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The following diagrams show the global visibility of the new crescent Moon over the first three days of the lunation. These diagrams are based on the current model for predicting the visibility of the crescent moon using the Yallop criterion described in HMNAO Technical Note No. 69.

Within the area of purple diagonal striping (if shown), the new crescent moon cannot be seen as the instant of new moon has not yet occurred. The moon sets before the Sun within the area of the peach-coloured shading (if shown). The unshaded area, F, indicates the region from which the new crescent moon cannot be seen — the thickness of the crescent is too thin to be seen i.e. it is beyond the Danjon limit. In the dark blue shaded area, E, the new crescent moon is not visible with a telescope and in the pale blue shaded area, D, optical aid of some sort will be needed to see the new crescent moon. In the pale yellow coloured area, C, you may need optical aid of some sort to find the new crescent moon initially. In the yellow shaded area, B, the new crescent moon should be visible under excellent atmospheric conditions with the naked eye and finally, in the red shaded area, A, the new crescent moon should be easily visible with the naked eye.

The near vertical curved lines labelled 0, 2, 4, 6 etc., show the age of the moon in hours at the "best time" of observation, defined in HMNAO Technical Note No. 69 as 4/9 of the time difference between sunset and moonset or the time of sunset plus 4/9 of the "lag time". The instant of new moon is given below the diagram. The age of the moon at its first visibility with a telescope and also with the naked eye are given below the diagram where appropriate. A key describing the annotation and shading is given beneath each diagram.

The following diagram shows the visibility of the new crescent Moon on 2019 October 28.
Global lunar visibility map for 2019 October 28
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The second diagram is for 2019 October 29 and exhibits more shaded regions than those found in the map for 2019 October 28. Consequently, a larger fraction of the surface of the Earth will be able to observe the crescent Moon with ease.
Global lunar visibility map for 2019 October 29
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The third diagram is for 2019 October 30 and is almost totally shaded in red. The majority of the Earth will be able to observe the crescent Moon with ease. Those regions outside the red zone will have to wait until the following day to make their sightings.
Global lunar visibility map for 2019 October 30
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Go to the top of this page
Global Visibility Maps for previous months
Several requests have been received suggesting that we make available the global visibility maps for previous new crescent moons. The following table contains links to the visibility maps (in pdf format) for the first three days of each lunation from January 1990 to the latest new moon. You will see a thumbnail of the visibility map if you move your cursor over the links. Clicking on a specific link will bring up a pdf version of the relevant visibility map. You may need to do a "rotate clockwise" on it to re-orientate the pdf file horizontally.

Links following a in the table below indicate dates on which Ramadan may start i.e. a naked-eye sighting of the new crescent moon may be possible under excellent conditions. Similarly, links following a indicate dates on which Ramadan may end.
  Year  
 
Lunation
Number
Date of
New Moon
Date of New
Moon +1 day
Date of New
Moon +2 days
19908301990 January 26 1990 January 27 1990 January 28
 8311990 February 25 1990 February 26 1990 February 27
 8321990 March 26 1990 March 27 1990 March 28
 8331990 April 25 1990 April 26 1990 April 27
 8341990 May 24 1990 May 25 1990 May 26
 8351990 June 22 1990 June 23 1990 June 24
 8361990 July 22 1990 July 23 1990 July 24
 8371990 August 20 1990 August 21 1990 August 22
 8381990 September 19 1990 September 20 1990 September 21
 8391990 October 18 1990 October 19 1990 October 20
 8401990 November 17 1990 November 18 1990 November 19
 8411990 December 17 1990 December 18 1990 December 19
 
19918421991 January 15 1991 January 16 1991 January 17
 8431991 February 14 1991 February 15 1991 February 16
 8441991 March 16 1991 March 17 1991 March 18
 8451991 April 14 1991 April 15 1991 April 16
 8461991 May 14 1991 May 15 1991 May 16
 8471991 June 12 1991 June 13 1991 June 14
 8481991 July 11 1991 July 12 1991 July 13
 8491991 August 10 1991 August 11 1991 August 12
 8501991 September 08 1991 September 09 1991 September 10
 8511991 October 07 1991 October 08 1991 October 09
 8521991 November 06 1991 November 07 1991 November 08
 8531991 December 06 1991 December 07 1991 December 08
 
19928541992 January 04 1992 January 05 1992 January 06
 8551992 February 03 1992 February 04 1992 February 05
 8561992 March 04 1992 March 05 1992 March 06
 8571992 April 03 1992 April 04 1992 April 05
 8581992 May 02 1992 May 03 1992 May 04
 8591992 June 01 1992 June 02 1992 June 03
 8601992 June 30 1992 July 01 1992 July 02
 8611992 July 29 1992 July 30 1992 July 31
 8621992 August 28 1992 August 29 1992 August 30
 8631992 September 26 1992 September 27 1992 September 28
 8641992 October 25 1992 October 26 1992 October 27
 8651992 November 24 1992 November 25 1992 November 26
 8661992 December 24 1992 December 25 1992 December 26
 
19938671993 January 22 1993 January 23 1993 January 24
 8681993 February 21 1993 February 22 1993 February 23
 8691993 March 23 1993 March 24 1993 March 25
 8701993 April 21 1993 April 22 1993 April 23
 8711993 May 21 1993 May 22 1993 May 23
 8721993 June 20 1993 June 21 1993 June 22
 8731993 July 19 1993 July 20 1993 July 21
 8741993 August 17 1993 August 18 1993 August 19
 8751993 September 16 1993 September 17 1993 September 18
 8761993 October 15 1993 October 16 1993 October 17
 8771993 November 13 1993 November 14 1993 November 15
 8781993 December 13 1993 December 14 1993 December 15
 
