May to December is 7 months.
Four months are between December and April.
4 months
537 months are from March 1964 to December 2008.
5 months
Four months
6 months
One: December.
59 months including both January 2009 and December 2014
There are 5 months between June and December. July, August, September, October and November.
Between March1 and December1, there are 9 months.
Five months.