Every other Saturday date

Hello,
Can you please help,
I have a stored procedure that fires some emails to my clients.
Currently it runs twice a month.
if DATEPART(day,getdate()) in (6,21)  
Begin xxxxxxxxxxx

I need to change the date to make it run every other Saturday. (Starting  January 6th, 2018)
Jan 6th, Jan 20th, Feb 3rd, and so on.

Any help is greatly appreciated.
SQL2008

W
W.E.BAsked:
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Snarf0001Commented:
Just use a datediff with the "%" operator over 14 days:

*edited, should have been "= 0"

if(datediff(dd, '2018-01-06', getdate()) % 14 = 0)
begin...

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W.E.BAuthor Commented:
Thank you very much.
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Mark WillsTopic AdvisorCommented:
Good solution - well done snarf0001
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Dale FyeCommented:
Can you explain the use of the % as an operator in this statement?

I was not aware the it could be used as anything other than a wildcard in a search.
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Bill PrewCommented:
Dale, see if this helps, it's the modulo operator, and works like +, -, / arithmetic operators, but returning the remainder of a division...



»bp
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