Good thing we gain an hour. SPRAY Wode Scent Paint What: Fashion label Boudicca unleashes perfume graffiti meant to be sprayed aggressively (not spritzed). Cobalt color disappears without a trace in moments — leaving behind the scents of tuberose and clary sage. Why: Smells like Halloween high jinks. When: Get it on day one — today. Where: Project No. 8, 138 Division St., b/t Orchard & Ludlow Sts. (212-925-5599). Rodney McMillian’s Untitled Show What: Cormac McCarthy’s postapocalyptic The Road was the jumping-off point for this sacred chapel-like installation. Why: A battered landscape more frightening than a haunted house (because it could be real). When: Thru Dec. 20. Opens Thurs., 6-8 p.m. Special performance at 7 p.m. Where: The Kitchen, 512 W. 19th St., b/t Tenth & Eleventh Aves. (212-255-5793). GIVE DailyCandy’s Virtual Food Drive What: The going’s tough for just about everyone right now. But children are the hardest hit during an economic crisis. Why: One in five NYC kids rely on emergency food. (And most of their parents are working full-time!) When: Thru Dec. 31. (But folks are hungry all year.) Where: Donate online at help.foodbanknyc.org. Red Book Drive What: A good read (by teen essayists) with an even better mission: To get into the hands of young girls around the world. Send a book to charities like the LES Girls Club. Why: Look out for the NYC paperback tour. Share the book and raise awareness. When: Today’s the day. Where: Online at redthebook.com. LEARN History of Candy What: Let me see that Tootsie Roll. Wax Lips, Red Hots, and more from the Roaring ’20s to the future. Tastings included. Why: Learn something on your Kit Kat break. When: Thurs., noon-1 p.m. Where: 92YTribeca, 200 Hudson St., at Canal St. EAT James Does Brunch What: Sweet corner eatery starts working on your day off. Why: Malpeque oysters with Bloody Mary sauce, pulled pork with cheddar scones, ricotta pancakes with stone fruit syrup. When: Every Sun., 11:30 a.m.-3:30 p.m. Where: 605 Carlton Ave., at St. Mark’s Ave., Prospect Heights (718-942-4255).