19948791994 January 11 1994 January 12 1994 January 13
 8801994 February 10 1994 February 11 1994 February 12
 8811994 March 12 1994 March 13 1994 March 14
 8821994 April 11 1994 April 12 1994 April 13
 8831994 May 10 1994 May 11 1994 May 12
 8841994 June 09 1994 June 10 1994 June 11
 8851994 July 08 1994 July 09 1994 July 10
 8861994 August 07 1994 August 08 1994 August 09
 8871994 September 05 1994 September 06 1994 September 07
 8881994 October 05 1994 October 06 1994 October 07
 8891994 November 03 1994 November 04 1994 November 05
 8901994 December 02 1994 December 03 1994 December 04
 
19958911995 January 01 1995 January 02 1995 January 03
 8921995 January 30 1995 January 31 1995 February 01
 8931995 March 01 1995 March 02 1995 March 03
 8941995 March 31 1995 April 01 1995 April 02
 8951995 April 29 1995 April 30 1995 May 01
 8961995 May 29 1995 May 30 1995 May 31
 8971995 June 28 1995 June 29 1995 June 30
 8981995 July 27 1995 July 28 1995 July 29
 8991995 August 26 1995 August 27 1995 August 28
 9001995 September 24 1995 September 25 1995 September 26
 9011995 October 24 1995 October 25 1995 October 26
 9021995 November 22 1995 November 23 1995 November 24
 9031995 December 22 1995 December 23 1995 December 24
 
19969041996 January 20 1996 January 21 1996 January 22
 9051996 February 18 1996 February 19 1996 February 20
 9061996 March 19 1996 March 20 1996 March 21
 9071996 April 17 1996 April 18 1996 April 19
 9081996 May 17 1996 May 18 1996 May 19
 9091996 June 16 1996 June 17 1996 June 18
 9101996 July 15 1996 July 16 1996 July 17
 9111996 August 14 1996 August 15 1996 August 16
 9121996 September 12 1996 September 13 1996 September 14
 9131996 October 12 1996 October 13 1996 October 14
 9141996 November 11 1996 November 12 1996 November 13
 9151996 December 10 1996 December 11 1996 December 12
 
19979161997 January 09 1997 January 10 1997 January 11
 9171997 February 07 1997 February 08 1997 February 09
 9181997 March 09 1997 March 10 1997 March 11
 9191997 April 07 1997 April 08 1997 April 09
 9201997 May 06 1997 May 07 1997 May 08
 9211997 June 05 1997 June 06 1997 June 07
 9221997 July 04 1997 July 05 1997 July 06
 9231997 August 03 1997 August 04 1997 August 05
 9241997 September 01 1997 September 02 1997 September 03
 9251997 October 01 1997 October 02 1997 October 03
 9261997 October 31 1997 November 01 1997 November 02
 9271997 November 30 1997 December 01 1997 December 02
 9281997 December 29 1997 December 30 1997 December 31
 
19989291998 January 28 1998 January 29 1998 January 30
 9301998 February 26 1998 February 27 1998 February 28
 9311998 March 28 1998 March 29 1998 March 30
 9321998 April 26 1998 April 27 1998 April 28
 9331998 May 25 1998 May 26 1998 May 27
 9341998 June 24 1998 June 25 1998 June 26
 9351998 July 23 1998 July 24 1998 July 25
 9361998 August 22 1998 August 23 1998 August 24
 9371998 September 20 1998 September 21 1998 September 22
 9381998 October 20 1998 October 21 1998 October 22
 9391998 November 19 1998 November 20 1998 November 21
 9401998 December 18 1998 December 19 1998 December 20
 
19999411999 January 17 1999 January 18 1999 January 19
 9421999 February 16 1999 February 17 1999 February 18
 9431999 March 17 1999 March 18 1999 March 19
 9441999 April 16 1999 April 17 1999 April 18
 9451999 May 15 1999 May 16 1999 May 17
 9461999 June 13 1999 June 14 1999 June 15
 9471999 July 13 1999 July 14 1999 July 15
 9481999 August 11 1999 August 12 1999 August 13
 9491999 September 09 1999 September 10 1999 September 11
 9501999 October 09 1999 October 10 1999 October 11
 9511999 November 08 1999 November 09 1999 November 10
 9521999 December 07 1999 December 08 1999 December 09
 
20009532000 January 06 2000 January 07 2000 January 08
 9542000 February 05 2000 February 06 2000 February 07
 9552000 March 06 2000 March 07 2000 March 08
 9562000 April 04 2000 April 05 2000 April 06
 9572000 May 04 2000 May 05 2000 May 06
 9582000 June 02 2000 June 03 2000 June 04
 9592000 July 01 2000 July 02 2000 July 03
 9602000 July 31 2000 August 01 2000 August 02
 9612000 August 29 2000 August 30 2000 August 31
 9622000 September 27 2000 September 28 2000 September 29
 9632000 October 27 2000 October 28 2000 October 29
 9642000 November 25 2000 November 26 2000 November 27
 9652000 December 25 2000 December 26 2000 December 27
 
20019662001 January 24 2001 January 25