01/01 New Year's Day 01/14 Julian Calendar New Year's Day 02/02 Groundhog Day 02/14 St. Valentine's Day 02/16* President's Day (3rd Monday of February) 03/05 Mother-in-Law Day 03/17 St. Patrick's Day 03/20* Vernal Equinox 04/01 April Fool's Day 04/15 Income Tax Day 03/08* Daylight Savings Time begins; clocks move forward (2nd Sunday of March) 04/28* Arbor Day (varies from state to state) 05/10* Mother's Day (2nd Sunday of May) 05/27* Armed Forces Day (3rd Saturday of May) 05/25* Memorial Day (Last Monday of May) 06/21* Father's Day (3rd Sunday of June) 06/21* Summer Solstice 07/04 Independence Day 09/07* Labor Day (1st Monday of September) 09/13* Grandparent's Day (2nd Sunday of September; varies from state to state) 09/22* Autumnal Equinox 10/12* Columbus Day (2nd Monday of October) 11/01* Daylight Savings Time ends; clocks move back (First Sunday in November) 10/31 All Hallows Eve (Halloween) 11/03* Election Day (1st Tuesday after 1st Monday for even years) 11/11 Veterans' Day 11/26* Thanksgiving Day (Fourth Thursday in November) 12/21* Winter Solstice 12/24 Christmas Eve 12/25 Christmas 12/31 New Year's Eve