hmmm, a month period has 4*7 days e.g. then i can schedule on 31.3.07 a
month period which will repeat itself on 30.4.07 and again on 30.5.07 even
though may has 31 days. i dont see no other logic if you take a week period
it same a week has always 7 days. how else would it make sense. the start
You may want to look at what various databases will do for you with
date arithmetic.
E.g., You can type this in MySQL:
select date_add('2007-01-31', interval 1 month);
I'm not sure what it will answer, but you can type that. :-)
In Postgresql, it's more like:
select '1/31/2007'::date + '1
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