now, although it is too late; at this late hour
Expresses that the speaker is bringing up or realizing something belatedly, often with a sense of embarrassment or irony. Used adverbially at the beginning or middle of a sentence.
I realized that now, although it's too late.
Now, belatedly, I'm impressed by his talent.
Used when re-examining or re-experiencing something with a fresh perspective, often implying that the speaker should have noticed earlier. Less common than sense 1.
I reaffirmed the greatness of this movie anew, though belatedly.