Today in Piauí, Brazil, the sun rises at 6:05 AM and sets at 5:46 PM, giving the city exactly 11h 41m of daylight. That is 0 minutes longer than yesterday—approaching the solar plateau near the Winter Solstice. With 167 days until the Winter Solstice on December 21, Piauí is currently in its Winter season.
Golden Hour & Twilight Windows in Piauí
For photographers, filmmakers, and outdoor enthusiasts, the morning golden hour in Piauí runs from N/A to 6:35 AM. The evening golden hour begins at 5:16 PM and lasts until 5:46 PM.
Civil twilight—when there is still sufficient ambient light to see clearly outdoors—begins at N/A. Near the equator, Piauí's daylight stays remarkably stable year-round, deviating very little from the annual average.
Solar Noon & UV Index
Solar noon in Piauí falls exactly at 11:56 AM, which is the moment the sun reaches its peak altitude of 37.51 above the horizon. At this specific time, the solar angle produces a moderate UV level. Light protective clothing is adequate for most outdoor activities in Piauí today.
Why Does Sunrise Shift in Piauí?
At Piauí's latitude of -7.6992782°, the sun currently rises at an azimuth of 233.65° (SW). Because of the Earth's axial tilt, this position shifts slightly every day. Sunrise and sunset times for Piauí are calculated using advanced solar algorithms (SunCalc) based on coordinates -7.6992782, -42.5043787. Times are mathematically accurate to ±30 seconds.
Historical Sunrise in Piauí (Past Years)
Due to the Earth's precise orbit, solar times remain highly consistent year over year. Here is a comparison of today's sunrise and sunset times in Piauí versus 1 year and 5 years ago:
| Year | Sunrise | Sunset | Daylight |
|---|---|---|---|
| Today | 6:05 AM | 5:46 PM | 11h 41m |
| 2025 | 6:05 AM | 5:46 PM | 11h 41m |
| 2021 | 6:05 AM | 5:46 PM | 11h 41m |
Frequently Asked Questions
What time does the sun rise in Piauí today?
In Piauí, the sun rises at exactly 6:05 AM and sets at 5:46 PM today. This gives the city a total of 11h 41m of daylight.
When is golden hour in Piauí today?
Today, morning golden hour in Piauí runs from N/A to 6:35 AM. Evening golden hour begins at 5:16 PM and lasts until 5:44 PM.
Why does sunrise in Piauí shift every day?
At Piauí's latitude, the sun currently rises at an azimuth of 233.65° (SW). Because of Earth's tilt, the city is approaching the solar plateau near the Winter Solstice until the Winter Solstice on December 21.
What is the UV Index in Piauí at solar noon?
Solar noon occurs at 11:56 AM when the sun reaches 37.51. This produces a moderate UV level. Light protective clothing is adequate for most outdoor activities in Piauí today.
Has the sunrise time in Piauí changed compared to previous years?
Due to the Earth's precise orbit, solar times remain highly consistent year over year. Exactly one year ago in 2025, sunrise was at 6:05 AM, and five years ago in 2021, it was at 6:05 AM.