Year
From Tardis Wiki, the free Doctor Who reference
A year was a unit of time which typically lasted 365 days on Earth. (TV: Last of the Time Lords) More specifically, in an Earth-standard Gregorian calendar, a year was 365.25 days long. (PROSE: Instead of You)
A night on Darillium lasted 24 Earth years. (TV: The Husbands of River Song)
