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Why Leap Years are Used
On
this page you will find information about leap years,
why and when they are used.
February 29, 2008
Year 2008 is the next leap year, with 29 days in
February. February 2008 has five Fridays - it starts and
ends on a Friday. Between 1904 and 2096, leap years with
same day of week for each date repeat every 28 years
which means that the last time February had 5 Fridays
was in 1980 and next time will be in 2036.
What is a leap year?
A
leap year is a year with one extra day inserted into
February, the leap year is 366 days with 29 days in
February as opposed to the normal 28 days. (There are a
few past exceptions to this)
Which years are leap years?
In
the Gregorian calendar, which is the calendar used by
most modern countries, the following rules decide which
years are leap years:
-
Every year divisible by 4 is a leap year.
-
But every year divisible by 100 is NOT a leap year
-
Unless the year is also divisible by 400, then it is
still a leap year.
This means that year 1800, 1900, 2100, 2200, 2300 and
2500 are NOT leap years, while year 2000 and 2400 are
leap years.
This actually means year 2000 is kind of special, as it
is the first time the third rule is used in many parts
of the world.
In the old Julian Calendar, there was only one rule: Every
year divisible by 4 is a leap year. This calendar was
used before the Gregorian calendar was adopted.
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Below are
69 variations OF the Leap year Month Poem
Submitted
by Leap Day babies and Annual Birthday babies.
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Version 67
30 days hath September
April, June, and November.
All the rest have 31,
save February - the shortest one.
28 is all it stores,
till Leap Year gives it one day more. |
Version 68
30 days hath
September,
April, June, and
November.
All the rest
have 31--
Just a minute,
we’re not done!
February’s the
shortest one.
With 28 most of
the time,
but in Leap Year
twenty-nine.
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Version 69
(very much like Version 48)
Thirty days hath
September,
April, June, and November.
All the rest have thirty-one
Excepting February alone,
To which we twenty-eight assign
‘til Leap Year makes
it twenty-nine.
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Version 64
30 days has September
April, June and November
All the rest have 31
February has 28 alone
But in every Leap year
That come once in four
February has just 1 day MORE!
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Version 65
Thirty days hath September,
April, June, and November;
February has twenty-eight alone.
All the rest have thirty-one,
Excepting leap year, that’s the time
When February has twenty-nine |
Version 66
30 days has
September...
April, June, and
November...
All the rest have
31...
But...this
year...2008...
we definitely all
get the cake, cuz...
February 29th is
on the make!
LEAP ON!!!!
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Version 61
Thirty days
hath September,
April, June, and November.
All the rest have
thirty-one
save February, with 28 fine
'til Leap Year makes it 29!
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Version 62
30 days hath
September,
April, June, and
November.
28 days makes
February fine,
But in a Leap
Year it has 29.
All the rest
have 31,
and now the poem
has been done.
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Version 63
Thirty days hath
September,
April, June and November.
All the rest have 31
except February which hath 28
and sometimes 29 |
Version 58
30 days hath
September
April, June and November
February has 28 alone and
all the rest have 31
Leap year comes once in four
and February has 1 day MORE!
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April, June, and
November
All the rest have
31
Except for
February, the shortest one
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Version 60
30 days
hath September
April, June and November
all the rest have 31
save February with 28
but once
in four
has 1 day
more.
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Version 55
Thirty days has
September,
April, June and
November.
All the rest have
thirty-one,
But February has
twenty-eight,
And in a Leap Year,
That is when,
February has
twenty-nine.
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Version 56
Thirty Days Hath
September
April, June, and
November
All the rest have 31
Excepting February
28 is all it stores
Till Leap Year give
it
one day more
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Version 57
Thirty days hath
September
April, June, and November
All the rest have 31
Except February on 28 is done
Unless the Leap Year doth combine
And give to February 29 |
Version 52
Thirty days has
September,
April, June and
November.
After February’s
done,
The other months
have thirty one.
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Version 53
Thirty days has
September,
April, June, and
November;
All the rest have
thirty-one,
But February, which
is fun:
With twenty-eight,
it does just fine
'Til Leap Year makes
it twenty-nine!
