one day of solar time, the time between successive noons; the time in which a planet such as Earth apparently rotates once around its axis, relative to the sun (on Earth about 24 hours as an average - the length of solar day is not constant throughout the year)
A subdivision of the month into longer periods of work days punctuated by shorter weekend periods of days for markets, rest, or religious observation such as a sabbath.
A period of five days beginning with Monday.
Any period of seven consecutive days.
A period of seven days beginning with Sunday or Monday.
Seven days after (sometimes before) a specified date.