What tense is it now?

Present simple present tense or present perfect tense.

As an adverb, now can be used as an adverbial of time in a sentence, which means "now, now, now, from now on" and is often used to talk about things related to the present.

Now, as a conjunction, it means "since, because" and is often used to guide a reason. At the same time, now can also be used to express time, adverbs, pronouns and adjectives, as well as to describe time, weather, temperature, distance and so on. For example:

It's six o'clock. It is already six o'clock.

It's two o'clock in the morning. It's two o'clock in the morning.

It's already five o'clock. It's already five o'clock.

The meeting is over now. The meeting is over now.

In addition, now can also be used to express adjectives, meaning "present, present", and is often used to modify nouns to indicate the state or situation at a certain point in time. For example:

This problem is being discussed at the meeting. This problem is being discussed at the meeting.

This song is now the song of our movie. This song is now the theme song of our film.

This season is over now. The season has passed.

In a word, now is a very common word, which can be used as adverb, pronoun, adjective and conjunction to describe time, weather, temperature, distance and so on. , can also be used to indicate the state or situation at a certain point in time.