Sunrise & Sunset Times in Sunnyvale — October 2025

Sunrise & Sunset in Sunnyvale During October

October in Sunnyvale brings a pronounced shortening of days as the sun's arc drops lower. Sunrise arrives later each morning and sunset comes markedly earlier, with the total daylight loss accelerating through mid-month before easing slightly. Where daylight saving time ends in October, the clock change shifts an hour of evening light to the morning. Civil twilight contracts, and by month's end, darkness arrives early enough to reshape daily routines.

Golden Hour & Twilight in October

During October, golden hour in Sunnyvale lasts approximately 54 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 October, days in Sunnyvale are shortening by roughly 2.3 minutes per day, adding up to about 1h 9m over the course of the month.

October 2025 Summary — Sunnyvale

All Months — 2025

Other Years