Graphite is an interesting material, an allotrope of carbon (as is diamond). It displays properties of both metals, and nonmetals. However, like a metal, graphite is a very good conductor of electricity due to the mobility of the electrons in its outer valence shells.
Arizona, Hawaii, American Samoa, Puerto Rico and the Virgin Islands donât participate in daylight saving. Indiana used to be split, but opted for daylight saving in 2005.
View current time in all US time zones: World Clock USA. Daylight Saving Time Since 2007: Daylight Saving Time begins for most of the United States at 2 a.m. on the second Sunday of March . Time revert to standard time at 2 a.m. on the first Sunday in November . Daylight Saving Time, for the U.S. and its territories, is NOT observed in Hawaii , American Samoa, Guam, Puerto Rico, the Virgin Islands and the state of Arizona (not the Navajo Indian Reservation, which does observe).