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Version 54
Fourth, eleventh,
ninth, and sixth,
Thirty days to each affix,
Every other thirty-one
Except the second month alone. |
Version 49
Thirty days hath
September,
April, June and
November,
All the rest
have 31 except
the second month
alone,
Which has 4 and
24
And Leap Year
makes it one day
more!
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Version 50
Thirty days
hath September
April, June and
November
All the rest have
31
Except
for February which has 28
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Version 51
30
days hath September,
April, June, and November,
All the rest have 31,
Excepting February which alone,
has 28, and 1 day more,
in
which we add in "the year of four"... |
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Version 46
Thirty days hath September,
April, June, and November,
All the rest I don't remember. |
Version 47
Thirty days hath
September
April, June, and November
The 2nd month has 28 days of rhyme
'til Leap Year gives her 29.
All the rest get thirty-one
Repeat the mnemonic, as it is done.
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Version 48
30 days has
September,
April, June and November.
All the rest have 31
except the second month alone,
To which we 28 assign,
'til Leap Year gives it 29. |
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Version 43
30
days hath September,
April, June, and November;
All the rest have thirty-one
Except February -
That's the weird one. |
Version 44
Thirty days hath
September,
All the rest I can't remember.
The calendar hangs on the wall;
Why bother me with this at all? |
Version 45
Thirty days hath
September,
April June and November.
All the rest have thirty-one
Excepting February alone,
Which has twenty-eight days clear,
But twenty-nine each Leap Year.
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Version 40
Thirty days has September,
April, June and November,
All the rest have thirty one,
Excepting February, fun!
And that has twenty eight days clear,
And twenty nine in a Leap Year!
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Version 41
Thirty days hath September,
April, June, and November.
All the rest have 31,
Though February's underdone
With 28--hold the line!--
Leap Day makes it 29. |
Version 42
Thirty days has September,
April, June and November.
All the rest have 31
except February which has 4 and 24,
'til Leap Year gives it one day more. |
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Version 37
Thirty days hath September,
April, June, and November;
All the rest have thirty-one
Excepting February alone:
Which hath but twenty-eight, in fine,
Till Leap Year gives it twenty-nine. |
Version 38
Thirty days hath September,
April, June, and November;
all the rest have thirty-one,
except for February alone.
February has twenty-eight days clear,
and twenty-nine in each Leap Year.
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Version 39
Thirty days hath September,
April, June and November;
All the rest of thirty-one,
Excepting February alone,
Which has but twenty-eight days clear
And twenty-nine in each Leap Year. |
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Version 34
Thirty days have September,
April, June, and November,
All the rest have thirty-one
Except short February
Which in line
Has twenty-eight,
Leap Year makes it twenty-nine.
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Version 35
30
days hath September,
April, June and November
(all the rest have 31 except February
which has 28 and 29 in a Leap Year). |
Version 36
Thirty days hath September,
April, June, and November;
All the rest have thirty-one,
Excepting February alone,
And it has twenty-eight days time,
But in Leap Years,
February has twenty-nine. |
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Version 31
Thirty days hath September
April, June, and November
Except the second month alone
Which has but twenty-eight, 'tis fine
'Til Leap Year makes it twenty-nine
All the rest have thirty-one
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Version 32
Thirty days hath September,
April, June and November;
all the rest have thirty one
except for February alone,
which has twenty eight each year,
twenty nine each Leap Year. |
Version 33
Thirty days hath September,
April, June, and November;
February has twenty-eight alone,
All the rest have thirty-one,
Excepting Leap-Year, that's the time
When February's days are twenty-nine. |
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Version 28
Thirty days hath September,
April, June, and November;
All the rest have thirty-one,
Excepting February alone,
Which hath but twenty-eight, in fine,
Till Leap Year gives it twenty-nine.
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Version 29
Thirty days hath November,
April, June, and September,
February hath xxviii alone,
And all the rest have xxxi.
Richard Grafton:
Chronicles of England. (1590.) |
Version 30
Thirty days hath September,
April, June and November;
All the rest have thirty-one
Save February, she alone
Hath eight days and a score
'Til Leap Year gives her one day more. |
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Version 25
30
days hath September
April, June, and November
All the rest have thirty-one
Save February
Which has 28 in fine
Till Leap Year gives it 29 |
Version 26
Thirty
days hath September,
April, June and November.
