Week Numbers of the Year

[jhoney]

it's most likely a mathematical format and apply it with the instructions of the database you are using

[jhoney]

that's great to hear from your experience with ddh

[Timmy898]

This has been talked about before, so simply scan for "Seven day stretch of Year" and you will locate an exceptionally muddled answer and a straightforward, however not all that exact an answer.

[dougshem]

Thank you, I couldn't solve my problem but with this explanation I managed to fix

[dougshem]

thank you, I known now