This is what I found in the NY consulate.....
"...1) Pick-up option - Permanent resident visa(s) are issued on Thursdays only (except US/Canadian holidays).
Applicants who choose this option should bring their original passport(s) on Thursday only between 8:30 a.m. to 10:30 a.m. and passport(s) may picked-up the following Thursday between 1:30 - 3:00 p.m...."
http://www.canadainternational.gc.ca/new_york/imm/general_info-rens_generaux.aspx?lang=eng&menu_id=206&menu=L
"...1) Pick-up option - Permanent resident visa(s) are issued on Thursdays only (except US/Canadian holidays).
Applicants who choose this option should bring their original passport(s) on Thursday only between 8:30 a.m. to 10:30 a.m. and passport(s) may picked-up the following Thursday between 1:30 - 3:00 p.m...."
http://www.canadainternational.gc.ca/new_york/imm/general_info-rens_generaux.aspx?lang=eng&menu_id=206&menu=L