MonthDayMovable Holiday/FeastHolidays, Feasts and Observances
January 1   New Year's Day
  6   Three Kings Day
    Third Monday of January Martin Luther King Day
  31   Chinese New Year
February 2   Groundhog Day
    First Sunday in February Super Bowl
  14   Valentine's Day
    Third Monday of February Presidents' Day
March   Day after full moon in March Holi
  17   St. Patrick's Day
  22   World Water Day
April 1   April Fool's Day
  7   United Nations' World Health Day
    Begins after dusk of the 14th of Nisan Passover (Duration: 7 to 8 days)
    Friday before Easter Sunday Good Friday
    The Sunday, following the full moon after the first day of spring Easter Sunday
May 5   Cinco de Mayo
    Tuesday of the first full week of May Teachers day
    Wedensday of the last full week of May Administartive Professionals Day
    Second Sunday in May Mothers' Day
    Last Monday of May Memorial Day
June   Third Sunday of June Fathers' Day
July 4   Independence Day
September 1   Labor Day
  5   International Day of Charity
    First Sunday after Labor Day Grandparents Day
    Begins on the first day of Tishrei Rosh Hashana
October   From late September to the first weekend of October Octoberfest
    Second Monday of October Columbus Day
    15th day of the month of Kartika (between October and November) Diwali/Deepavali
  31   Halloween
November 11   Veterans Day
    Last Thursady of November Thanksgiving Day
    Monday after U.S. Thanksgiving Cyber Day
December   25th day of the month of Kislev Chanukah/Hanukkah (Duration: 8 days)
  24   Christmas Eve
  25   Christmas Day
  26   Kwanzaa (until Jan 1)
  31   New Year's Eve