Holiday

A holiday is a regularly reoccurring festive day. Usually, but not always, the festive day is observed every year. The word "holiday" is derived from the words "holy" and "day." In British English, the word "holiday" is used to refer to a Vacation as well as a public holiday.
Long holidays with no work
Spring Festival, May Day, and National Day (People's Republic of China)
Golden Week (Japan)
The Majowka, also called the Picnic (Poland)
Holy Week, sometimes with Easter, St. Patrick's Day, Easter Monday and Good Friday (Ireland)
A long weekend, when a holiday is next to the weekend (Australia and England).
In the United States, Dr. Martin Luther King, Jr. Day, Presidents' Day, Memorial Day and Labor Day are always on Monday to create a "long weekend" or "3-day weekend".
Other holidays like America's Independence Day and Veterans' Day can come on a weekday or weekend. If the holiday is on a weekend, it is moved to Friday or Monday to create a "3-day weekend." Calendars sometimes mark these holidays twice. For example, in 2006, Veterans' Day in America was on Saturday, November 11. "Veteran's Day (observed)" was also on the calendar; it was Friday, November 10.
Holidays in western countries during winter
New Year's Day
Boxing Day (Wren day, St. Stephan's day)
Kwanzaa
Christmas Day
Hanukkah
Yule
Greetings
Merry Christmas (also called Feliz Navidad (Spanish) and Joyeux Noel (French))
Merry Yuletide
Happy Hanukkah
Happy Kwanzaa
Happy New Year
Joyous Yule
Happy Solstice
Season's Greetings
Happy Holiday(s)
Holidays celebrated around the world
New Year's Day (1 January)
Valentine's Day (14 February)
International Women's Day (8 March, mostly in Eastern European Countries)
World Party Day (3 April)
Earth Day (22 April)
Labour Day, Worker's Day or May Day (1 May, most countries - United States and Canada celebrate Labour Day on the first Monday of September)
Mother's Day (second Sunday in May in North America, fourth Sunday in Lent in UK)
Father's Day (Different countries have different dates)
Halloween (31 October)
New Year's Eve (31 December)
Holidays celebrated in various countries
United States
Martin Luther King, Jr.'s birthday, either January 15 or the third Monday in January
Abraham Lincoln's birthday, either February 12 or the second Monday in February
George Washington's birthday (or Presidents' Day), either February 22 or the third Monday in February
Memorial Day, last Monday in May
Independence Day, July 4
Labor Day, first Monday in September
Thanksgiving, fourth Thursday in November
Religious holidays
Buddhist holidays
Vesak
Blessed Rainy Day in Bhutan
Celtic and Norse holidays
In the order of the Wheel of the Year:
Samhain (Celtic): 31 October-1 November, Celtic New Year, first day of winter
Winternights (Norse): 29 October-2 November, Norse New Year
Yule (Norse): 21 December-22 December, winter solstice, Celtic mid-winter
Imbolc (Celtic): 1 February-2 February, Celtic first day of spring
Ostara/Easter (Norse): 21 March-22 March, vernal equinox, Celtic mid-spring
Beltane (Celtic): 30 April-1 May, Celtic first day of summer
Litha (Norse): 21 June-22 June, summer solstice, Celtic mid-summer
Lughnasadh (Celtic): 1 August-2 August, Celtic first day of autumn
Mabon/Harvest End (Norse): 21 September-22 September, autumnal equinox
Hindu holidays
Baisakhi
Daserra
Diwali
Diwali Amvasaya (Laxmi Puja)
Diwali (day 2)
Bhaubeej
Ekadasi
Ganesh Chaturthi
Gokul Ashtami
Gudhi Padwa
Holi
Mahashivratri
Makar Sankranti
Onam
Pongal
Rama-Lilas
Ram Navami
Vaikunta Ekadasi
Ugadi
Christian holidays
Advent
All Saints' Day
All Souls' Day
Ascension Day (Jesus enters Heaven)
Ash Wednesday
Assumption of Mary (The Virgin Mary enters Heaven)
Candlemas
Childermas
Christmas (Birth of Jesus)
Corpus Christi(Sacrifice of Jesus)
Easter (Jesus is born again)
Easter Triduum
Easter Vigil
Good Friday (Death of Jesus)
Holy Saturday
Holy Thursday (The Last Supper)
Epiphany
Lent
Pentecost or Whitsun (The Holy Spirit goes to the followers of Jesus)
Shrove Tuesday or Mardi Gras (last day of Carnival)
Winter Lent
Watch Night
Catholics also celebrate saint's days.
Islamic holidays
Aashurah Muharram
Eid (based on the lunar calendar)
Eid ul-Fitr, Lesser Bairam
Eid ul-Adha, Greater Bairam
Mawlid Al Rasul - Prophet Muhammad's Birthday
Nisfu Shaaban
Nuzul Al Qur'an - First announcement of Holy Koran
Ramadan-Ul-Mubarik
Isra' Mi'raj - Prophet Muhammad's enters heaven.