Noun
time for Earth to make a complete rotation on its axis
Source: WordNettwo days later they left Source: Internet
they put on two performances every day Source: Internet
there are 30,000 passengers per day Source: Internet
A mean solar day is, therefore, nearly 4 minutes longer than a sidereal day. Source: Internet
A mean solar day (what we normally measure as a "day") is the average time between local solar noons ("average" since this varies slightly over the year). Source: Internet
However, for the past several centuries, the length of the mean solar day has been increasing by about 1.4–1.7 ms per century, depending on the averaging time. Source: Internet