Definitions for up to now
so far, thus far, up to now, hitherto, heretofore, as yet, yet, til now, until now(adverb)
used in negative statement to describe a situation that has existed up to this point or up to the present time
"So far he hasn't called"; "the sun isn't up yet"
up to now, to date(adverb)
prior to the present time
"no suspect has been found to date"