01/01 New Year's Day 01/14 Julian Calendar New Year's Day 01/21* Martin Luther King Day (3rd Monday of January) 02/02 Groundhog Day 02/14 St. Valentine's Day 02/18* President's Day (3rd Monday of February) 03/05 Mother-in-Law Day 03/10* Daylight Savings Time begins; clocks move forward (2nd Sunday of March) 03/17 St. Patrick's Day 03/20* Vernal Equinox 04/01 April Fool's Day 04/15 Income Tax Day 04/22 Earth Day 04/26* Arbor Day (varies from state to state) 05/12* Mother's Day (2nd Sunday of May) 05/18* Armed Forces Day (3rd Saturday of May) 05/27* Memorial Day (Last Monday of May) 06/16* Father's Day (3rd Sunday of June) 06/21* Summer Solstice 07/04 Independence Day 09/03* Labor Day (1st Monday of September) 09/09* Grandparent's Day (2nd Sunday of September; varies from state to state) 09/23* Autumnal Equinox 10/08* Columbus Day (2nd Monday of October) 10/31 All Hallows Eve (Halloween) 11/04* Daylight Savings Time ends; clocks move back (First Sunday in November) 11/06* Election Day (1st Tuesday after 1st Monday) 11/11 Veterans' Day 11/22* Thanksgiving Day (Fourth Thursday in November) 12/21* Winter Solstice 12/24 Christmas Eve 12/25 Christmas 12/31 New Year's Eve