Longest Day of the Year 2019: What time is sunset today for the summer solstice? TODAY is the summer solstice which means countries in the Northern Hemisphere will celebrate the longest day of the year in 2019. This is what time sunset is on the summer solstice. Share: Facebook Twitter Google+ Stumble Digg Email ThisBlogThis!Share to XShare to Facebook Related Posts:ScienceTake: The Beauty of a Starfish Larva at LunchTrilobites: Tomatillo Fossils, 52 Million Years Old, Are Discovered in PatagoniaQ&A: Bitter Fate of Coffee BeansLightning, Weather’s Byproduct, May Become One of Its PredictorsHuman-Driven Global Warming Is Biggest Threat to Polar Bears, Report SaysTrilobites: Looking at Your Home Planet from Mars