When is the 2012 Cherry Festival in Luding County, Garze Prefecture? How is the time determined each year?

The Red Cherry Festival will be held from April 20th to May 10th. A launching ceremony was held in Luding County from April 23 to 24, with theatrical performances, on-site picking and tasting of red cherries in Chuni Township, and a Luding scenery photography exhibition. During this period, relevant business activities, tourism seminars and the launching ceremony of the Luding Bridge Scenic Area to create a 4A scenic spot will also be held simultaneously. The first Cherry Festival recommends 3 routes for tourists to choose from. The first is a two-day tour: Chengdu (via Ya'an) - Erlang Mountain Forest Park - Dadu River Gorge Sightseeing Corridor - Luding County (stay) - Luding Bridge (Memorial Hall) - Tian Ba Township (Zihe Village) - Chuni Township (Jinjiba Village tastes the best cherries in the canyon) - Chengdu. The second is a three-day tour: Chengdu - Luding Erlang Mountain Forest Park - Dadu River Gorge Sightseeing Corridor - Luding Bridge (Su Luding) - Tianba Township (Zihe Village) - Juni Township (Jinjiba Village) - Dewei Township —Hailuogou (accommodation)—Chengdu. The third is a four-day tour: Chengdu - Luding Erlang Mountain Forest Park - Dadu River Gorge Sightseeing Corridor - Lengqi Ancient Town - Dewei Township - Juni Township (Jinjiba Village) - Tianba Township (Zihe Village) - Luding County (Su )—Luding Bridge—Mugecuo—Paoma Mountain Scenic Area (stay in Kangding City)—(from Yumo Road)—Hailuogou (stay)—Chengdu.