um.. try 12 hour distance to Beijing? that's the worst... lunch is sleep. and breakfast is dinner... gah.i would agree a one hour time differental will do absolutely nothingWhat's all this talk about zetlag? Mabey because to Greece over the summer and i have to overcome a 7hr time difference my definition of jetlag has a differnt meaning than yours. The One hour difference between NY and IL is nothing to me. I"m sure you are going to be fine. Now the West coast and especially hawaii and alaska are going to have a bigger problem.