Last change: 1988
Feb
7
1 hour Back
Feb 7, 1988, 12:00 midnight
| Start DST: | Thursday, December 1, 1949 — 1 hour forward |
|---|
Dec 1
Forward 1 hour
Dec 1, 1949 - Daylight Saving Time Started
When local standard time was about to reach
Thursday, December 1, 1949, 12:00:00 midnight clocks were turned forward 1 hour to
Thursday, December 1, 1949, 1:00:00 am local daylight time instead.
Sunrise and sunset were about 1 hour later on Dec 1, 1949 than the day before. There was more light in the evening and less light in the morning.
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) |
|---|---|---|
| 1925 — 1930 | DST not observed | |
| 1931 | No DST End | Saturday, October 3, 11:00 am |
| 1932 | Friday, April 1, 12:00 midnight | Monday, October 3, 12:00 midnight |
| 1933 | Saturday, April 1, 12:00 midnight | No DST Start |
| 1934 — 1948 | DST not observed | |
| 1949 | No DST End | Thursday, December 1, 12:00 midnight |
| All times are local for Porto Velho. | ||