Adding your own information for any state calendar date is easy. When you order give us the dates and info you want to add and we will do it for you and email you a proof for approval. Pricing is as follow: 1-20 add $1.25 each block, 21-40 add $1.00 each block, 40-60 add .75 each block, 61 and up add .35 each block. Make any regular calendar a custom calendar.