If you have an annual paid monthly plan you will be able to use it only till March I suppose as the next billing period is till March 12th. Still better to cancel on 1st of March to be totally sure. I am quoting the terms of cancellation below
You can cancel your subscription anytime via your Adobe Account page or by contacting Customer Support*. If you cancel within 14 days of your initial order, you’ll be fully refunded. Should you cancel after 14 days, you’ll be charged a lump sum amount of 50% of your remaining contract obligation and your service will continue until the end of that month’s billing period.