Saturday, August 29, 2026 · Austria
Sunrise and sunset times in Vienna are computed astronomically from latitude 48.21° and longitude 16.37°, shown in CET (UTC+1) local time using the standard NOAA solar position algorithm.
The day length on 8/29/2026 in Vienna is 13h 38m. This varies throughout the year — typically longest around the summer solstice (June 21 in the Northern Hemisphere, December 21 in the Southern) and shortest around the winter solstice.
Sunrise and sunset are defined as the moment the upper edge of the sun touches the horizon, accounting for atmospheric refraction. "Civil twilight" begins ~30 minutes before sunrise and ends ~30 minutes after sunset.