Lunar crescent visibility of  Rajab 1441 Hijri

The Conjonction :

The geocentric conjunction between the Moon and the sun will be at the end of the lunar month on Sunday, February 23 at 16:32 local time.

Moon’s position after sunset on Sunday, February 23, 2020.

In Tunisia: The Moon set before sunset.

In Islamic cities: The Moon set before sunset..

Possibility of Moon crescent visibility.

The visibility of Rajab crescent, will be possible after the sunset on Monday, January 24, 2020 in the world, from 06:42 local time. The crescent will be visible for the first time, from the center of the 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 Rajab 1441 Hijri, after sunset on Sunday, February 23, 2020-29 Jumada al-Thani 1441 Hijri:

Figure 1: Moon position in Tunis, at sunset on Sunday 23 February -29 Jumada al-Thani 1441 Hijri

Figure 2: Lunar crescent visibility areas of Rajab (according to Istanbul criteria) after sunset on Sunday, February 23, 2020.

Abbreviation: 

lag: La période entre le coucher du soleil et le coucher de la lune. (si la valeur est négative dans ce cas la lune se couche avant le soleil).

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).

The crescent Moon is visible after sunset, if the following conditions (criteria) are true.

• The geocentric conjunction occurs before sunset.
• HL> 5 ° at sunset.
• ARCL> 8 °, at sunset.