You can always check when your account is expiring at the very top of your landing page!
The date listed is very Cinderalla-style. In other words, your account will close once the clock rolls around to midnight. So, for example if your account ends on 1/1/2019, your last day of use is 12/31/2018 until 11:59.
Want more time? You can either extend your account in the upgrade section or ask us about eligibility and prices for further extending your account.