It was over 6 months for me because I had to get Joey neutered first, but you have a year. Here's the fee schedule it goes from $30.00 to $65.00 if you wait longer than a year, and over 24 months, it's $95.00
https://www.akc.org/reg/fee_schedule.cfm Also, you can register online.
https://www.apps.akc.org/dogreg/index.cfm