http://elderscrolls.wikia.com/wiki/Sun%27s_Dusk
FYI, the very first day of Skyrim is like the 12th of Last Seed I think (just start the game and pause to see date).
For me, it has been about 3 and a half months!! The cool thing is that i am roleplaying so i don't skip days, i play them like i would live them.
Discuss.

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