Unix Timestamp: 1356912000
Monday, December 31. 2012, 12:00:00 AM UTC

The Kars–Tbilisi–Baku railway across the Caucasus is scheduled to be completed sometime in 2012."National Geographic", August 2010, page 62.

"Pleiades", a proposed supercomputer built by Intel and SGI for NASA's Ames Research Center, will be completed, reaching a peak performance of 10 Petaflops (10 quadrillion floating point operations per second).

The first commitment period of the Kyoto Protocol ends.{{cite journal

"Sequoia", a proposed super computer built by IBM for the National Nuclear Security Administration will be completed, reaching a peak performance of 20 Petaflops.

On the Sun, the solar maximum of Solar Cycle 24 in the 11-year sunspot cycle is forecast to occur. Solar Cycle 24 is regarded to have commenced January 2008, and on average will reach its peak of maximal sunspot activity around 2012.