calendar.usholiday revision 1.1.1.1 1 01/01 New Year's Day
2 01/14 Julian Calendar New Year's Day
3 02/02 Groundhog Day
4 02/14 St. Valentine's Day
5 02/20* President's Day (3rd Monday of February)
6 03/05 Mother-in-Law Day
7 03/17 St. Patrick's Day
8 03/20* Vernal Equinox
9 04/01 April Fool's Day
10 04/15 Income Tax Day
11 04/03* Daylight Savings Time begins; clocks move forward (1st Sunday of April)
12 04/28* Arbor Day (varies from state to state)
13 05/14* Mother's Day (2nd Sunday of May)
14 05/20* Armed Forces Day (3rd Saturday of May)
15 05/29* Memorial Day (Last Monday of May)
16 06/18* Father's Day (3rd Sunday of June)
17 06/21* Summer Solstice
18 07/04 Independence Day
19 09/04* Labor Day (1st Monday of September)
20 09/09* Grandparent's Day (2nd Sunday of September; varies from state to state)
21 09/22* Autumnal Equinox
22 10/09* Columbus Day (2nd Monday of October)
23 10/29* Daylight Savings Time ends; clocks move back (Last Sunday in October)
24 10/31 All Hallows Eve (Halloween)
25 11/06* Election Day (1st Tuesday after 1st Monday for even years)
26 11/11 Veterans' Day
27 11/29 Thanksgiving Day (Last Thursday in November)
28 12/21* Winter Solstice
29 12/24 Christmas Eve
30 12/25 Christmas
31 12/31 New Year's Eve
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