Robert Haas <robertmh...@gmail.com> writes: > You could consider something along the lines of:
> This form specifies a transition that always happens during the same > month and on the same day of the week. m identifies the month, from 1 > to 12. n specifies the n'th occurrence of the day number identified by > d. n is a value between 1 and 4, or 5 meaning the last occurrence of > that weekday in the month (which could be the fourth or the fifth). d > is a value between 0 and 6, with 0 indicating Sunday. Adopted with some minor tweaks. Thanks for the suggestion! regards, tom lane