calendar.usholiday revision 1.12
11.1Scgd01/01 New Year's Day 21.1Scgd01/14 Julian Calendar New Year's Day 31.12Snia01/20* Martin Luther King Day (3rd Monday of January) 41.1Scgd02/02 Groundhog Day 51.1Scgd02/14 St. Valentine's Day 61.12Snia02/17* President's Day (3rd Monday of February) 71.1Scgd03/05 Mother-in-Law Day 81.12Snia03/09* 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 141.12Snia05/11* Mother's Day (2nd Sunday of May) 151.12Snia05/17* Armed Forces Day (3rd Saturday of May) 161.12Snia05/26* Memorial Day (Last Monday of May) 171.12Snia06/15* Father's Day (3rd Sunday of June) 181.12Snia06/21* Summer Solstice 191.1Scgd07/04 Independence Day 201.12Snia09/01* Labor Day (1st Monday of September) 211.12Snia09/14* Grandparent's Day (2nd Sunday of September; varies from state to state) 221.10Sjnemeth09/22* Autumnal Equinox 231.12Snia10/13* Columbus Day (2nd Monday of October) 241.1Scgd10/31 All Hallows Eve (Halloween) 251.12Snia11/02* Daylight Savings Time ends; clocks move back (First Sunday in November) 261.12Snia11/04* Election Day (1st Tuesday after 1st Monday) 271.1Scgd11/11 Veterans' Day 281.12Snia11/27* 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