original: 12-hour clock times end with dotted or undotted lower-case or , or or , which are spaced -lrb- or , not or -rrb- .
simplifications: 12-hour clock times end with dotted or undotted lower-case or , or or , which are spaced -lrb- or , not or -rrb- twelve-hour clock times end with dotted or undotted , lower-case , spaced " or . " 12 hour clock times can end dotted or undotted lower-case , which may or may not be spaced . twelve-hour clock times end with dotted lower-case labels of a.m. or p.m. , or the labels can be undotted with a space before them . examples of each would be 2:30p.m. or 2:30 pm . 12-hour clock times end with mark or unmark lower-case or , or or , which are spaced -lrb- or , not or -rrb- . 12-hour clock times end with with small round mark or undotted lower-case or , or or , which are spaced -lrb- or , not or -rrb- . 12-hour clock times end with dotted or undotted lower-case 12-hour clock times end with dotted or undotted lower-case or , or or , which are spaced -lrb- or , not or -rrb- .