The summer solstice is upon us, and what better way to celebrate the longest day of the year than with a festival of short films, all under 6 minutes and 21 seconds? The Long Day Short Film Festival has come a long way from its humble beginnings six years ago, when it took place in a backyard with about twenty people in attendance. The festival now has a new home at the Rock Wall Wine Company (2301 Monarch St., Alameda), an annual audience of about 200 people, and submissions of about 1,000. The shorts, which were submitted by both local and international filmmakers, include a one-minute film about two boxers, a romantic mini-musical, an animated love story between two flies, a documentary about comic book nerds, and a live action short of a Philip Larkin poem being read aloud. In between the animated and live action programs, festivalgoers can drink wine and eat snacks while chatting with the filmmakers and watching the sunset from the wine company’s hangar.