A period of one year can be called a year, or astronomically speaking, a revolution.
It's called a decade.
A period of 100 years is called a century.
It COULD be called a Gigayear, but in practice it is simply called "a billion years".
1/25 Hz
A period of one year can be called a year, or astronomically speaking, a revolution.
A period of 25 years is commonly referred to as a "quarter-century."
A ten year period is a decade.
A quarter century.
a 12 month period is called a fiscal year, there is also a natural year.
A period of 1 thousand year is called a millennium.
a five-year period is a quinquennium
Pregnancy or not going to doctor regularly
It's called a decade.
A period of 100 years is called a century.
100/4 = 25.Either 24 or 25, depending if the century year is divisible by 400.For example, if the 100 year period contained the year 2000, then there would be 25 leap years.If the 100 year period contained the year 2100, then there would be 24 leap years.its 24.
about 1 year?