Sunrise & Sunset Times in Buenos Aires — January 2026

Sunrise & Sunset in Buenos Aires During January

January in Buenos Aires falls in the middle of summer in the Southern Hemisphere, delivering some of the longest days of the year. The sun rises early and sets late, with daylight often exceeding 14 hours at mid-latitudes. The high sun angle means intense midday light and short shadows. Days are still near their peak length following the December solstice, though by late January the very gradual shortening has begun — losing about a minute per day as autumn slowly approaches.

Golden Hour & Twilight in January

During January, golden hour in Buenos Aires lasts approximately 52 minutes each morning and evening. The low sun angle during these periods produces warm, directional light prized by photographers and filmmakers. Civil twilight — the period when the sun is just below the horizon — adds extra usable light before sunrise and after sunset, extending the practical daylight window beyond the times shown in the table above.

Through January, days in Buenos Aires are shortening by roughly 1.2 minutes per day, adding up to about 0h 37m over the course of the month.

January 2026 Summary — Buenos Aires

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