DAY_DELTA = time1 - time2
The formula takes into account the difference of one week from Sunday to Monday.
There is a 6-week gap between 1 April 2022 and 11 May 2022.
There is a 10 week gap between 5 April 2022 and 16 June 2022.
There is a 19-week gap between 8 February 2022 and 23 June 2022.
A week is counted from Sunday to Monday.