Editing List of non-standard dates (section)

==Other uses==
===February 31===
'''February 31''' or '''31 February''' is exceptionally used on gravestones when the date is unknown,<ref>{{cite web |title=February 31 On Gravestone |url=http://www.swampyacresfarm.com/wordpress/tag/february-31-on-gravestone/ |website=Swampy Acres Farm Blog |access-date=June 13, 2019 |archive-url=https://web.archive.org/web/20181219214313/http://www.swampyacresfarm.com/wordpress/tag/february-31-on-gravestone/ |url-status=dead |archive-date=December 19, 2018 |date=December 19, 2018}}</ref>{{Better source needed|date=June 2019|reason=This claim needs references to better sources. A blog is not generally considered a reliable source.}} or, in at least one case, out of supposed superstition (more likely an error).<ref>{{cite book |title=Weird Illinois |author=Troy Taylor |page=212 |publisher=Sterling Publishing Co., Inc. |year=2005 |isbn=9780760759431 |url=https://books.google.com/books?id=gE4P1bhDCB4C&pg=PA212}}</ref><ref>{{cite web |last1=McBride Jacobson |first1=Molly |title=St. Omer Cemetery Witch Grave |url=https://www.atlasobscura.com/places/st-omer-cemetery-witch-grave |work=Atlas Obscura |date=6 January 2017 }}</ref>

===March 0===
'''March 0''' or '''0 March''' is used in [[astronomy]].<ref>{{cite book |title=The Astronomical Almanac for the Year 2003: Data for Astronomy, Space Sciences, Geodesy, Surveying, Navigation and Other Applications |date=2001 |publisher=U.S. Government Printing Office |isbn=978-0-11-887320-8 |page=K2 |bibcode=2001asal.book.....U }}</ref> {{Clarify|reason=How is it used?|date=October 2024}}

===May 35===
'''May 35''' or '''35 May''' is used in mainland China to avoid censorship when referring to the [[Tiananmen Square protests of 1989]], where the official names are strictly [[Censorship in China|censored]] by the [[Government of China|national government]], and the event is normally referred to as [[June 4]].<ref>{{cite news
 |url=http://www.theage.com.au/world/china-tightens-information-controls-for-tiananmen-anniversary-20090604-bvxf.html
 |title=China tightens information controls for Tiananmen anniversary
 |agency=Agence France-Presse
 |date=2009-06-09
 |work=The Age
 |location=Australia
 |access-date=2025-03-20
 |url-status=live
 |archive-url=https://web.archive.org/web/20090930185040/http://www.theage.com.au/world/china-tightens-information-controls-for-tiananmen-anniversary-20090604-bvxf.html
 |archive-date=2009-09-30
}}</ref>