The flooding of the Nile has been an important natural cycle in Egypt since ancient times. It is celebrated by Egyptians as an annual holiday for two weeks starting August 15, known as Wafaa El-Nil. It is also celebrated in the Coptic Church by ceremonially throwing a martyr's relic into the river, hence the name, The Martyr's Finger. Ancient Egyptians believed that the Nile flooded every year because of Isis's tears of sorrow for her dead husband, Osiris.
Quick Answer. It takes up to 24 hours for a new refrigerator to reach the correct temperature. Avoid placing food or drinks into the refrigerator until it reaches 40 degrees Fahrenheit or lower. The freezer must be at 0 degrees Fahrenheit. Continue Reading.
Confidence votes 39.2K. According to the United States Department of Agriculture, the refrigerator will keep food cold for about 4 hours if it is unopened. A full freezer will hold the temperature for approximately 48 hours (24 hours if it is half full) if the door remains closed.Obtain dry or block ice to keep your refrigerator as cold as possible if the power is going to be out for a prolonged period of time.onfidence votes 39.2K. According to the United States Department of Agriculture, the refrigerator will keep food cold for about 4 hours if it is unopened. A full freezer will hold the temperature for approximately 48 hours (24 hours if it is half full) if the door remains closed.