2010 Holiday Dates Winter'2010 New Year's Day: January 1 Three Kings Day (Dia de los Santos Reyes): January 6 Martin Luther King, Jr's Birthday: Monday, January 18 Groundhog Day: February 02 Lincoln's Birthday: February 12 Valentine's Day: February 14 President's Day: Monday, February 15 Washington's Birthday: February 22 Mardi Gras: Tuesday, February 16 Ash Wednesday: February 17 Purim (Begins at Sundown*): February 27 St. Patrick's Day: March 17 Spring'2010 Palm Sunday: Sunday, March 28 Passover (Begins at Sundown*): March 29 April Fool's Day: April 01 Good Friday: April 02 Easter: Sunday, April 04 Eastern Orthodox Easter: Sunday, April 04 Yom Ha Shoah (Holocaust Remembrance Day) (Begins at Sundown*): April 10 Earth Day: April 22 Cinco de Mayo: May 5 Mother's Day: Sunday, May 09 Declaration of the Báb (Baha'i holiday): May 23 Memorial Day: Monday, May 31 Shavuot (Begins at Sundown*): May 18 Ascension of Baha'u'llah (Baha'i holiday): May 29 Flag Day: June 14 Juneteenth: June 19 Father's Day: Sunday, June 20 Summer'2010 US Independence Day: July 04 Ramadan: August 11 (Depends on the sighting of the moon in North America) Labor Day: Monday, September 06 Fall'2010 Rosh Hashanah (Begins at Sundown*): September 08 Yom Kippur (Begins at Sundown*): September 17 Sukkot (Begins at Sundown*): September 22 Columbus Day (observed): October 12 Halloween: October 31 Dia de los Muertos (Day of the Dead): November 1 All Saint's Day: November 1 All Soul's Day: November 2 Veterans Day: November 11 Thanksgiving Day (US): Thursday, November 25 Winter'2010 World Aids Day: December 01 Day Without Art: December 01 Bodhi Day: December 08 Immaculate Conception of the Blessed Virgin Mary: December 08 Chanukah (Begins at Sundown*): December 01 Christmas Day: December 25 Kwanzaa: December 26 - January 01, 2011 Boxing Day: December 26 *Because the Jewish day begins and ends at sundown, holidays begin at sundown.