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Hello everyone, I have no ideas on how to resolve this problem ! 

 

Valentine's Day ( February 14th ) fell on a tuesday in 2006. On what day of the week will Valentine 's day fall in 2020 ??? 

 

Does someone can explain me how to answer this ? 

 

Thank you, 

Best, Thalys ! 

 Oct 1, 2015

Best Answer 

 #1
avatar+128578 
+10

The day advances one day for each non-leap year  and two days for each leap year

 

There are 14 Valentine's Days that occur between 2006 and 2020

There are 3 leap years in this period 2008, 2012 and 2016, and 11 non-leap years

 

So the number of days that advance  = 3(2) + 11(1)  = 17 days

 

So....Valentine's Day will fall on Friday in 2020

 

You can check this here :   http://www.apples4theteacher.com/holidays/valentines-day/when-is-valentines-day.html

 

 

 

cool cool cool

 Oct 1, 2015
 #1
avatar+128578 
+10
Best Answer

The day advances one day for each non-leap year  and two days for each leap year

 

There are 14 Valentine's Days that occur between 2006 and 2020

There are 3 leap years in this period 2008, 2012 and 2016, and 11 non-leap years

 

So the number of days that advance  = 3(2) + 11(1)  = 17 days

 

So....Valentine's Day will fall on Friday in 2020

 

You can check this here :   http://www.apples4theteacher.com/holidays/valentines-day/when-is-valentines-day.html

 

 

 

cool cool cool

CPhill Oct 1, 2015

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