Feb 17, 2002, 12:00 midnight
|Start DST:||Sunday, October 3, 1999 — 1 hour forward|
Forward 1 hour
Oct 3, 1999 - Daylight Saving Time Started
When local standard time was about to reach
Sunday, October 3, 1999, 12:00:00 midnight clocks were turned forward 1 hour to
Sunday, October 3, 1999, 1:00:00 am local daylight time instead.
Sunrise and sunset were about 1 hour later on Oct 3, 1999 than the day before. There was more light in the evening.
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)|
|1990||Sunday, February 11, 12:00 midnight||No DST Start|
|1991 — 1998||DST not observed|
|1999||No DST End||Sunday, October 3, 12:00 midnight|
|All times are local for Teresina.|
Data for the years before 1970 is not available for Teresina, however, we have earlier time zone history for Fortaleza available.