 - Daylight Saving Time Started
When local standard time was about to reach
Sunday, January 31, 1965, 12:00:00 midnight clocks were turned forward 1 hour to
Sunday, January 31, 1965, 1:00:00 am local daylight time instead.
Sunrise and sunset were about 1 hour later on Jan 31, 1965 than the day before. There was more light in the evening.
Also called Spring Forward, Summer Time, and Daylight Savings Time.
More info:
Sunday, February 17, 2013: Brazil ends Daylight Saving Time
Mar 31
Back 1 hour
Mar 31, 1965 - Daylight Saving Time Ended
When local daylight time was about to reach
Wednesday, March 31, 1965, 12:00:00 midnight clocks were turned backward 1 hour to
Tuesday, March 30, 1965, 11:00:00 pm local standard time instead.
Sunrise and sunset were about 1 hour earlier on Mar 31, 1965 than the day before. There was more light in the morning.
Also called Fall Back and Winter Time.
More info:
Sunday, February 17, 2013: Brazil ends Daylight Saving Time
Dec 1
Forward 1 hour
Dec 1, 1965 - Daylight Saving Time Started
When local standard time was about to reach
Wednesday, December 1, 1965, 12:00:00 midnight clocks were turned forward 1 hour to
Wednesday, December 1, 1965, 1:00:00 am local daylight time instead.
Sunrise and sunset were about 1 hour later on Dec 1, 1965 than the day before. There was more light in the evening.
Also called Spring Forward, Summer Time, and Daylight Savings Time.
More info:
Sunday, February 17, 2013: Brazil ends Daylight Saving Time
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) |
|---|---|---|
| 1960 — 1962 | DST not observed | |
| 1963 | No DST End | Monday, December 9, 12:00 midnight |
| 1964 | Sunday, March 1, 12:00 midnight | No DST Start |
| * 1965 | Wednesday, March 31, 12:00 midnight | Sunday, January 31, 12:00 midnight |
| 1966 | Tuesday, March 1, 12:00 midnight | Tuesday, November 1, 12:00 midnight |
| 1967 | Wednesday, March 1, 12:00 midnight | Wednesday, November 1, 12:00 midnight |
| 1968 | Friday, March 1, 12:00 midnight | No DST Start |
| 1969 | DST not observed | |
| All times are local for Rio Branco. * All or part of this period was on double DST. | ||