As of 2007, daylight time begins in the United States on the second Sunday in March and ends on the first Sunday in November. On the second Sunday in March, clocks are set ahead one hour at 2:00 a.m. local standard time (which becomes 3:00 a.m. local daylight time). On the first Sunday in November, clocks are set back one hour at 2:00 a.m. local daylight time (which becomes 1:00 a.m. local standard time). These dates were established by Congress in the Energy Policy Act of 2005, Pub. L. no. 109-58, 119 Stat 594 (2005) .
Causes of Chills without Fever. If your chills do not coincide with a fever, it may mean you have one of the following conditions: Prescription drugs: Chills can be a side effect of prescription drugs, if the prescription is incorrect or an individual is using them in an abusive manner.hese include chills, which are rarely accompanied by a fever, muscle spasms, vomiting and nausea, headache, abdominal pain, a rash, and joint stiffness. However, they do differ in accordance with the appearance of the spider bite.
While chills and fever often come together, they don't necessarily have to. Chills (also known as rigors), are caused by your body's attempt to burn energy and increase your body temperature. This happens usually when your body is trying to fight off an infection. Thus, chills assist in causing fever, but often arrive first before your body temperature actually goes up. The most common causes of chills in the setting of infection are Influenza, Pneumonia, Kidney infections etc.