Deionized vs Distilled water. Water covers more than 70% of the earthsâ surface. Out of this, a larger portion of water is in the oceans and seas, which is about 97%. Rivers, lakes, and ponds have 0.6% of water, and about 2% is there in polar ice caps and glaciers.
2007 - Under the new laws, all of Indiana now observes Daylight Saving Time, where only certain areas of the state did before. Exceptions in the United States: In the United States, Hawaii and most of Arizona do not follow DLS.
USA Daylight Savings Time (DST) Update. Starting from March 2007, the Daylight Savings Time (DST) start date and end date for the United States will change. DST will start at 2:00 A.M. on the second Sunday in March and end at 2:00 A.M on the first Sunday in November.