Even
Decades
have three Leap Years |
Odd
decades
have two Leap Years |
| 1960
1964 1968 |
1972
1976 |
| 1980
1984 1988 |
1992
1996 |
| 2000
2004 2008 |
2012
2016 |
|
Another way
to tell is by what day of the week the year
starts and
ends on. Leap Year only occurs in years
that
January 1st and December 31 fall on different days: |
|
| 2002 |
Tuesday
January 1 - Tuesday December 31 |
No |
| 2003 |
Wednesday
January 1 - Wednesday December 31 |
No |
| 2004 |
Thursday
January 1 - Friday December 31 |
Leap
Year |
| 2005 |
Saturday
January 1 - Saturday December 31 |
No |
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to top
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Think About These -
This could be an Extra Credit Question!
|
| 1 |
Leap Year Day
Babies born in 1884 had no birthday during their entire
teen-age years. Why?
Because 1900 was not a Leap Year.
In 1888 they were 4 at 1. In 1892 they were 8 at 2. In 1896 they
were 12 at 3. Since 1900 was not
a Leap Year, there were 8 years
before they could celebrate again on February 29. So, in 1904
they were 20 at 5. Not one single teenage year was celebrated ON
their birth date.
Another way to pose
the question is:
Leap Year Day Babies celebrate their birthday on their birth
date every four years. But those born
in 1884 couldn't celebrate
on their 4th birthday when they turned 16. Why?
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2 |
Leap Year Day Babies will never have a
"Golden Birthday"
A Golden Birthday is when your age matches the number of the day
of the month you were born
on. Leap Year Day Babies
will have to be 116 before they turn 29
on the 29th!
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International Date Line
Dilemma
The L O N G of
it...Longest Reported Leap Day:
Jon Hayanga Leap Year Day Baby 1960, had his birthday in
Taipei one day then crossed the international date line
going
east and had his birthday again the next day in Spokane,
WA, USA.
...and The SHORT of it Shortest Reported Leap Day:
Ed Chatfield Leap Year Day Baby 1940, crossed the date
line in a ship (going west) the night of February 28th
and
woke up on March 1st. So he lost his birthday
entirely. |
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What day of the
week does
Leap Year Day land on?
|
| Monday |
1904 |
1932 |
1960 |
1988 |
| Saturday |
1908 |
1936 |
1964 |
1992 |
| Thursday |
1912 |
1940 |
1968 |
1996 |
| Tuesday |
1916 |
1944 |
1972 |
2000 |
| Sunday |
1920 |
1948 |
1976 |
2004 |
| Friday |
1924 |
1952 |
1980 |
2008 |
| Wednesday |
1928 |
1956 |
1984 |
2012 |
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1) If Raenell
was born in 1960, but has only had 10 birthdays on her birthday,
how could she be 40 in the year 2000?
(Answer: Because 1960 was a Leap Year so Raenell must have been
born on February 29.
Note: See how it is worded? "on her birthday" - we can
only celebrate our birthday ON our birthday, in Leap Years.) |
2) If Peter
was born on February 29, 1956 and in 2004 turned 12 Leap Years
on his birthday, how many years old is Peter?
(Answer: 48. The key is 12 Leap Years vs. how many
"years" without the Leap, literally!) |
3) If Caroline
was born February 29, 2000, how many birthdays will she
celebrate, on her birthday, by 2008?
(Answer: 2) |
4) If Jim was
born February 29, 1976, how many times did he celebrate his
birthday ON his birthday, by 2005?
(Answer: 7. Seven times four is 28. In 2005 Jim would be 29.) |
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