Get the available date range from Availabe date range array and Blocked date range array

I have 2 array one of them is having Available date range based on hotel and another array is room based that is having blocked date range. In last step i want to get the only available date range from 1st array.

Available date range array

Blocked date range array

Expected Result array

i tried using get both available array and merge them but failed and also its long process as i have blocked date range stored in my DB.

via Chebli Mohamed