|
|
|
|
|
|
A day is a unit of time. In common usage, it is either an interval equal to 24 hours or daytime, the consecutive period of time during which the Sun is above the horizon.
Terasecond is equal to 1 000 000 000 000 second (unit of time), comes from a combination of the metric prefix tera (T) with the second (s). Plural name is teraseconds with symbol is Ts.