1 in 365.242199
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1 in 365
Your chance of being born on Leap Year Day is about 1 in 1461Some explanationThere are 97 Leap Days every 400 year. So the chance that any day in all of time is a Leap Day at 1 in 1506. Most people don't live 100 years. This century has a Leap Day every 4 years, so we are in the middle of a 196 year period where the odds are much improved. You will enjoy a Leap Day once every 1461 days. This is not true if were alive before 1901, or if you expect to be alive after 2097.
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Most of the time, when a certain date falls on a certain weekday, in the following year it falls on the following weekday. But when the period between the date and the same date a year later includes the leap year date February 29, the next occurance of the date falls instead on the second weekday after the previous occurance. In 2006, Christmas fell on Monday. In 2007, Christmas fell on Tuesday. Because 2008 was a leap year, Christmas "skipped" Wednesday. In 2008, Christmas fell on Thursday. In 2009, Christmas fell on Friday. In 2010, Christmas fell on Saturday. In 2011, Christmas fell on Sunday. Because 2012 was a leap year, Christmas "skipped" Monday. In 2012, Christmas fell on Tuesday. In 2013, Christmas fell on Wednesday. In 2014, Christmas will fall on Thursday. In 2015, Christmas will fall on Friday. Because 2016 is a leap year, Christmas will "skip" Saturday. In 2016, Christmas will fall on Sunday. In 2017, Christmas will fall on Monday.