11.1Scgd01/01 New Year's Day 21.1Scgd01/14 Julian Calendar New Year's Day 31.13Sjnemeth01/19* Martin Luther King Day (3rd Monday of January) 41.1Scgd02/02 Groundhog Day 51.1Scgd02/14 St. Valentine's Day 61.13Sjnemeth02/16* President's Day (3rd Monday of February) 71.1Scgd03/05 Mother-in-Law Day 81.13Sjnemeth03/08* Daylight Savings Time begins; clocks move forward (2nd Sunday of March) 91.1Scgd03/17 St. Patrick's Day 101.12Snia03/20* Vernal Equinox 111.1Scgd04/01 April Fool's Day 121.1Scgd04/15 Income Tax Day 131.5Ssnj04/22 Earth Day 141.13Sjnemeth05/10* Mother's Day (2nd Sunday of May) 151.13Sjnemeth05/16* Armed Forces Day (3rd Saturday of May) 161.13Sjnemeth05/25* Memorial Day (Last Monday of May) 171.13Sjnemeth06/21* Father's Day (3rd Sunday of June) 181.12Snia06/21* Summer Solstice 191.1Scgd07/04 Independence Day 201.13Sjnemeth09/07* Labor Day (1st Monday of September) 211.13Sjnemeth09/13* Grandparent's Day (2nd Sunday of September; varies from state to state) 221.10Sjnemeth09/22* Autumnal Equinox 231.13Sjnemeth10/12* Columbus Day (2nd Monday of October) 241.1Scgd10/31 All Hallows Eve (Halloween) 251.13Sjnemeth11/01* Daylight Savings Time ends; clocks move back (First Sunday in November) 261.13Sjnemeth11/03* Election Day (1st Tuesday after 1st Monday) 271.1Scgd11/11 Veterans' Day 281.13Sjnemeth11/26* Thanksgiving Day (Fourth Thursday in November) 291.7Sjnemeth12/21* Winter Solstice 301.1Scgd12/24 Christmas Eve 311.1Scgd12/25 Christmas 321.1Scgd12/31 New Year's Eve 33