The amount of solar energy that could be obtained by a flat plate solar collector of one square meter dimension is calculated in three different locations: Tampa FL, Fairbanks AL, and Pontianak read more Indonesia, considering the varying sunset time for each day of the year.The results show that if the collectors are placed near the equator, more total energy could be obtained.In fact, by placing a solar collector in Pontianak, Indonesia 12.42% more solar energy usc trojans snapback hat can be obtained than by placing it in Tampa and 96.9% more solar energy than Alaska.