You can manage your billing date directly from your account page.
Start by logging into your account and head over to 'My SmoothieBox'.
Once inside, you'll see your Subscription orders. Click 'Manage' under your SmoothieBox:
To change your billing date click the green arrow under 'Your Next Bill Date':
Update your billing date to the date of your choosing and click 'Update':
You're all set! Have questions or need assistance? Visit us via live chat or email us at firstname.lastname@example.org.