Day

Sidereal day

Synonyms: Twenty-four-hour period, twenty-four hours, solar day, full day, working day, and sidereal day.

Daytime

Synonyms: Daytime, daylight hours, hours of sunlight, waking hours, daylight, hours of light, broad daylight, and the waking day.

Period

Synonyms: Period, point in time, era, generation, time, age, and epoch.

Prime

Synonyms: Heyday, hour, best days, maturity, pinnacle, zenith, youth, springtime, full flowering, prime, time, best years, peak, height, ascendancy, vigour, salad days, and bloom.

Example Sentences

Today is a beautiful day to go outside.

She spends every day reading a new book.

The holiday falls on the last day of the month.

He worked hard all day to finish the project.

Each day brings new opportunities and challenges.