Until 1913, the official time standard for the whole of China was still the apparent solar time of Beijing, the capital of the country at the time. Starting in 1914, the Republic of China government began adopting the Beijing Local Mean Solar Time as the official time standard.
(titles) (of a man): Mr (Mister, mister), Sir (sir); (of a woman): Ms (Miz, mizz), Mrs (Mistress, mistress), Miss (miss), Dame (dame), (of a non-binary person): Mixter: Mx; (see also): Dr (Doctor, doctor), Madam (madam, ma'am)
Notice that Miss is not an abbreviation, so we don't put a period after it. Ms. is not an abbreviation, either, but we do use a period after it  probably to keep it consistent with Mr. and Mrs. The plural of Mr. is Messrs. (We invited Messrs. Carter, Lincoln, and Ford.) The plural of Dr. is Drs.