March 13, 2014: Diamonds, schmiamonds — Jewel Day celebrates all the sparklies, even the majestic cubic zirconium. Oddly, Earmuffs Day falling in mid-March means that the weather is starting to get warmer. Why isn’t this holiday in late December, we’ll never know. It’s also Popcorn Lovers Day, so whether you love popcorn or popcorn loves you, you’re covered.