World Holy Name Festival 2010 is from September 17 – October 2, 2010.
You can view the schedule online here as a google doc calender:
Of course, you are free to chant 24 hours a day during the entire festival! Kirtaniya Sada Harih!
(10 AM to 10 PM)
Appearance of Jiva Goswami
Appearance of Lord Vamanadeva
Appearance Day of Srila Bhaktivinoda Thakura
Disappearance Day of Namacharya Srila Haridas Thakur
1. Begin Japathon
2. Global Prayer at 12 PM (noon) GMT
Full Moon, Autumn begins
3rd month of Chaturmasya
Japathon 12-hour Kirtan
Srila Prabhupada's Arrival to the West