This article about a month is currently under construction. It's likely to be a bit messy.
According to the Eleventh Doctor, July was the month of his and Clara Oswald's arrival on Trenzalore which was subsequently followed by the Siege of Trenzalore, giving the month in correction of a villager who told him it was Christmas. The villager clarified that Christmas was the name of the town which they had landed in. (TV: The Time of the Doctor)