The most interesting astronomy events in 2012 night sky:
January 3/4 – Quadrantids Meteor Shower.
The beggining of March – rare possibility to observe all 5 main planets during one night.
March 3 - Mars at Opposition.
March 14 - Venus and Jupiter Conjunction (3º).
March 20 – The March equinox occurs at 05:14 UTC.
March 31 – Earth hour – more than 5,200 cities in 135 countries worldwide will switch off their lights.
April 3 - Venus near stars cluster Pleiades.
April 15 - Saturn at Opposition.
April 21/22 - Lyrids Meteor Shower.
May 5/ 6 - Eta Aquarids Meteor Shower.
May 20 – Annular Solar Eclipse. It will be visible in southern China, Japan, the northern Pacific Ocean, and western United States.
June 4 - Partial Lunar Eclipse. It will be visible in Asia, Australia, the Pacific Ocean, and the Americas.
June 5 (6) - Transit of planet Venus Across the Sun. It will be entirely visible in eastern Asia, eastern Australia, and Alaska.
June 20 – The June solstice occurs at 23:09 UTC.
July 28/29 - Southern Delta Aquarids Meteor Shower.
August 12/13 – Perseids Meteor Shower.
August 24 - Neptune at Opposition.
September 22 - September Equinox
September 29 - Uranus at Opposition.
October 3 – Mars and Regulus Conjunction (1º).
October 21/ 22 - Orionids Meteor Shower.
November 13 - Total Solar Eclipse, visible in northern Australia and the southern Pacific Ocean.
November 17/18 - Leonids Meteor Shower.
November 27 – Venus and Saturn Conjunction (1º).
November 28 – Penumbral Lunar Eclipse.
December 3 - Jupiter at Opposition
December 13/ 14 – Geminids Meteor Shower.
December 21 – The December solstice occurs 11:12 UTC