Does a Christmas cactus only bloom once a year in December? My Christmas cactus bloomed in December and?

then it stopped. Now it is getting little pink buds again. Is this normal for this plant? It is a large mature one that I inherited from a friend that moved last fall.
Update: Lil: Thanks for your answer. Yes about a month ago, I moved it into a room where there is not much light or heat. I went in to give it some water today and noticed the buds starting again like they did at Christmas.
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