[Advaita-l] Maha Shivaratri 2016 date?

[S Jayanarayanan]

 What is the exact date of Maha Shivaratri in 2016? I'm particularly interested in the location of California, USA.
 
These websites say it is 6th March:
 
Drik Panchang:
 
http://www.drikpanchang.com/festivals/maha-shivaratri/maha-shivaratri-date-time.html
 
Livermore Temple, California:
 
http://www.livermoretemple.org/hints/
( or http://www.livermoretemple.org/hints/content/html/2015/maha-shivarathri.pdf )
 
Himalayan Academy Panchangam for Santa Clara, California:
 
http://www.minimela.com/panchangam/2015-2016/usa/santa_clara_ca.pdf
 
 
These say 7th March:
 
http://www.mahashivratri.org/
 
http://www.rudraksha-ratna.com/mahashivaratri.html
 
VVGC Temple, California:
 
http://vvgc.org/new/display.php?month=March2016