Pericles (c. 495-429 B.C.) Athenian statesman largely responsible for the full development, in the later 5th century BC, of both the Athenian democracy and the Athenian empire, making Athens the political and cultural focus of Greece. His achievements included the construction of the Acropolis, begun in 447.
EDT is daylight saving time and is nearly 4 hours behind the GMT. EST is the Eastern standard time and is 5 hours behind the GMT. EDT vs EST. EDT and EST are parts of the Eastern Time Zone that is observed in 17 states of the country lying in the eastern region. In the northern parts of this time zone, clocks are turned back by an hour during spring to save daylight.
Eastern Time Zone is the Eastern Time Zone of the United States of America (USA) and Canada.n most states in the USA and in most provinces in Canada, Daylight-Saving Time (DST) is observed. During DST the time is shifted forward by 1 hour to EDT; which is 4 hours behind Greenwich Mean Time (GMT-4). After the Summer months Eastern Time is shifted back by 1 hour to US Eastern Standard Time (EST) or (GMT-5).