Buon giorno as a description or greeting and Buona giornata! as a greeting are Italian equivalents of the English phrase "Good day." Context makes clear whether a comment of "(It's a) nice day" or the courtesy of "Good day!" (case 1) or the greeting "(Enjoy your, Have a) good day!" (case 1, example 2) suits. The respective pronunciations will be "bwon DJOR-no" and "BWO-na djor-NA-ta" in Italian.
"Have a good day at work!" in English is Buona giornata al lavoro! in Italian.
"Today is a good day!" in English is Oggi è un bel giorno! in Italian.
"Your day has been good!" in English is Il tuo giorno è stato buono! in Italian.
Buona giornata! is an Italian equivalent of the English phrase "Have a good day!" The feminine singular phrase also translates as "(Enjoy your) good day!" in Italian. The pronunciation will be "BWO-na djor-NA-ta" in Italian.
Buona giornata amico mio
"How was the day?" in English is Com'è stato il giorno?in Italian.
"Have a blessed day!" in English is Giorno benedetto! in Italian.
"Wonderful day!" in English is Bellissima giornata! in Italian.
"Beautiful day!" in English means Bella giornata! in Italian.
Buon giorno! Ciao! is an Italian equivalent of the English phrase "Good day! Hello!" The pronunciation of the masculine singular greeting will be "bwon-DJOR-no tchow"* in Italian.*The sound is similar to that in the English noun "chow."
Bel giorno oggi! is an Italian equivalent of the English phrase "Good day today!" The masculine singular phrase translates literally as "Beautiful day today!" in English. The pronunciation will be "bel DJOR-no OD-djee" in Pisan Italian.
"I had a bad day!" in English is Ebbi una brutta giornata! in Italian.