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Great advice. And to add on that -I've been travelling 100s of times for work and leisure (both business and economy class). Drinking plenty of water before, during and after a long flight always helped me minimizing jetlag effects.
This is good advice, and I find I am of a similar mind when I travel. Especially the wine on the plane and to sleep a bit there--if you can--and the notion of hitting the ground running. Go right out and do something, both to get your body clock in the new time groove but also to see the incredible new place you get to explore.