Today in San Juan, Argentina, the sun rises at 8:06 AM and sets at 7:16 PM, giving the city exactly 11h 9m of daylight. That is 2 minutes longer than yesterday—approaching the solar plateau near the Winter Solstice. With 122 days until the Winter Solstice on December 21, San Juan is currently in its Winter season.
Golden Hour & Twilight Windows in San Juan
For photographers, filmmakers, and outdoor enthusiasts, the morning golden hour in San Juan runs from N/A to 8:39 AM. The evening golden hour begins at 6:43 PM and lasts until 7:16 PM.
Civil twilight—when there is still sufficient ambient light to see clearly outdoors—begins at N/A. San Juan sits in the subtropics, where the annual swing in daylight is moderate.
Solar Noon & UV Index
Solar noon in San Juan falls exactly at 1:41 PM, which is the moment the sun reaches its peak altitude of 10.29 above the horizon. At this specific time, the solar angle produces a relatively low UV exposure day for San Juan, typical of its Winter season.
Why Does Sunrise Shift in San Juan?
At San Juan's latitude of -30.7054363°, the sun currently rises at an azimuth of 249.08° (WSW). Because of the Earth's axial tilt, this position shifts slightly every day. Sunrise and sunset times for San Juan are calculated using advanced solar algorithms (SunCalc) based on coordinates -30.7054363, -69.1988222. Times are mathematically accurate to ±30 seconds.
Historical Sunrise in San Juan (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 San Juan versus 1 year and 5 years ago:
| Year | Sunrise | Sunset | Daylight |
|---|---|---|---|
| Today | 8:06 AM | 7:16 PM | 11h 9m |
| 2025 | 8:06 AM | 7:16 PM | 11h 9m |
| 2021 | 8:06 AM | 7:16 PM | 11h 9m |
Frequently Asked Questions
What time does the sun rise in San Juan today?
In San Juan, the sun rises at exactly 8:06 AM and sets at 7:16 PM today. This gives the city a total of 11h 9m of daylight.
When is golden hour in San Juan today?
Today, morning golden hour in San Juan runs from N/A to 8:39 AM. Evening golden hour begins at 6:43 PM and lasts until 7:13 PM.
Why does sunrise in San Juan shift every day?
At San Juan's latitude, the sun currently rises at an azimuth of 249.08° (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 San Juan at solar noon?
Solar noon occurs at 1:41 PM when the sun reaches 10.29. This produces a relatively low UV exposure day for San Juan, typical of its Winter season.
Has the sunrise time in San Juan 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 8:06 AM, and five years ago in 2021, it was at 8:06 AM.