I want to create opportunity objects on a scheduled basis. I want to have a scheduled process run every night and based on a date listed on the account, I want this process to create an opportunity for that account. Can someone help me determine what the best way to do this is?

I want to create opportunity objects on a scheduled basis. I want to have a scheduled process run every night and based on a date listed on the account, I want this process to create an opportunity for that account. Can someone help me determine what the best way to do this is?