History
Ancient history and settlement.
Aswan is the ancient city of Swenett, later known as Syene, which in antiquity was the frontier town of Ancient Egypt facing the south. Swenett is supposed to have derived its name from an Egyptian goddess with the same name. This goddess later was identified as Eileithyia by the Greeks and Lucina by the Romans during their occupation of Ancient Egypt because of the similar association of their goddesses with childbirth, and of which the import is “the opener”. The ancient name of the city also is said to be derived from the Egyptian symbol for “trade”, or “market”.
Geography
The latitude of the city that would become Aswan – located at 24° 5′ 23″ – was an object of great interest to the ancient geographers and mathematicians. They believed that it was seated immediately under the tropic, and that on the day of the summer solstice, a vertically positioned staff cast no shadow. They noted that the sun’s disc was reflected in a deep well (or pit) at the noon. This statement is only approximately correct; at the summer solstice, the shadow was only 1⁄400 of the staff, and so could scarcely be discerned, and the northern limb of the Sun’s disc would be nearly vertical. More than 2000 years ago Greek polymath Eratosthenes used this information to calculate earth’s circumference.
