Yes, all paid subscriptions automatically renew. The date you subscribe on will be the same date you are charged your renewal rate and can not be changed.
Equip monthly: Renews on the same day your subscription originally started and will be charged monthly.
Equip yearly: Renews on the month and same day your subscription originally started and will be charged annually.
How do I stop my Subscription from automatically renewing? Simply cancel it by going to "My Account" and select the X on your paid plan. It will automatically convert to a free account on your original renewal date and in the meantime you will still have full access to the content within your subscription type.