Hi Peo
Thanks for your comments.
I am using UK regional settings.
It is now working with the commas as you have all explained, I didn't need
to change to colon separators.
Oddly I cannot recreate the problem I was having earlier.....I copy and
pasted the formula the first time.....this time I entered it manually.....and
got a result.
Thanks

"Peo Sjoblom" wrote:

Are you using US regional settings? If not you might try by replacing the
commas with semi colon since the formula should work


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Regards,

Peo Sjoblom


"Dermot" wrote in message
...
Thanks for the reply Gary
I think there is something wrong with the parenthesis with this formula as
it returns an error message.
Any further suggestions?

"Gary''s Student" wrote:

put the start date in A1, the number of weeks in B1 and the offset in C1
In D1 put:
=DATE(YEAR(A1),MONTH(A1),DAY(A1)+7*B1+C1)
and format as dd/mm/yy
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Gary''s Student - gsnu200723