American English is based on month/day/year.

British English is in units of day/month/year.

The language of China is in units of year/month/day.

Abbreviation of English month

January (Jan) January; February (Feb) February; March (March) March; April (April. ) April; May may; June (June; July; August (August. ) August; September (September. ); October (Oct) October;

November (November); December.

Remember the abbreviation (. ) a few weeks later.

Monday, Monday, Monday. Tuesday Tuesday Tuesday Tuesday

Wednesday, Wednesday, Wednesday, Thursday, Thursday, Thursday.

Friday, Friday, Fri. Saturday.

Sunday, Sunday, the sun

Special date:

1st second third fourth fifth sixth seventh eighth ninth10th;

1 1 12 13 14 15 16 17 18/kloc

2 1st 22 23 24 25 26 27 28 29 30 3 1st

Eleventh, twelfth and thirteenth are eleven, twelve and three respectively, so the ending is th, and twenty-one, twenty-two and twenty-three are twenty-one.

Twenty-second, twenty-third, so ST, nd and rd are used later.