this (morning/afternoon/evening)

"This morning" means the morning today. You can use it to talk about something earlier or later:

What time did you leave this morning?

What time are you leaving this morning?

"This afternoon" and "this evening" work the same way:

I had coffee with Mr. Hernandez this afternoon.

Hey, are you doing anything this evening? I was invited to this party and I was wondering if you'd like to join me.

This phrase appears in these lessons: