The Astronomical New Moon is on 8th July, 2013 (Monday) at 7:14 GMT.
On July 8, it can not be seen anywhere in the world without optical aid. On Tuesday, 9th July, 2013, it can be seen in Australia, most Africa and all Americas. On 9th July, with difficulty, it can be seen in Southern India, Middle East, and Northern Africa. (See visibility curve below for 9th July).