Today is a noun in that sentence.
We have good weather today.
"Today we're going to the beach" "Today wasn't a good day but hopefully tomorrow will be better"
Yes, certainly. 'Today is the first day of the rest of your life.'
We are going to our state capital today.
Most religions today are monotheistic.
Today I had heaps of fun at the fair.
I have bought a new drill today.
the homework we had today was optional because we were really good in school today ......but still everyone did it
I think that life in prison without any chance for parole is a good sentence for hijacking. I witnessed a hijacking at the supermarket today. There's another hijacking on the news today.
I met a courteous young lady today.
today i got a painful injection
I had a lot of confusion doing my homework today.