It COULD be called a Gigayear, but in practice it is simply called "a billion years".
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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 .
Oh, dude, 1 billion years is like a looong time. It's around 365 billion days because a year has about 365 days. So, if you're planning your billion-year anniversary, make sure to clear your schedule for a few million millennia.
Oh, that's a wonderful question! In 5 billion years, there are approximately 1,825,000,000,000 days. Isn't that just amazing to think about all those days filled with endless possibilities and beauty? Just imagine all the happy little moments waiting to be painted on the canvas of time.
year 1991.