It's, "One day, Felipe [Phillip] goes to Kroger."
It would be es un dulce dia (with an accent on the I in dia). This is one of the exceptions where the adjective comes before the object.
A good day
Es un dia bonito.
es un buen dia
Have a beautiful day
"tuviste un mal dia"
yo voy a garar un dia mia
Que pase(s) un dia perfecto
Estás teniendo un bueno dia ?
Que tengas un buen dia OR Que tengas buen dia = Both informal Que tenga un buen dia OR Que tenga buen dia = Both formal
"Have a great day" in Spanish is "Ten un gran día". It is pronounced "Ten oon grahn DEE-ah". Please see the Related link below for confirmation of the translation.
¡Cumpleaños felices! Tenga un día agradable.