how to find missing dates in month in SQL

Question

Hi all,

 

I have one column and that column contain 2 years dates . this column contain like every day data.

column example data: 2018-07-23 05:00:00.000

                                    2018-07-24 05:00:00.000

                                    2018-07-26 05:00:00.000

                                    2018-07-28 05:00:00.000                                   

                                 2017-07-23 05:00:00.000

                                 2017-07-24 05:00:00.000

                                 2017-07-26 05:00:00.000

                                 2017-07-28 05:00:00.000

 etc for 3rd year also

 

like wise 3 years data. now i wanted to get missing dates from above data.

example:in 2018 i have 23 ,24 26,28 days data but 

my query should return these 25 and 28 two dates like wise missing all 3 years months dates

 

could any one help on this?