As per the estimates of the Fiqh Council of North America, Muharram 2014 will fall between October 25 and November 22, insha-Allaah.
The Islamic or Hijri Calendar is a lunar calendar based on moon sightings. The actual advent of each month depends upon the physical sighting of the new moon. The corresponding Gregorian dates are estimates based upon astronomical calculations, endorsed by the Fiqh Council of North America. The Gregorian dates for Hajj change from year to year.
The Islamic day begins at sunset.