Today in Riberalta, Bolivia, the sun rises at 6:45 AM and sets at 6:17 PM, giving the city exactly 11h 31m of daylight. That is 0 minutes longer than yesterday—approaching the solar plateau near the Winter Solstice. With 161 days until the Winter Solstice on December 21, Riberalta is currently in its Winter season.
Golden Hour & Twilight Windows in Riberalta
For photographers, filmmakers, and outdoor enthusiasts, the morning golden hour in Riberalta runs from N/A to 7:15 AM. The evening golden hour begins at 5:46 PM and lasts until 6:17 PM.
Civil twilight—when there is still sufficient ambient light to see clearly outdoors—begins at N/A. Near the equator, Riberalta's daylight stays remarkably stable year-round, deviating very little from the annual average.
Solar Noon & UV Index
Solar noon in Riberalta falls exactly at 12:31 PM, which is the moment the sun reaches its peak altitude of 16.04 above the horizon. At this specific time, the solar angle produces a relatively low UV exposure day for Riberalta, typical of its Winter season.
Why Does Sunrise Shift in Riberalta?
At Riberalta's latitude of -10.9833°, the sun currently rises at an azimuth of 243.24° (WSW). Because of the Earth's axial tilt, this position shifts slightly every day. Sunrise and sunset times for Riberalta are calculated using advanced solar algorithms (SunCalc) based on coordinates -10.9833, -66.1. Times are mathematically accurate to ±30 seconds.
Historical Sunrise in Riberalta (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 Riberalta versus 1 year and 5 years ago:
| Year | Sunrise | Sunset | Daylight |
|---|---|---|---|
| Today | 6:45 AM | 6:17 PM | 11h 31m |
| 2025 | 6:45 AM | 6:17 PM | 11h 31m |
| 2021 | 6:45 AM | 6:17 PM | 11h 31m |
Frequently Asked Questions
What time does the sun rise in Riberalta today?
In Riberalta, the sun rises at exactly 6:45 AM and sets at 6:17 PM today. This gives the city a total of 11h 31m of daylight.
When is golden hour in Riberalta today?
Today, morning golden hour in Riberalta runs from N/A to 7:15 AM. Evening golden hour begins at 5:46 PM and lasts until 6:14 PM.
Why does sunrise in Riberalta shift every day?
At Riberalta's latitude, the sun currently rises at an azimuth of 243.24° (WSW). 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 Riberalta at solar noon?
Solar noon occurs at 12:31 PM when the sun reaches 16.04. This produces a relatively low UV exposure day for Riberalta, typical of its Winter season.
Has the sunrise time in Riberalta 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 6:45 AM, and five years ago in 2021, it was at 6:45 AM.