It COULD be called a Gigayear, but in practice it is simply called "a billion years".
Not accounting for leap years, a billion seconds is 31.7 years.================================If your year is the period of time printed on a calendar, then you have toworry about leap years.If your year is the length of time the Earth takes to complete one orbital revolutionaround the sun, then you don't, because all years have the same length.1 billion seconds = 31.6875 [sidereal] years (rounded)
1 billion minutes ago was the year 110 . 1 billion minutes later will be the year 3913 .
year 1991.
A period of one year can be called a year, or astronomically speaking, a revolution.
One billion seconds ago is roughly the equivalent of 31.7 years ago, using the US definition of one billion. One billion is one thousand millions.
a century
A year. unless thats not what you meant
The period of time closely following a marriage is often referred to as the "Honeymoon" period. It is recognized as a time of little conflict in a relationship.
365.25 days (rounded. That's the period of time we call "one year".
A millenia.AnswerA megayear. Zekromrocks:A millennia is 1000 years isn't it?
Not accounting for leap years, a billion seconds is 31.7 years.================================If your year is the period of time printed on a calendar, then you have toworry about leap years.If your year is the length of time the Earth takes to complete one orbital revolutionaround the sun, then you don't, because all years have the same length.1 billion seconds = 31.6875 [sidereal] years (rounded)
12 billion
365.24 days. We have a special name for that period of time. We call it a "year".
It has no individual name
Seasons
Roughly 3651/4 days. It's the period of time that we call a "year".
In rounded numbers, 365.25636 days. It's the period of time we call a "year".