One movie in which this quotation is used is Little Big Man starring Dustin Hoffman. Another is "Flatliners" (1990) staring Kiefer Sutherland; Kevin Bacon and Julia Roberts.
It's going to be a good day today
Today Is a Good Day was created in 2009-09.
Today is never a good day to die. There is never a good day to die and everyone dies when their time comes.
good
Today...
Today will be a good day = יהיה יום טוב (yee-YEH yom tov)
Because it is always today.
Movie theaters are open every day of the year.
"Today is a good day!" in English is Oggi è un bel giorno! in Italian.
Today is a noun in that sentence.
Good-you?
"Today has been good."