Holidays and Observances
Alphabetical Listing of O Holidays

Below, you can find a Holidays and Observances Alphabetical Listing of US Holidays and World Holidays and Observances that start with O.  We are still adding names to the list, so more information will be coming. 

After we complete the summary pages on the site, we will start working on a detailed page(s) for each Holidays and Observance. Once a page is completed for each Holiday or Observance, it will be linked up below, as well as it's related Daily Holidays page. (that should keep us busy for the next 20 years or so!!)

Search for Holidays Alphabetically:

A, B, C, D, E, F, G, H, I, J, K, L, M, N, O, P, Q, R, S, T, U, V, W, X-Y-Z

Organic Harvest Month is the Entire Month of September!

Organic Harvest Month is the Entire Month of September! I've been growing my own Organic Vegetables over the last couple of years. Not only does it save a lot of money, but there is nothing better than going outside to pick stuff for dinner! This was one day's haul - with this many tomatoes, I took off the skins and ran everything through my juicer.  I was then able to freeze the juice/pulp in freezer quart size bags which are perfect for taking out to make pasta sauce or any type of soup. For excess zucchini - I peeled them and just grated them and put in freezer baggies to add to soups and sauces.

O Holidays and Observances

  • Oatmeal Monday - February 13, 2017 (Second Monday in February)
  • Oatmeal Month - Entire Month of January
  • Occupational Safety & Health Day - May 10, 2017 (Wednesday of the First Full Week of May)
  • Occupational Therapy Month - Entire Month of April
  • Odd Day - Not in 2014 (Last one was 9-11-13 - three consecutive odd numbers)
  • Odd Socks Day - October 6, 2017 (in Australia)
  • Official Lost & Found Day - December 8, 2017 (Second Friday in December)
  • Oglethorpe Day - February 12
  • Oklahoma City Bombing Commemoration Day - April 19
  • Okra Month - Entire Month of June
  • Oktoberfest - September 16, 2017 - October 3, 2017 Beer Festival in Munich, Germany. This festival is now held all over the World. Also, check out our Holidays in Germany page!
  • Old Farmers Day - October 12
  • Old Maid's Day - June 4
  • Old Time Fiddlers Week - June 18-24, 2017 (Third Week in June)
  • Older Americans Mental Health Week - May 21-27, 2017 
  • Older Americans Month - Entire Month of May
  • One-on-One Month - Entire Month of September
  • Open that Bottle Night - February 25, 2017 (Last Saturday in February)
  • Operating Room Nurse Awareness Week - Third Week of November
  • Operation Red Wings Observance - June 28
  • Operation Santa Paws - Entire Month of December
  • Orange Month - Entire Month of August
  • Organic Harvest Month - Entire Month of September
  • Organize Your Home Office Day - March 14, 2017 (Second Tuesday in March)
  • Organize Your Medical Information Month - Entire Month of October
  • Orthodox Easter - April 16, 2017 (movable date)
  • Orthodox Easter Monday - April 17, 2017 (movable date)
  • Orthodox Good Friday - April 14, 2017 (movable date)
  • Orthodox Holy Saturday - April 15, 2017 (movable date)
  • Orthodox Lent - February 27 - April 7, 2017
  • Orthodox Pentecost - June 4, 2017
  • Oscar the Grouch Day - June 1
  • Ostasa - March 20, 2017 (Spring Equinox) 
  • Osteoporosis Prevention Month - Entire Month of May

Search for Holidays Alphabetically:

A, B, C, D, E, F, G, H, I, J, K, L, M, N, O, P, Q, R, S, T, U, V, W, X-Y-Z

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