Lunar crescent visibility of Sha'ban 1442 Hijri

 Lunar crescent visibility of Sha'ban 1442 Hijri

The conjunction:
The geocentric conjunction between the Moon and the Sun will be at the end of the lunar month on Suturday, March 15,2021 at 06:07 local time.


Moon’s position after sunset on Sunday, March 15, 2021.


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 5.95 ° and the Moon’s elevation (HL) will be around 0.7°, after sunset. The highest values will be recorded in Borj El Khadra with HL= 1.05 ° and ARCL = 9.95 °.


In Islamic cities: The moon remain above the horizon after sunset on Sunset, March 13, 2021, 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 16 minutes), after sunset, with HL= 3.22° and ARCL= 6.48° at sunset. 


Possibility of Moon crescent visibility:  
The visibility of the Jumada al-awwal crescent will be possible after sunset on Sunday, March 14, 2021 in the world, from 0:45 local time.  The crescent will be visible for the first time, from the southeast pacific , then successively to the West, as shown on the map below (Fig. 2).

Table 1: Astronomical data relating to the observation of the lunar crescent of Sha'ban 1442 Hijri, after sunset on Saturday, March 13, 2021– (29 Rajab 1442 Hijri):

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 18 24 0 5 7 3 0.38 -5.54 5.94 0.27
Dakar 0. 19 19 0 16 8 58 3.22 -4.17 6.48 0.32
Nouakchott 0. 19 12 0 15 8 51 2.88 -4.48 6.45 0.32
Casablanca 0. 18 37 0 9 8 15 1.27 -5.50 6.27 0.30
Alger 1. 18 54 0 6 7 32 0.60 -5.59 6.06 0.28
Tripoli 1. 18 13 0 6 6 52 0.67 -5.37 5.89 0.27
Caire 2. 18 1 0 4 5 40 0.36 -5.19 5.60 0.24
Beyrouth 2. 17 45 0 2 5 23 0.13 -5.29 5.54 0.23
Khartoum 2. 18 1 0 9 5 40 1.58 -4.50 5.60 0.24
La Mecque 3. 18 29 0 6 5 8 0.86 -4.82 5.48 0.23
La Medina 3. 18 29 0 5 5 8 0.59 -4.96 5.48 0.23
Sanaa 3. 18 13 0 7 4 52 1.23 -4.54 5.43 0.23
Oman 2. 17 44 0 3 5 22 0.04 -5.24 5.53 0.23
Bagdad 3. 18 8 0 1 4 47 0.36 -5.23 5.41 0.22
Koweït 3. 17 56 0 2 4 34 0.11 -5.11 5.37 0.22
Téhéran 3.5 18 9 0 -1 4 18 ****** -5.24 5.33 0.22
Istanbul 3. 19 8 0 0 5 47 ****** -5.51 5.63 0.24
Jakarta 8. 19 5 0 6 0 44 0.97 -4.14 4.95 0.19
Mexico -5.0 18 13 0 18 12 52 2.85 -6.31 7.80 0.47
Washington -5.0 17 58 0 15 12 36 1.98 -6.75 7.71 0.45
Montréal -4.0 19 2 0 30 12 41 5.61 2.41 7.74 0.46
Figure 1: Moon’s position in Tunis, at sunset on Saturday, March 13, 2021–(29 Rajab 1442Hijri).

Figure 1: Moon’s position in Tunis, at sunset on Saturday, March 13, 2021–(29 Rajab 1442Hijri).

 

Figure 2: Lunar crescent visibility areas of Sha'ban 1442 Hijri (according to Istanbul criteria) after sunset on Saturday, March 13, 2021.

Figure 2: Lunar crescent visibility areas of Sha'ban 1442 Hijri (according to Istanbul criteria) after sunset on Saturday, March 13, 2021.

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).