what does the trial_ends_on field say? the trial starts when the charge is accepted and activated

#1 the same RecurringApplicationCharge will remain as billing-cycles come and go. You don't need to create new ones. The activated_on field will have the same value since it just represents the date that you activated the charge that the user accepte...

I just check the "trial_ends_on"=>"2021-01-01",field in the RecurringApplicationCharge response object. I believe it is set when the charge is activated