[원문] - http://www.chrishardy.co.uk/asp/tutorials/dateadd.asp

<%
  sDate = Now()
  sNewDate = DateAdd("m", 1, sDate)
  sMonthNext = Monthname(Month(sNewDate))
%>

s - Second
n - Minute
h - Hour
d - Day
y - Day of year
w - Weekday
ww - Week of year
m - Month
q - Quarter
yyyy - Year