Don’t Let Marmot Day 2009 Sneak Up on You! Don’t Let Marmot Day 2009 Sneak Up on You! June 9, 2009 Dave Countdown to Marmot Day 2009 With Us! If you’re a Mac User, and you’re running Mac OS X 10.4.3 or higher, we invite you to download our Marmot Day 2009 Countdown Widget!