Twelve

+**Twelve** (12) is a fundamental [Number](/wiki/number) often signifying completeness or a cycle. It measures the hours of a [Day](/wiki/day) and the months of a [Year](/wiki/year), holding profound cultural and mathematical significance. This cardinal number follows eleven and precedes thirteen, forming a cornerstone for systems of time and measurement.

+## See also

+- [Number](/wiki/number)

+- [Time](/wiki/time)

+- [Calendar](/wiki/calendar)