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There are 60 seconds in a minute and sixty minutes in an hour, so each hour is 3600 seconds. Multiply 24 to get days, and then 365.25 to get years, accounting for leap years. This is 31,557,600 seconds per year.
Divide 1,000,000,000 seconds by 31,557,600 seconds per year, and you get 31 years, 251 days, 7 hours, 46 minutes and 40 seconds.
(Why didn't I figure out the months? Because the months aren't equal!)
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How many years ago is 2.8 Gyr?
1 Gyr is 1 billion years, so 2.8 Gyr is 2.8 billion years ago.
If 12'o clock midnight equals 4.6 billion years ago and 1 hour equals 1 billion years how many years is 3 hours and 6 hours?
3 hours = 3 hours PAST 12 o'clock = (3 x 1 billion) - 4.6 billion = 3 billion - 4.6 billion = -1.6 billion years = 1.6 billion years ago6 hours = 6 hours PAST 12 o'clock = -1.6 billion years + (3 x 1 billion) = -1.6 billion + 3 billion = 1.4 billion years ago
What date is one billion seconds ago?
Almost 32 years ago (obviously the date will change depending on when the question is being asked... ie., in 2008 it's 1976, in 2032 it'll be 2000).
How long is one quintillion seconds?
Well, darling, one quintillion seconds is a whopping 31,688,765 years. So, unless you've discovered the secret to immortality, you won't be around to witness that many seconds tick by. Just sit back, relax, and enjoy the time you've got!
How many years ago was 5000 years ago?
Well, honey, if you're asking how many years ago 5000 years ago was, the answer is pretty straightforward. 5000 years ago was, surprise surprise, 5000 years ago. Time may fly, but math is pretty consistent.
