These are for Gosport, but should be good for most of Hampshire.
The lower the figure, the brighter it will be. For example, the Christmas Eve pass at 17:20 (-2.7) will be brighter than the pass ninety minutes later at 18:57 (-0.4)
Visit Heavens Above for details!
Below is the ground track for the Christmas eve pass at 17:20. Look to the western horizon at 17:20!
Keep an eye our for Father Christmas too..