iqamah time adjustments

would it be possible to adjust each prayer to fixed iqamah only on one page or section of the page and the table assumes everything after that date is the new set time.

for example if I change jumah iqamah on 4/1 to 2PM the table is automatically updated to assume all dates after 4/1 have 2PM iqamah until I make a change again. Just a suggestion