Diamond professionals use the grading system developed by GIA in the 1950s, which established the use of four important factors to describe and classify diamonds: Clarity, Color, Cut, and Carat Weight. These are known as the Four C s. When used together, they describe the quality of a finished diamond.
0. Most Americans adjust their clocks for Daylight Saving Time (DST) once in the spring and once in the fall -- but residents of two states, Hawaii and Arizona, have chosen not to observe it. This clocks stands in a city park in Glendale, Arizona. Wikimedia Commons. Arizona participated for one summer.
Americans will be getting an extra hour of sunlight when daylight saving time starts Sunday and they turn their clocks forward at 2 a.m. to 3 a.m. Most of the U.S. will spring forward Sunday, except for Hawaii and Arizona, which opted out of daylight saving time. Here are some quotes about the annual time change from Search Quotes and Goodreads. 1.