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Crescent Moon Visibility for Dhu al-Hijja 2021

Summary

Crescent Moon over Ash Priors on 18th April 2007 The visibility of the new crescent moon for July 2021 preceding the Islamic Festival of Eid al-Adha is shown in the table below. Eid al-Adha is celebrated on the 10th day of Dhu al-Hijja, the last month of the Islamic Calendar. We have included Mecca (with timings in Arabian Standard Time – AST) and Rabat (with timings in Western European Summer Time – WEST) for reference as well as a number of cities across the United Kingdom. Times of sunset (SS) and moonset (MS) in British Summer Time (BST) are shown where relevant. Offsets from Greenwich Mean Time (GMT) are also given. The entry **:** indicates the setting phenomenon takes place the following day.

The instant of new Moon takes place on Saturday July 10th 2021 at 01:17 UT / 02:17 BST. A telescopic sighting of the crescent moon is possible on Saturday July 10th as is a sighting using optical aid to find the crescent from northern central Africa. Sightings are possible with the naked eye under excellent conditions on the same day from most of the United States, most of Central America, the Caribbean region and north-western parts of South America. Easy sightings, again on the same day, are likely from Mexico and the eastern half of the Pacific Ocean region. Easy sightings of the crescent moon are likely on almost a global basis on Sunday July 11th, Monday July 12th and Tuesday July 13th. More detailed descriptions are given below.

For those observers in northern central Africa, sightings of the crescent moon with optical assistance are possible on Saturday July 10th. Easy sightings are likely on Sunday July 11th, Monday July 12th and Tuesday July 13th from the Middle East, Africa and the United Kingdom. Sightings requiring optical assistance or the use of a telescope at selected locations highlighted. in the table below. Similarly, the most likely dates for the first naked-eye sighting of the month at selected locations are also highlighted.

Visibility of the New Crescent Moon from selected locations

Visibility of the New Crescent Moon in July 2021
LocationSaturday
10th July
Sunday
11th July
Monday
12th July
Tuesday
13th July
Mecca
Times in AST
i.e. GMT+3hr
Not visible with a conventional telescope
SS: 19:07
MS: 19:41
Easily Visible
SS: 19:07
MS: 20:29
Easily Visible
SS: 19:07
MS: 21:13
Easily Visible
SS: 19:06
MS: 21:53
Rabat
Times in WEST
i.e. GMT+1hr
Will require optical aid to find crescent
SS: 20:41
MS: 21:25
Easily Visible
SS: 20:41
MS: 22:09
Easily Visible
SS: 20:40
MS: 22:47
Easily Visible
SS: 20:40
MS: 23:21
London
Times in BST
i.e. GMT+1hr
Not visible Easily Visible
SS: 21:15
MS: 22:40
Easily Visible
SS: 21:14
MS: 23:06
Easily Visible
SS: 21:13
MS: 23:27
Cardiff
Times in BST
i.e. GMT+1hr
Not visible Easily Visible
SS: 21:27
MS: 22:53
Easily Visible
SS: 21:26
MS: 23:19
Easily Visible
SS: 21:25
MS: 23:39
Birmingham
Times in BST
i.e. GMT+1hr
Not visible Easily Visible
SS: 21:27
MS: 22:52
Easily Visible
SS: 21:26
MS: 23:17
Easily Visible
SS: 21:25
MS: 23:36
Leicester
Times in BST
i.e. GMT+1hr
Not visible Easily Visible
SS: 21:25
MS: 22:50
Easily Visible
SS: 21:24
MS: 23:14
Easily Visible
SS: 21:23
MS: 23:34
Sheffield
Times in BST
i.e. GMT+1hr
Not visible Easily Visible
SS: 21:30
MS: 22:55
Easily Visible
SS: 21:30
MS: 23:19
Easily Visible
SS: 21:29
MS: 23:38
Manchester
Times in BST
i.e. GMT+1hr
Not visible Easily Visible
SS: 21:34
MS: 22:59
Easily Visible
SS: 21:33
MS: 23:23
Easily Visible
SS: 21:32
MS: 23:41
Bradford
Times in BST
i.e. GMT+1hr
Not visible Easily Visible
SS: 21:34
MS: 22:59
Easily Visible
SS: 21:33
MS: 23:22
Easily Visible
SS: 21:32
MS: 23:40
Leeds
Times in BST
i.e. GMT+1hr
Not visible Easily Visible
SS: 21:33
MS: 22:58
Easily Visible
SS: 21:32
MS: 23:21
Easily Visible
SS: 21:31
MS: 23:39
Belfast
Times in BST
i.e. GMT+1hr
Not visible Easily Visible
SS: 21:55
MS: 23:20
Easily Visible
SS: 21:54
MS: 23:42
Easily Visible
SS: 21:53
MS: 23:59
Newcastle
Times in BST
i.e. GMT+1hr
Not visible Easily Visible
SS: 21:40
MS: 23:05
Easily Visible
SS: 21:39
MS: 23:26
Easily Visible
SS: 21:38
MS: 23:43
Glasgow
Times in BST
i.e. GMT+1hr
Not visible Easily Visible
SS: 21:57
MS: 23:21
Easily Visible
SS: 21:56
MS: 23:41
Easily Visible
SS: 21:55
MS: 23:56

New Crescent Moon Visibility Maps for July 2021

1) — Saturday July 10th 2021: It should be noted that the Moon sets before the Sun in the light brown-shaded area covering the southernmost parts of Australia and New Zealand. Telescopic sightings of the crescent moon with small, conventional, amateur-sized telescopes are possible from the northern central part of Africa, northern Canada and central South America. Optical aid may be needed to find the new crescent moon from north-western Africa, southern Canada and northern central parts of South America. Naked-eye sightings under excellent conditions are possible from most of the United States, most of Central America, the Caribbean region and north-western parts of South America. Easy sightings are likely from Mexico and the eastern half of the Pacific Ocean region. No sightings of the crescent moon with the naked eye are likely from the Middle East, Africa and the United Kingdom in particular although a sighting with optical aid may be possible from north-western Africa.

Crescent Moon Visibility for July 10th 2021

2) — Sunday July 11th 2021: Easy sightings of the crescent moon are likely on a global basis with the possible exceptions of southernmost Australia, New Zealand and the northern parts of Russia where excellent conditions and possibly optical aid will be required to make sightings. Easy sightings with the naked eye should be possible from the Middle East, Africa and the United Kingdom in particular.

Crescent Moon Visibility for July 11th 2021

3) — Monday July 12th 2021: The crescent moon should be easily visible on a global basis. Easy sightings with the naked eye should be possible from the Middle East, Africa and the United Kingdom in particular.

Crescent Moon Visibility for July 12th 2021

Download Adobe Acrobat Reader To download a pdf version of one of these crescent moon visibility maps, please click on the relevant map.

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Last modified: Sunday, 21 March 2021 at 12:32:50 GMT
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