If I renew early, how is my K: Magazine expiry date adjusted? Knowledge Network Help January 29, 2018 18:27 Updated There is no downside to renewing early, your new expiry date will be 12 months from your previous expiry date. Related articles My Knowledge Magazine has stopped coming but I gave you a donation just a few months ago. What happened? I forgot to donate to Knowledge Network by December 31, can you backdate my tax receipt?