Visibility of the crescent moon in 2013

Please note: All visibility estimates assume that viewing conditions are ideal, with clear skies and minimal dust and other sources of scattered light, and with a clear western horizon.

New moon of January 11, 21:44 SAST
Visibility 12 Jan. :
 North, central and parts of South America. North west Africa and western Europe. May be visible under perfect atmospheric conditions in eastern Europe, central Africa and India.
Visibility 13 Jan. :
 Worldwide except the extreme polar regions.
First possible sighting in South Africa:
 January 13

New moon of February 10, 09:20 SAST
Visibility 10 Feb. :
 The northern Pacific and western USA and Canada. May be visible with optical aid from the eastern US, Canada and Mexico.
Visibility 11 Feb. : 
Worldwide except the southern parts of South America, New Zealand and and most of Australia.
First possible sighting in South Africa:
 February 11

New moon of March 11, 21:51 SAST
Visibility 11 Mar:
 Nowhere.
Visibility 12 Mar. :
 Central and North America, northern parts of South America. Europe and northern Africa. 
Visibility 13 Mar. :
 Worldwide except for Antarctica, southern New Zealand and the extreme North.
First possible sighting in South Africa:
 March 13

New moon of April 10, 11:35 SAST
Visibility 10 Apr. :
 Small region in the Pacific ocean east of the international date line.  May be visible with an optical aid over a larger Pacific region.
Visibility 11 Apr. : 
Worldwide except the southern parts of South America, Australia, and New Zealand. May be visible with optical aid from southern South Africa.
First possible sighting in South Africa:
 April 11

New moon of May 10, 02:28 SAST
Visibility 10 May:
 The Pacific, South western North America, Central America and northern South America. May be visible with optical aid from the eastern US, northern Brazil, Peru and Bolivia.
Visibility 11 May:
 Worldwide except  for New Zealand, Antarctica and the extreme North.
First possible sighting in South Africa:
 May 11

New moon of June 8, 17:56 SAST
Visibility 8 June:
 Nowhere.
Visibility 9 June:
 United States, Central and South America, most of Africa. May be visible with optical aid in North Africa and parts of the Middle East.
Visibility 10 June:
 Worldwide except for Antarctica and the extreme North.
First possible sighting in South Africa: June 9

New moon of July 8, 09:14 SAST
Visibility 8 July:
 The Pacific east of international date line. 
Visibility 9 July:
 Most of the US, South and Central America. Also visible in Africa, southern India, Indonesia and Australasia.
Visibility 10 July:
 Worldwide except for Antartica and the extreme North.
First possible sighting in South Africa:
 July 9

New moon of August 6, 23:51 SAST
Visibility 6 Aug.:
 Nowhere.
Visibility 7 Aug. :
 The southern Pacific, South America and the southern Atlantic ocean. May be visible with optical aid in southern Africa.
Visibility 8 Aug.: 
Worldwide apart from the Antarctic, Canada and Alaska, northern Europe and northern Asia.
First possible sighting in South Africa:
 August 7

New moon of September 5, 13:36 SAST
Visibility 5 Sep.:
 Nowhere
Visibility 6 Sep. :
 Southern North America, Central and South America. Visible over most of Africa and Australia.  May be visible with optical aid from northern Africa, Southern India, Indonesia and New Zealand.
Visibility 7 Sep.:
 Worldwide except Antartica and northern parts of North America, northern Europe and northern Asia.
First possible sighting in South Africa:
 September 6

New moon of October 5, 02:35 SAST
Visibility 5 Oct. :
 The Pacific Ocean and South America.
Visibility 6 Oct. :
 Most of North America, Central and South America, Africa, Southern Europe, Australia and New Zealand, Southern Asia.
Visibility 7 Oct.:
 Worldwide except the polar regions.
First possible sighting in South Africa:
 October 6

New moon of November 3, 14:50 SAST
Visibility 3 Nov. :
 Visible with optical aid over a small region of the Pacific east of the international date line.
Visibility 4 Nov. : 
United States, Central and South America. Southern Europe, Africa, Southern Asia and Australia. May be visible with optical aid in parts of northern Europe.
Visibility 5 Nov.:
 Worldwide except the polar regions.
First possible sighting in South Africa:
 November 4

New moon of December 3, 02:22 SAST
Visibility 3 Dec. : 
Most of North America, Central and most of South America, West Africa. May be visible with optical aid in central Africa and Spain.
Visibility 4 Dec. : 
Worldwide apart from the most northerly and southerly latitudes.
First possible sighting in South Africa: 
December 4