It will dry just fine without a bake. All the bake does is speed up the chemical reaction between the clear and hardner. I have buffed on paint the next day without baking. I have been told it takes about a year for ALL the reducer to be out of a paint job but that doesnt mean it is not cured enough to buff or drive.
Once you cut it with 1000 or 1500, or whatever grit you start with, put the car in the sun for several hours. The extra surface area from the sanding scratches will help speed up curing.
As said, you can cut and buff it the next day, but I personally wouldn't wait any longer than 48 hours after it's been cleared. As far as curing, up to 6 months for it to fully cure.
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