Fix an edge condition involving timezone setting.
Fix an edge condition involving timezone setting.

andyvand/cygpcpfans,edwardt/pcp,prasincs/pcp,prasincs/pcp,tjanez/pcp,andyvand/cygpcpfans,prasincs/pcp,tjanez/pcp,edwardt/pcp,aeg-aeg/pcpfans,ryandoyle/pcp_original,aeg-aeg/pcpfans,mbaldessari/pcp,edwardt/pcp,prasincs/pcp,andyvand/cygpcpfans,adfernandes/pcp,wuliming/pcp,prasincs/pcp,wuliming/pcp,edwardt/pcp,edwardt/pcp,aeg-aeg/pcpfans,andyvand/cygpcpfans,adfernandes/pcp,andyvand/cygpcpfans,prasincs/pcp,edwardt/pcp,mbaldessari/pcp,andyvand/cygpcpfans,adfernandes/pcp,aeg-aeg/pcpfans,prasincs/pcp,adfernandes/pcp,aeg-aeg/pcpfans,mbaldessari/pcp,ryandoyle/pcp_original,adfernandes/pcp,mbaldessari/pcp,andyvand/cygpcpfans,andyvand/cygpcpfans,prasincs/pcp,ryandoyle/pcp_original,mbaldessari/pcp,aeg-aeg/pcpfans,wuliming/pcp,edwardt/pcp,adfernandes/pcp,aeg-aeg/pcpfans,ryandoyle/pcp_original,adfernandes/pcp,ryandoyle/pcp_original,wuliming/pcp,tjanez/pcp,ryandoyle/pcp_original,wuliming/pcp,wuliming/pcp,wuliming/pcp,tjanez/pcp,edwardt/pcp,tjanez/pcp,wuliming/pcp,ryandoyle/pcp_original,adfernandes/pcp,mbaldessari/pcp,tjanez/pcp,tjanez/pcp,ryandoyle/pcp_original,tjanez/pcp,aeg-aeg/pcpfans