American English usually includes the period (e.g., St. To expand a little on Ben's answer, the British practice is not to use a full stop where the abbreviation contains the first and last letters of the word abbreviated. So, St (which can also be an abbreviation of street) but etc.
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Beside this, does abbreviation need a period?
In American English, we always put a period after an abbreviation; it doesn't matter whether the abbreviation is the first two letters of the word (as in Dr. for Drive) or the first and last letter (as in Dr. for Doctor).
Beside above, what abbreviations do not use periods? Abbreviations made up of the first letter of each word in a phrase, usually in all capitals, do not generally use periods, with some exceptions here and there. (D.C. has periods even though it is pronounced letter by letter.) These are abbreviations pronounced as words instead of a string of letters.
Beside above, is there a period after AM and PM?
You can write "a.m." and "p.m." as lowercase letters with periods after them or as small capitals without periods (3, 4). Either way, there should be a space between the time and the "a.m." or "p.m." that follows.
Does St need a full stop?
British usage favours omitting the full stop in abbreviations which include the first and last letters of a single word, such as Mr, Mrs, Ms, Dr and St; American usage prefers (A) Mr., Mrs., Ms., Dr. and St., with full stops. Most other abbreviated titles, however, require a full stop, as shown above.
Related Question AnswersWhere do full stops go in initials?
For other initials and acronyms, no punctuation is used, e.g. UK, USA, NATO, NHS, WHO. The basic guideline for abbreviations is to add a full point where something is omitted at the end of a word or title, not where the missing letters fall inside the abbreviation.How do you write initials?
If all the letters are the same size (also known as block), initials are ordered like your name: first, middle and last. If the monogram features a larger center initial, the ordering is always first name, last name, and middle name.How do you write a period with initials?
Periods are frequently, but not always used, after initials and with two-letter abbreviations (U.S.). Declarative sentence: Harry S Truman did not use a period after his middle initial. Periods should be placed inside closing quotation marks, except when followed by a parenthetical note.Does UK have full stops?
US (Br.) In British English, abbreviations of titles often omit a full stop, as in Mr, Dr, Prof, which in American English would be given as Mr., Dr., Prof. The rule 'If the abbreviation includes both the first and last letter of the abbreviated word, as in mister and doctor, a full stop is not used.Do you put dots in between initials?
Yes, put a space after the period in an abbreviation. In names with initials and abbreviations, such as J. R. should there be a space or not after the dots? Yes, put a space after the period in an abbreviation. Unless it's followed by another abbreviation, of course.Does DC have periods?
[1] The letters D.C. each get a period, since they are abbreviations for the term District of Columbia. Like a state name (“Gary, Indiana, is my home, sweet home”) it is set off by commas before and after. Like the names of other specific buildings, e.g., the White House, the Capitol is capitalized.How do you punctuate initials?
Rule: Include a space between initials. Do not include a space between initials. Preference against periods. Preference for periods.How do you write AM PM in AP style?
AP Style time of day holds that the time descriptors “ante meridiem” (before noon) and “post meridiem” (after noon) should be abbreviated with lowercase letters and with periods (a.m. and p.m.).Are AM and PM capitalized with periods?
AM / PM. It is now rare to see periods placed after these abbreviations as in “A.M.”; but in formal writing it is still preferable to capitalize them, though the lower-case “am” and “pm” are now so popular they are not likely to get you into trouble.How do you write time in English?
Rules- Lowercase a.m. and p.m. and always use periods.
- Lowercase noon and midnight.
- Do not use 12 noon or 12 midnight (redundant). Use noon or midnight.
- Do not use 12 p.m. or 12 a.m. Use noon or midnight.
- Do not use 8 a.m. in the morning (redundant) Use 8 a.m.
- Do not use o'clock with a.m. or p.m.
