1 01/01 New Year's Day 2 01/14 Julian Calendar New Year's Day 3 01/20* Martin Luther King Day (3rd Monday of January) 4 02/02 Groundhog Day 5 02/14 St. Valentine's Day 6 02/17* President's Day (3rd Monday of February) 7 03/05 Mother-in-Law Day 8 03/09* Daylight Savings Time begins; clocks move forward (2nd Sunday of March) 9 03/17 St. Patrick's Day 10 03/20* Vernal Equinox 11 04/01 April Fool's Day 12 04/15 Income Tax Day 13 04/22 Earth Day 14 05/11* Mother's Day (2nd Sunday of May) 15 05/17* Armed Forces Day (3rd Saturday of May) 16 05/26* Memorial Day (Last Monday of May) 17 06/15* Father's Day (3rd Sunday of June) 18 06/21* Summer Solstice 19 07/04 Independence Day 20 09/01* Labor Day (1st Monday of September) 21 09/14* Grandparent's Day (2nd Sunday of September; varies from state to state) 22 09/22* Autumnal Equinox 23 10/13* Columbus Day (2nd Monday of October) 24 10/31 All Hallows Eve (Halloween) 25 11/02* Daylight Savings Time ends; clocks move back (First Sunday in November) 26 11/04* Election Day (1st Tuesday after 1st Monday) 27 11/11 Veterans' Day 28 11/27* Thanksgiving Day (Fourth Thursday in November) 29 12/21* Winter Solstice 30 12/24 Christmas Eve 31 12/25 Christmas 32 12/31 New Year's Eve 33