calendar.usholiday revision 1.1
11.1Scgd01/01 New Year's Day 21.1Scgd01/14 Julian Calendar New Year's Day 31.1Scgd02/02 Groundhog Day 41.1Scgd02/14 St. Valentine's Day 51.1Scgd02/20* President's Day (3rd Monday of February) 61.1Scgd03/05 Mother-in-Law Day 71.1Scgd03/17 St. Patrick's Day 81.1Scgd03/20* Vernal Equinox 91.1Scgd04/01 April Fool's Day 101.1Scgd04/15 Income Tax Day 111.1Scgd04/03* Daylight Savings Time begins; clocks move forward (1st Sunday of April) 121.1Scgd04/28* Arbor Day (varies from state to state) 131.1Scgd05/14* Mother's Day (2nd Sunday of May) 141.1Scgd05/20* Armed Forces Day (3rd Saturday of May) 151.1Scgd05/29* Memorial Day (Last Monday of May) 161.1Scgd06/18* Father's Day (3rd Sunday of June) 171.1Scgd06/21* Summer Solstice 181.1Scgd07/04 Independence Day 191.1Scgd09/04* Labor Day (1st Monday of September) 201.1Scgd09/09* Grandparent's Day (2nd Sunday of September; varies from state to state) 211.1Scgd09/22* Autumnal Equinox 221.1Scgd10/09* Columbus Day (2nd Monday of October) 231.1Scgd10/29* Daylight Savings Time ends; clocks move back (Last Sunday in October) 241.1Scgd10/31 All Hallows Eve (Halloween) 251.1Scgd11/06* Election Day (1st Tuesday after 1st Monday for even years) 261.1Scgd11/11 Veterans' Day 271.1Scgd11/29 Thanksgiving Day (Last Thursday in November) 281.1Scgd12/21* Winter Solstice 291.1Scgd12/24 Christmas Eve 301.1Scgd12/25 Christmas 311.1Scgd12/31 New Year's Eve 32