Constellation abbreviation _ do you want to add some points to the constellation abbreviation letter?

English abbreviation for week: Monday Mon. Tuesday. Tuesday. Wednesday. Thursday. Thursday. Friday, Fri. Saturday. Sunday sun. (You can't remove the following points when you abbreviate)

English abbreviation for month: January? January, February, February, March, April, May, June, July, August, September, October, November, November, December (the dot after the abbreviation cannot be removed).

English date abbreviations: 1st, 2, 3, 4, 5, 6, 7, 8, 9,10th; 1 1th, 12th, 13th, 14th, 15th, 16th, 17th and/kloc.

Extended data:

Dates are expressed by ordinal numbers. Suffixes (-st, -nd, -rd, -th) before ordinal numbers can be omitted when writing, but they should be read when reading.

Represents the year, month and day, and is written according to the ordinal year of the month and day, with a comma before the year. Such as: 65438+September 2nd 0993 Writing: September 2nd (ND), 1993.

Generally, the first two digits of a four-digit year are a unit, and the last two digits are a unit, which are read in turn with the base digits. A three-digit year can be read in radix, or the first number is a unit, and the last two numbers are a unit, or it can be read in radix.