Join AYD for Arlingtonâ€™s oldest street festival on Saturday, September 22nd! Â Volunteers will be handing out literature, registering voters, signing up volunteers, and selling Obama chum. Clarendon Day is from 11am-5:30pm in the vicinity of the Clarendon Metro Stop. Â This event will occur RAIN OR SHINE. Â We will also need volunteers to help setup and break-down. Â FIll out our volunteer sign-up form here.