Storing Rice

Cooking rice usually takes me at least an hour, and I usually only get home at 5 in the afternoon. I also don't like eating very late in the day, so naturally cooking is a bit of a time conflict, and I'm usually trying to find ways to cut down on the time I use to cook rice. I figure cutting out rice washing would cut time in half. But is it a good idea to store rice after it's been washed and drained for a long time, or should it be used pretty soon after?
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