English abbreviation (iv) English abbreviation (iv)
1: English date abbreviation 1st=first,2nd=second,3rd=third,4-10 all end with th 4th,5th,6th,7th,8th,9th,10th.
11,12,13 because their English is eleven,twelve,thirteen, so the abbreviation is 11th=eleven,12th=twelve,13th=thirteen,14th,15th,16th,17th,18th, 19th,20th.
21,22,23 because of the end of the 21st,22nd,23rd,23-30, so should be abbreviated to the back of the direct with th.
2: English week abbreviation, as long as the first three letters of the word, plus ".", Tuesday, Thursday exception, mon.=monday,tue.tues=tuesday,wed.=wednesday,thur.thurs=thursday,fri.= Friday,sat.=saturday,sun.=sunday.
3: Abbreviation of the English month, as long as the first three letters of the word, plus "." September exception
Jan.=january,feb.=february,mar.=march,apr.=april,may=may,jun.=june,july=july,aug.=august,sep/sept=september, Oct.=october.nov.=november,dec.=december.
English abbreviation (iv)