To spend a day (in a place).
Rotational period of a planet (especially Earth).
Any period of 24 hours.
The part of a day period which one spends at one’s job, school, etc.
A period from midnight to the following midnight.
A period of contention of a day or less.
A 24-hour period beginning at 6am or sunrise.
A specified time or period; time, considered with reference to the existence or prominence of a person or thing; age; time.
Part of a day period between sunrise and sunset where one enjoys daylight; daytime.
The state or quality of being opaque, not allowing light to pass through
The state or quality of being inaccessible to understanding.
A measure of relative impenetrability to electromagnetic radiation such as light.