The dates for the Hajj this year are Dec 18-21.
There's a range of dates where entry is allowed into the country, though, and many pilgrims might already be there -- although presumably they're going to be staying until Dec 21 or later:
Dates of Arrival and Departure for Hajj 2007
Below are the official arrival and departure dates, issued by the Ministry of Hajj, for Hajj 2007
First day of arrival in the Kingdom for pilgrims is 1/11/1428 H (11th November, 2007).
Last date for arrival of pilgrims in the Kingdom by air, at the King Abdulaziz International Airport, Jeddah, or at the Prince Muhammad bin Abdulaziz International Airport, Madinah is 4/12/1428 H (14th December, 2007)....
Final date for departure (return trip) is 15/1/1429 H (24th January, 2008).
There's a range of dates where entry is allowed into the country, though, and many pilgrims might already be there -- although presumably they're going to be staying until Dec 21 or later:
Dates of Arrival and Departure for Hajj 2007
Below are the official arrival and departure dates, issued by the Ministry of Hajj, for Hajj 2007
First day of arrival in the Kingdom for pilgrims is 1/11/1428 H (11th November, 2007).
Last date for arrival of pilgrims in the Kingdom by air, at the King Abdulaziz International Airport, Jeddah, or at the Prince Muhammad bin Abdulaziz International Airport, Madinah is 4/12/1428 H (14th December, 2007)....
Final date for departure (return trip) is 15/1/1429 H (24th January, 2008).