I'm about to eat now.

Now that she had housework she fed the cat and dog.

He told us to take off all our clothes, to take it all off [so that] now we weren't even wearing our underwear.

Now it's about to get really cold.

But my father died first so we were doing the ancestral rites for my father...

As more and more guests came, the food was now plentiful and the situation had become like this...