2012 Rockefeller Center Christmas Tree Lighting

DST in the USA 2016
Begin: march-13, 2016, @2 am (clocks will be advanced 1 hr).
End: November-6, 2016 @3 am.
Arizona has no DST. During summer Arizona has the same time as California, in winter it has the same time as Colorado.

DST 2016 in Western Europe: e.g. Germany, Austria, Switzerland
Begin: March-27, 2016 @2 am.
End: October-30, 2016.

DST New Zealand:
Since NZ is located in the southern hemisphere, DST is 'kind of' reversed:
2016: DST ends on 3-April and starts again on 25-September