Here is a list of calender holidays:

New Year’s Eve - December 31st
New Year’s Day - January 1st
Martin Luther King Day - 3rd Monday in January
Groundhog Day - February 2nd
Chinese New Year 2008 - February 7th
Presidents’ Day - 3rd Monday in February
Lincoln’s Birthday - February 12th
Flag Day (Canada) - Februaury 15th
Valentine’s Day - February 14th
Washington’s Birthday - February 22nd
Daylight Savings Day - 2nd Sunday in March
St. Patrick’s Day - March 17th
1st day of Spring 2008 - March 20th
Ash Wednesday 2008 - February 16th
Palm Sunday 2008 - March 16th
Good Friday 2008 - March 21st
Easter - Late March, early April following the moon cycle
Easter 2008 - March 23rd
April Fool’s Day - April 1st
Federal Income Taxes Due - April 15th
Earth Day - April 22nd
Administrative Assistants’/Secretaries’ Day - Wednesday during the last full week in April
Arbor Day - Last Friday in April
May Day - May 1st
National Day of Prayer - 1st Thursday in May
Cinco de Mayo - May 5th
National Teachers’ Day 2008 - May 6th
Mother’s Day - 2nd Sunday in May
Armed Forces Day - 3rd Saturday in May
Victoria Day (Canada) - Last Monday before the 24th of May
Memorial Day - Last Monday in May
Shavu’ot 2008 - June 9th
1st Day of Summer 2008 -June 21st
Father’s Day - 3rd Sunday in June
Flag Day - June 14th (United States)
Canada Day - July 1st
Independence Day - July 4th
Parents’ Day - 4th Sunday in July
Friendship Day - 1st Sunday in August
Labor Day - 1st Monday in September
1st Day of Ramadan 2008 - September 2nd
Grandparents’ Day - Sunday following Labor Day
1st Day of Autumn 2008 - September 22nd
Rosh Hashanah 2008 - September 30th
Columbus Day - 2nd Monday in October
Thanksgiving (Canada) - 2nd Monday in October
Yom Kippur 2008 - October 9th
Sweetest Day - 3rd Saturday in October
Mother In Law’s Day - 4th Sunday in October
Sukkot 2008 - October 14th
Bosses’ Day - October 16th
United Nations Day - October 24th
Halloween (All Hallow’s Eve) - October 31st
Day of the Dead - November 1st & 2nd
All Saint’s Day - November 1st
All Soul’s Day - November 2nd
Daylight Savings Time Ends - 1st Sunday in November
Election Day - Tuesday on or after November 2nd
Veteran’s Day - November 11th
Rememberence Day (Canada) - November 11th
Thanksgiving (United States) - 4th Thursday in November
1st day of Advent 2008 - December 12th
1st Day of Winter 2008 - December 21st
1st Day of Hanukkah 2008 - December 22nd
Christmas Eve - December 24th
Christmas Day - December 25th
Boxing Day - December 26th
Kwanzaa Begins - December 26th
Last Day of Hanukkah 2008 - December 29th