February 31
February 31 or 31 February does not exist in both Julian calendar and Gregorian calendar. It is used on gravestones when the date is never really known.[1]
It is also used (with February 32 and February 33) for weather data.[2]
Deaths
1831 - Rachael Mack[1]
February 31 Media
References
- ↑ 1.0 1.1 "February 31 on Gravestone | Swampy Acres Farm Blog". Archived from the original on 2018-12-19. Retrieved 2019-02-23.
- ↑ J. D. Everett (1863). "Description of a method of Reducing Observations of Temperature". The American Journal of Science and Arts. S. Converse: 23.