when is it celebrated?
After a crescent new moon has been sighted or after completion of thirty days of fasting
Ramadan
 the next lunar month, is declared after a crescent new moon has been sighted or after completion of thirty days of fasting
who proposed a theory of evolution based on acquired characteristics Jean-Baptiste Lamarck who is he? He was a French naturalist. He was a soldier, biologist, and academic where is he from? Bazentin, Picardy mention few of his transformative works? UNANSWERABLE mention few things named in his honour? The honeybee subspecies "Apis mellifera lamarckii" is named after Lamarck, as well as the bluefire jellyfish ("Cyaneia lamarckii"). where is the first found? They are native to the Nile valley of Egypt and Sudan mention few celebrations of the country mentioned above? Ramadan, The ancient spring festival of Sham en Nisim to mention a few when is the first celebrated ? In the ninth month of the Islamic calendar when does it end ? the annual observance of Ramadan is regarded as one of the Five Pillars of Islam and lasts twenty-nine to thirty days, from one sighting of the crescent moon to the next. how is jobs associated to it? An Arab News article reported that Saudi Arabian businesses were unhappy with shorter working hours during Ramadan, some reporting a decline in productivity of 35 to 50%. how is it associated with culture? UNANSWERABLE any festival associated with it? Yes, "Eid al-Fitr"
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Ramadan [SEP] "Eid"
The holiday of "Eid al-Fitr" (Arabic:عيد الفطر), which marks the end of Ramadan and the beginning of "Shawwal", the next lunar month, is declared after a crescent new moon has been sighted or after completion of thirty days of fasting if no sighting of the moon is possible. "Eid" celebrates of the return to a more natural disposition ("fitra") of eating, drinking, and marital intimacy.