晴れの日
Meanings
1
fine day; clear day
Refers to a day with good weather, often used in contrast to rainy or cloudy days.
Tomorrow looks like it will be a fine day.
I like taking walks in the park on clear days.
2
formal occasion; special day
Used for ceremonies, celebrations, or important life events such as weddings and graduations.
Many people wear kimono on formal occasions.
Graduation day is a special day in one's life.