Yes, except for Silver membership which has no expiration, for members who upgraded to Platinum or Diamond from January to February of the current year, the expiration date is the end of the following February; for members who upgraded to Platinum or Diamond starting from March of the current year, the expiration date is the end of the subsequent February. The promotion timing is subject to the system. (Membership duration ranges from a minimum of 1 year to a maximum of 2 years.)