Dato mitchmatch

I have a mitchmatch regarding dates in YOP Poll setting window and whats showing up on my wordpress site.

I’m using YOP Poll Pro version 5.2

See Picture 0
Poll Start Date: 12-01-2015 21:00:00
Poll End Date: 13-01-2015 16:00:00
Correct date and time:
https://www.dropbox.com/s/3j8u04pk76kqv2v/Picture_0.jpg?dl=0

See Picture 1
Wrong date and time:
Poll Start Date: 01-12-2015 21:00:00
Poll End Date: 09-12-2014 14:22:53
https://www.dropbox.com/s/hvitrlvprpusajj/Picture_1.jpg?dl=0

See Picture 2
Wrong date and time:
Poll Start Date: 01-12-2015 21:00:00
Poll End Date: 09-12-2014 14:22:19
https://www.dropbox.com/s/xqkm3szk4g4uezc/Picture_2.jpg?dl=0

Please help me to find a solution.

Kind regards,
Helge

https://ww.wp.xz.cn/plugins/yop-poll/