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.
When we change our clocks. Most of the United States begins Daylight Saving Time at 2:00 a.m. on the second Sunday in March and reverts to standard time on the first Sunday in November. In the U.S., each time zone switches at a different time. In the European Union, Summer Time begins and ends at 1:00 a.m.