OK I calculated for you:
current block=194160
halving nSubsidy >>= (nHeight 306600)
306600 - 194160 = 109440 block
1 block every 3 min : 328320 min remaining for halving
--> next halving the thursday 22 january 2015, with block reward 2.5
next halving after that @block 613200
hence samedi 22 october 2016, with block reward 1.25
next halving after that @block 919800
hence monday 23 july 2018, with block reward 0.625
next halving after that @block 1226400
hence wednesday 22 april 2020, with block reward 0.3125