Today in São Luís, Brazil, the sun rises at 5:42 AM and sets at 5:51 PM, giving the city exactly 12h 8m of daylight. That is 0 minutes longer than yesterday—approaching the solar plateau near the Winter Solstice. With 77 days until the Winter Solstice on December 21, São Luís is currently in its Spring season.
Golden Hour & Twilight Windows in São Luís
For photographers, filmmakers, and outdoor enthusiasts, the morning golden hour in São Luís runs from N/A to 6:10 AM. The evening golden hour begins at 5:23 PM and lasts until 5:51 PM.
Civil twilight—when there is still sufficient ambient light to see clearly outdoors—begins at N/A. Near the equator, São Luís's daylight stays remarkably stable year-round, deviating very little from the annual average.
Solar Noon & UV Index
Solar noon in São Luís falls exactly at 11:46 AM, which is the moment the sun reaches its peak altitude of 48.52 above the horizon. At this specific time, the solar angle produces very high UV, typical of São Luís in Spring. SPF 30+ is advisable for anyone spending more than 20 minutes outside.
Why Does Sunrise Shift in São Luís?
At São Luís's latitude of -2.5295265°, the sun currently rises at an azimuth of 274.19° (W). Because of the Earth's axial tilt, this position shifts slightly every day. Sunrise and sunset times for São Luís are calculated using advanced solar algorithms (SunCalc) based on coordinates -2.5295265, -44.2963942. Times are mathematically accurate to ±30 seconds.
Historical Sunrise in São Luís (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 São Luís versus 1 year and 5 years ago:
| Year | Sunrise | Sunset | Daylight |
|---|---|---|---|
| Today | 5:42 AM | 5:51 PM | 12h 8m |
| 2025 | 5:42 AM | 5:50 PM | 12h 8m |
| 2021 | 5:42 AM | 5:50 PM | 12h 8m |
Frequently Asked Questions
What time does the sun rise in São Luís today?
In São Luís, the sun rises at exactly 5:42 AM and sets at 5:51 PM today. This gives the city a total of 12h 8m of daylight.
When is golden hour in São Luís today?
Today, morning golden hour in São Luís runs from N/A to 6:10 AM. Evening golden hour begins at 5:23 PM and lasts until 5:48 PM.
Why does sunrise in São Luís shift every day?
At São Luís's latitude, the sun currently rises at an azimuth of 274.19° (W). 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 São Luís at solar noon?
Solar noon occurs at 11:46 AM when the sun reaches 48.52. This produces very high UV, typical of São Luís in Spring. SPF 30+ is advisable for anyone spending more than 20 minutes outside.
Has the sunrise time in São Luís 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 5:42 AM, and five years ago in 2021, it was at 5:42 AM.