All the rest have thirty-one,
with February's 28 to make it fun.
Leap Year happening once in four,
Gives February one day more.
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Version 27
Thirty days has
September
April, June, and November.
All the rest have thirty-one,
Except February, which has
twenty-eight,
In a Leap Year, twenty-nine. |
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Version 22
Thirty
days hath September,
April, June, and November;
All the rest have thirty-one
Except February alone:
Which has twenty-eight 3 years in four,
Till Leap Year gives it just one more. |
Version 23
Thirty days has
September,
April, June and November.
All the rest have thirty-one,
except that one contrary, February,
which has twenty-eight,
most of the time,
but in Leap Year twenty-nine.
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Version 24
Thirty days hath
September,
April June and November.
When short February's done,
All the rest have thirty-one |
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Version 19
Thirty days has September,
April, June and November.
All the rest have 31
excepting February which alone has 28,
and one day more
we add to it each year in four.
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Version 20
Thirty Days hath
September,
April, June and November
To all the rest we add 31,
Except the shortest month alone,
February, which has twenty-eight,
And twenty-nine in Leap Year |
Version 21
Thirty Days are in
September,
April, June and also November
All the rest have thirty-one,
Except for February, which, when done,
Has twenty-eight that we assign
But Leap Year gives it twenty-nine |
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Version 16
30 days hath
September
April, June & November
All the rest hath 31
Except February
Which alone has 28
And 1 day more
When Leap Year comes
One year in four. |
Version 17
Thirty days have
September,
April, June and November.
All the rest have thirty-one,
Except February the only one
Which Leap Years change
each fourth time
From twenty-eight to twenty-nine.
Century 100s don’t always leap,
each 400 years that leap we keep.
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Version 18
Thirty days hath
September
April, June and November
All the rest have thirty-one
Save February, and it alone,
Has twenty-eight we do confine
Till Leap year gives it twenty nine. |
Version 13
Thirty days hath
September
April June and November
All the rest have thirty-one
But Leap Year coming once in four
February then has one day more
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Version 14
30 days in November
with April, June and September
of twenty-eight there is one
all the rest have thirty-one |
Version 15
Fourth, eleventh,
ninth, and sixth,
Thirty days to each affix,
Every other thirty-one
Except the second month alone. |
Version 10
30 days hath
September,
April, June, and November.
The rest have 31... no, wait!
February has only 28!
Except in Leap Year, that's the time,
When February's days are 29!
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Version 11
30 days (or not)
Thirty days has September
April June and November
All the rest have 31 save February
That's the real odd one |
Version 12
30 days hath
September
April June and November
all the rest have 31
except for February which alone
has 28 and 1 day more, 1 year in 4 |
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Version 7
30 days hath
September,
April, June and November;
all the rest have 31
excepting February alone,
which has 28 days clear
and 29 in each Leap Year. |
Version 8
Thirty days has
September,
April, June, and November.
Thirty-one days for all the rest,
except February has 28, which is less.
This happens three years in four
until a leap year gives it one day more.
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Version 9
30 days hath
September,
April, June, and November.
All the rest have 31,
excepting February,
that contrary son of a gun. |
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Version 4
Thirty days hath Septober,
April, June, and no wonder
All the rest have thirty one
Except Gramma
And she has a little red wagon
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Version 5
Thirty day hath
Septober
April, June, and Montana
All the rest have cold weather
Except in the summer
which ain't very often |
Version 6
Thirty days hath
Juvember,
Apples, Noon and No Wonder,
All the rest have Peanut Butter,
Except my Grandma
And she has a little red tricycle. |
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Version 1
30 days hath Septober
April June and no wonder
All the rest eat peanut butter
Except Grandma and
she rides a tricycle
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Version 2
Thirty days hath
Septober
April, June and Novober
All the rest have peanut butter
Except Grandma
and she rides a Harley Sportster |
Version 3
Thirty days hath
September,
April, June, and no wonder,
all the rest eat peanut butter
except for my Grandma...
she drives a Ford. |
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Twenty-eight days has
February
A very light load for one month to carry
The other months have 2 and 3 more
Thirty and thirty-one being their big score
In Leap Years the days they do vary
Making 29 days in February
From
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