In weeks of 7 days, three months can be 12 weeks and 5 or 6 days, or 13 weeks, or 13 weeks and 1 day. There are at least 4 weeks (28 days) in every month, but the number of â¦days varies. Some months have 30 days (April, June, September, November) and some have 31 days (January, March, May, July, August, October, December).
1540s ,  words , clauses , etc. inserted into a sentence ,  from Middle French parenthÃ¨se ( 15c. ) , from Late Latin parenthesis  addition of a letter to a syllable in a word ,  from Greek parenthesis , literally  a putting in beside ,  from parentithenai  put in beside ,  from para -  beside  ( see para - ( 1 ) ) + en -  in  + tithenai ...
Brackets (Parentheses) in English. Brackets (also called parentheses) enclose extra information or explanations which interrupt the normal progression of the sentence. Additional Information in Brackets. Additional information is enclosed in brackets if the information is not essential for the understanding of the sentence. Example: Connor (Amy's boyfriend) bought the tickets. see also: â Additional Information in Commas. see also: â Dashes in Summaries and Additional Information.