"Quran 19" .. An astronomical phenomenon witnessed in the sky of the Kingdom

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Today, the sky of the Kingdom witnessed the conjunction of the Pleiades with the moon, in an astronomical phenomenon that coincides, according to popular heritage, with what is known as "Quran 19", which is used by the people of the desert and farmers to indicate the onset of the season of Wusum, and the beginning of its first periods known as "Wusum Al-Harif", among the seasonal signs that the Arabs relied on in ancient times to calculate seasons and monitor weather changes.

Astronomy club member Mohammed Al-Hazimi explained that the conjunction of the Pleiades with the moon at this time is known in popular heritage as "Quran 19", and is associated with the onset of the Wusum season and the gradual changes in the atmosphere towards a winter character, in addition to the anticipation of rain clouds forming from the west and southwest, noting that the Wusum season lasts for 81 days and is distributed over several seasonal periods.

He indicated that "Wusum Al-Harif" represents the first period of the Wusum season, lasting about 27 days, pointing out that the rains that fall during this period are considered, in popular heritage, beneficial rains for the growth of spring plants and preparing the soil for the growth of various types of truffles.

Al-Hazimi pointed out that the conjunction of the Pleiades with the moon and other astronomical observations have attracted the attention of Arabs since ancient times, as they relied on the moon's mansions, the rising stars, and their locations to regulate their seasonal calendars and to determine the times for agriculture, grazing, and the usual climatic changes.

He added that "Quran 19" is still present in the popular heritage as one of the signs associated with the onset of the season of Al-Wasum, which is of great interest to the people of the desert, farmers, and those interested in heritage, due to its connection with the anticipation of seasonal rains and the beginning of the sprouting of spring plants.