Current Events > know whats crazy every 100 years we dont have a leap year

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EverHeardOfIt
09/28/17 6:58:55 PM
#1:


but in 2000 we did have a leap year cause every 400 years we say fuck the 100 year rule
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sauceje
09/28/17 6:59:36 PM
#2:


wait, why wouldn't we have a leap year every 100 years?
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EverHeardOfIt
09/28/17 7:00:48 PM
#3:


sauceje posted...
wait, why wouldn't we have a leap year every 100 years?

It's more accurate to skip leap years every now and then
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Laserion
09/28/17 7:02:46 PM
#4:


Every four years because 365.25 instead of 365. So we add 1 more day every 4 years.
But it's not really 365.25, but a bit less, so we remove the extra day every 100 years, giving us a normal year.
But the bit less that causes this 100 no-leap, is not as much less to always work every 100 years, and every 400 years you need to add one more.

It's to keep up with the orbit of Earth around the Sun.
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Medussa
09/28/17 7:04:23 PM
#5:


sauceje posted...
wait, why wouldn't we have a leap year every 100 years?


it's every year evenly divisible by 4
unless it's also divisible by 100
unless it's also divisible by 400

each correction allows for an extra bit of precision, since years and days aren't evenly divisible.
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Paragon21XX
09/28/17 7:05:09 PM
#6:


sauceje posted...
wait, why wouldn't we have a leap year every 100 years?

Think about how to reach 365.2422 (length of tropical year) only by adding or subtracting fractions.

365 + 1/4 - 1/100 + 1/400 = 365.2425 (a difference of 1 day every 3,333 years).
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Hmm...
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sauceje
09/28/17 7:37:42 PM
#7:


Okay fair enough
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He was born in a coop, raised in a cage, children fear him, critics rage,
He's half alive, he's half dead, folks just call him Buckethead
... Copied to Clipboard!
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