Lunar crescent visibility of rajab  1443 Hijri

 Lunar crescent visibility of rajab  1443 Hijri

The conjunction:
The geocentric conjunction between the Moon and the Sun will be at the end of the lunar month on Tuesday, February 01,2022 at 06:46 local time.


Moon’s position at sunset on Tuesday, February 01, 2022.


In Tunisia: After sunset, the moon will remain above the horizon around 6 minutes, All over the Tunisian territory. The geocentric elongation (ARCL) between the moon and the sun will be around 17 ° and the Moon’s elevation (HL) will be around 2.5 °, at sunset. The highest values will be recorded in Borj El Khadra with HL= 2.99 ° and ARCL = 8.04°.


In Islamic cities: The moon remain above the horizon after sunset on Tuesday, February 01, 2022, and the highest values of elongation and moon’s elevation, will be recorded in the western countries of the Islamic world. In Dakar, the Moon will remain above the horizon the maximum duration (around 29minutes), after sunset, with HL= 5.85° and ARCL= 9.04° at sunset. 


Possibility of Moon crescent visibility:  
The visibility of the Jumada al-awwal crescent will be possible after sunset on Tuesday, February 01, 2022in the world, from 17:54 local time.  The crescent will be visible for the first time, from the east of central Africa. , then successively to the West, as shown on the map below (Fig.1).

Table 1: Astronomical data relating to the observation of the lunar crescent of Rajab 1443 Hijri, after sunset on Tuesday, February 01, 2022– (29 joumada al thani 1443Hijri):

City

Time Zones

Sunset

Lag

Moon position at. Sunset

Moon Age

HL

DAZ

ARCL

W

HH

HH

Mn

HH

Mn

HH

Mn

deg°

deg°

deg°

%

Tunis 1.0 17 45 0 15 10 58 2.05 -6.95 7.94 0.48
Dakar 0. 19 8 0 29 13 22 5.85 -4.82 9.04 0.62
Nouakchott 0. 18 58 0 28 13 11 5.40 -5.33 8.95 0.61
Casablanca 0. 18 1 0 20 12 15 3.17 -6.94 8.52 0.55
Alger 1. 18 13 0 17 11 27 2.30 -7.06 8.15 0.51
Tripoli 1. 17 40 0 17 10 53 2.51 -6.63 7.90 0.48
Caire 2. 17 32 0 14 9 45 2.22 -6.23 7.41 0.42
Beyrouth 2. 17 8 0 12 9 22 1.57 -6.42 7.24 0.40
Khartoum 2. 17 49 0 20 10 2 3.88 -4.95 7.53 0.43
La Mecque 3. 18 10 0 17 9 24 2.96 -5.48 7.26 0.40
La Medina 3. 18 6 0 15 9 20 2.60 -5.74 7.23 0.40
Sanaa 3. 18 1 0 18 9 15 3.45 -4.92 7.19 0.40
Oman 2. 17 10 0 13 9 24 1.81 -6.30 7.26 0.40
Bagdad 3. 17 34 0 10 8 47 1.33 -6.27 7.00 0.37
Koweït 3. 17 26 0 12 8 40 1.71 -6.01 6.95 0.37
Téhéran 3.5 17 32 0 7 8 15 0.76 -6.29 6.79 0.35
Istanbul 3. 18 20 0 8 9 34 0.80 -6.87 7.33 0.41
Jakarta 8. 11 16 0 15 5 30 2.94 -3.33 5.80 0.26
Mexico -5.0 17 29 0 38 18 43 8.39 -5.74 11.68 1.04
Washington -5.0 17 29 0 32 16 43 4.70 -8.49 10.67 0.87
Montréal -4.0 17 0 0 28 16 14 3.38 -9.08 10.44 0.83

 

 

Figure 1: Lunar crescent visibility areas of Rajab 1433 Hijri (according to Istanbul criteria) after sunset on Tuesday, February 01, 2022.

Figure 1: Lunar crescent visibility areas of Rajab 1433 Hijri (according to Istanbul criteria) after sunset on Tuesday, February 01, 2022.

Abbreviation: 

lag: The period between sunset and moonset. (If the value is negative, in this case the moon sets before the sun).

Age Lune: The period between the conjunction and the sunset.

HL: Moon topocentric elevation (if the moon sets before the sun, the value will compensated by the symbol "*** ***").

DAZ: The difference between the sun’s azimuth and the moon’s azimuth, at sunset.

ARCL: Geocentric elongation between the sun and the moon.

W: The illuminated percentage of the moon's surface.

Indication : The criteria used to predict the visibility of the lunar crescent, are the Istanbul criteria (1978-2016).