The word 'いま' is commonly used to refer to the current moment or the present time. It is a neutral term and can be used in various contexts to indicate immediacy or the current state of affairs.
いまは忙しいです。
Ima wa isogashii desu.
I am busy now.
いま何時ですか?
Ima nanji desu ka?
What time is it now?
現在 (genzai)
current
今後 (kongo)
from now on
今朝 (kesa)
this morning