Description of problem: By default the d3 xaxis uses US formats for date/time display. Change this to work via: StackOverflow: http://stackoverflow.com/a/15654890/100957
Also do this for Availability x-axis as well.
Committed to master: c941bf3
Bulk closing now that 4.10 is out. If you think an issue is not resolved, please open a new BZ and link to the existing one.