7 #ifndef _calendar_usholiday_
8 #define _calendar_usholiday_
11 01/14 Julian Calendar New Year's Day
13 02/14 St. Valentine's Day
14 02/MonThird President's Day (3rd Monday of February)
15 03/05 Mother-in-Law Day, USA
16 03/SunSecond Daylight Savings Time begins in USA; clocks move forward (2nd Sunday of March)
17 03/17 St. Patrick's Day
19 04/01 April Fool's Day
20 04/15 Income Tax Day, USA.
21 04/28* Arbor Day, USA (varies from state to state)
22 05/SunSecond Mother's Day (2nd Sunday of May)
23 05/SatThird Armed Forces in USA Day (3rd Saturday of May)
24 05/MonLast Memorial Day in USA (Last Monday of May)
25 06/SunThird Father's Day (3rd Sunday of June)
26 06/21* Summer Solstice
27 07/04 US Independence Day
28 09/MonFirst Labor Day in USA (1st Monday of September)
29 09/SunSecond Grandparent's Day in USA (2nd Sunday of September; varies from state to state)
30 09/22* Autumnal Equinox
31 10/MonSecond Columbus Day in USA (2nd Monday of October)
32 10/31 All Hallows Eve (Halloween)
33 11/05* Election Day in USA (1st Tuesday after 1st Monday for even years)
34 11/SunFirst Daylight Savings Time ends in USA; clocks move back (1st Sunday of November)
36 11/ThuFourth Thanksgiving Day (4th Thursday in November)
37 12/21* Winter Solstice
42 #endif /* !_calendar_usholiday_ */