St. Paul Hosting All-Night Northern Spark Art FestivalDo you have plans from 8:58 p.m. Saturday to 5:26 a.m. Sunday? Thousands of Minnesotans will be heading to St. Paul's Lowertown for the Northern Spark Art Festival. What's up with the 8:58 start time and 5:26 a.m. end time? It's an all-night festival. That's the exact sunset and sunrise time according the the Farmer's Almanac.