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Convert No. of days to year and month.

Hi Experts,

I have a scenario where i need to calculate No. of years and No. of months between 2 dates.

I have calculated no of days between 2 dates using this conversion.


For eg. Suppose no of days is 765 then in YEAR column 2 should be mapped and in MONTH column 1 should be mapped.

No. of Days Year Month

765 2 1

For Year i have used this:


Please help me with Month Column.


Neha Khetan

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2 Answers

  • Posted on Mar 14, 2014 at 06:16 AM

    Hi Neha,

    try this,

    for no of years ---- date_diff('2011.09.12','2013.06.26','YY')

    for no of months -----date_diff('2011.09.12','2013.06.26','MM')%12

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  • Posted on Mar 14, 2014 at 06:27 AM

    Hi Neha,

    I would recommend you to use datatype as decimal(10,2) instead of INT to calculate the exact Years and months for given no. of days.

    For YEAR you can use below code:


    For MONTH you can use below code:


    If you take a date 29-04-2009 as an example then above code shall give the following result.

    DAYS: 1780
    YEAR: 4.87
    MONTH: 58.52

    Hope this is what you are looking for.

    Regards !

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