Halloween's day, or the vigil of All Saints Day in the catholic faith, in the year of 2011 is Monday 31st of October.

For Halloween costume ideas, you can check the following sites:
www.funnfrolic.co.uk/halloween-costumes/
www.halloweenishere.com/costume_ideas.html

For Halloween recipes, you can check:
www.bbcgoodfood.com/content/recipes/occasions/halloween/
www.bbc.co.uk/food/occasions/halloween