# List of ISO week numbers between 2 dates

#### willow1985

##### Well-known Member
Hello,

I need help with a formula that will give me a list of the ISO week numbers between 2 dates.

Customer Part Analysis Dashboard.xlsm
ABCD
1Todays date2021-03-18Week Number List
2Year Selected202153
3Input Date Range44197442271
42
53
64
Graph Data
Cell Formulas
RangeFormula
B1B1=TODAY()

Thank you to anyone who can help!

Note: The 2 dates are linked cells from a combo box so they come through in that format - as a value, but my other formulas compensate for the format so I need the Week number formula to be able to do the same.

#### willow1985

##### Well-known Member
You're welcome & thanks for the feedback.
Looks like my update affected more than I thought. As soon as I refreshed the combo box, the dates came through on the linked cells completely different so the formula broke.

Customer Part Analysis Dashboard.xlsm
ABCD
1Today's date2021-03-18Week Number List
2Year Selected2021#VALUE!
3Input Date RangeMarch 1,2021March 31,2021#VALUE!
4#VALUE!
5#VALUE!
6#VALUE!
7#VALUE!
8#VALUE!
9#VALUE!
10#VALUE!
11#VALUE!
12#VALUE!
Graph Data
Cell Formulas
RangeFormula
B1B1=TODAY()
D2:D12D2=IF(VALUE(\$B\$3)+ROWS(D\$2:D2)*7-7>VALUE(\$C\$3),"",ISOWEEKNUM(VALUE(\$B\$3)+ROWS(D\$2:D2)*7-7))

### Excel Facts

Author John Walkenbach was Mr Spreadsheet until his retirement in June 2019.

#### willow1985

##### Well-known Member
On the combo box there is a VBA formula to convert the number date to something the user can read instead of 44197 for example.

VBA Code:
``````Private Sub Date_End_Click()
ActiveSheet.Date_End.Value = Format(ActiveSheet.Date_End.Value, "mmmm d,yyyy")
End Sub``````

However when I link the combo box result to a cell I get a value a formula cannot recognize. I don't know how to resolve this....Should I make a new post or is this a quick fix?

#### willow1985

##### Well-known Member
I will do a new post. Thank you

#### Fluff

##### MrExcel MVP, Moderator
No need, just use
VBA Code:
``````Private Sub Date_End_Click()
ActiveSheet.Date_End.Value = Format(ActiveSheet.Date_End.Value, "mmmm d,yyyy")
Range("c3") = CDate(Me.Date_End)
End Sub``````

#### willow1985

##### Well-known Member

No need, just use
VBA Code:
``````Private Sub Date_End_Click()
ActiveSheet.Date_End.Value = Format(ActiveSheet.Date_End.Value, "mmmm d,yyyy")
Range("c3") = CDate(Me.Date_End)
End Sub``````
Didn't fix the issue. I switched to the standard combo box but still cannot get the linked cell to display properly. I made a new post.
I hope I can figure this out as my whole sheet relies on the combo box input for dates.

#### willow1985

##### Well-known Member

I honestly don't know which combo box to use as both are not working. The formula you gave me above does work for the linked cell but the combo box itself went back to a number (44197) so no idea what to do

Also the formulas you gave me for the week numbers are not stopping at 4 again with the new date formats.

#### Fluff

##### MrExcel MVP, Moderator
the formulas you gave me for the week numbers are not stopping at 4 again with the new date formats.
That's probably because your "dates " are in fact text

#### willow1985

##### Well-known Member
I got everything working minus the combo boxes displaying Month day year instead of a number. Not sure how to fix that as the code you gave me successfully converts the linked cell but in doing so changes what is displayed in the combo box (Active X combo box)

VBA Code:
``````Private Sub Date_End_Click()
ActiveSheet.Date_End.Value = Format(ActiveSheet.Date_End.Value, "mmmm d,yyyy")
Range("c3") = CDate(Me.Date_End)
End Sub``````

I don't know how to make the formulas that the combo box is using as it's list recognized as dates instead of text however...

#### Fluff

##### MrExcel MVP, Moderator
As you have already started a new thread for this part, you need to stick to it. Thanks

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