even ozone, to form a wide variety of toxic products, some of which may cause biological mutations. Examples of these chemicals include the nitrate radical, nitroarenes, and nitrosamines. Visibility Impairment - Nitrate particles and nitrogen dioxide can block the transmission
In the U.S., the clocks will be turned back one hour on Nov. 2, at 2:00 a.m. local time, so trick-or-treaters will hang on to a little more light on Halloween. (Mark your calendar, we âspring aheadâ an hour on the second Sunday in March.). If you live in Europe, you will have already moved your clock back to Standard Time on Sunday, Oct. 26, in the wee hours of the morning (it varies by country), in Asia, most countries do not observe Daylight Saving.
on March 05, 2016 at 5:30 AM, updated March 06, 2016 at 9:49 AM. On Sunday, March 13, 2016, almost all of the United States, and 78 other countries, will set their clocks ahead one hour for Daylight Saving Time. Every year, DST starts on the second Sunday of March, when our clocks will jump forward an hour at 2 a.m. DST ends on first Sunday of November.