When Does the Novel "Metal Gear Solid: Guns of the Patriots" (2008) Take Place?

"Metal Gear Solid: Guns of the Patriots" is a spy science fiction novel written by Satoshi Itō [adapting "Metal Gear Solid 4: Guns of the Patriots" (2008) by Hideo Kojima with Shuyo Murata] that released June 13th, 2008. So when is "Guns of the Patriots" set? 


It takes place on an alternate timeline of the fictional Metal Gear universe in the year: 

2014? AD 

We know this because .