2023年10月18日 · February 31, with regard to the modern Western (revised Gregorian) calendar, is an imaginary date. It is sometimes used for example purposes, to make it clear regardless of context that the information being presented is artificial and not real data.

February 31 on a tombstone. Several non-standard dates are used in calendars for various purposes: some are expressly fictional, some are intended to produce a rhetorical effect (such as sarcasm), and others attempt to address a particular mathematical, scientific or accounting requirement or discrepancy within the calendar system.

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]

February is the third and last month of meteorological winter in the Northern Hemisphere. In the Southern Hemisphere, February is the third and last month of meteorological summer, being the seasonal equivalent of August in the Northern Hemisphere.

United States February 31 – Calendar with American holidays. Monthly calendar for the month February in year 31. Calendars – online and print friendly – for any year and month

February 31, with regard to the modern Western calendar, is an imaginary date. It is sometimes used for example purposes, to make it clear regardless of context that the information being presented is artificial and not real data.

While every month besides the second in the calendar contains at least 30 days, February falls short with 28 (and 29 on a leap year). So why is the most widely used calendar in the world so inconsistent in the lengths of its months? And why is February stuck with the fewest number of days? Blame it on Roman superstition.

Did February ever have 31 days? February 30. February 30 or 30 February is a date that does not occur on the Gregorian calendar, where the month of February contains only 28 days, or 29 days in a leap year. February 30 is usually used as a sarcastic date for referring to something that will never happen or will never be done.

2021年9月30日 · February 31. A nonexistent date of the Gregorian calendar, especially in context of having scheduled events that will never occur.

2021年4月26日 · Was there ever a February 31st? February 31, with regard to the modern Western (revised Gregorian) calendar, is an imaginary date. February 30 is sometimes used in the same manner, although there are other calendars that legitimately use February 30.