Subscription charges happen on your renewal date, which is based on the date you started your membership and the subscription plan you picked.
If you sign up for a Monthly subscription on the 1st of January, then we charge you again on the 1st of February, the 1st of March, and so on, until you cancel.
If you sign up for a Yearly subscription on the 1st of January, then we charge you again on the 1st of January every year until you cancel.
Charges happen between 12:00am and 1:00am (UTC).
Worth noting: if you sign up for a Monthly membership on the 31st of January, for example, we'll need to charge you on the 28th of February, because there is no 31st of February.