Problem with DST timings.

Problem with DST timings.

Hi,

   I have problem with jquery weekly calendar,if I select availability in the calendar for 03/09 and 02/11 (as per DST standards  03/09 and 02/11 has 23 hours  )dates not getting availability for 24 hours,getting availability for 23 hours.so how can I avoid this problem.please help me.

Thanks in advance.

Thanks & Regards,
Nani.