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In the United States where a one-hour shift occurs at 02:00 local time, in spring the clock jumps forward from the last moment of 01:59 standard time to 03:00 DST and that day has 23 hours, whereas in autumn the clock jumps backward from the last moment of 01:59 DST to 01:00 standard time, repeating that hour, and that day has 25 hours. A digital display of local time does not read 02:00 exactly at the shift to summertime, but instead jumps from 01:59:59.9 forward to 03:00:00.0. In the European Union, on the other hand, since the shift occurs at 01:00 UTC, the autumn shift happens an hour later than the spring shift, local time. Clock shifts are usually scheduled near a weekend midnight to lessen disruption to weekday schedules. A one-hour shift is customary, but Australia's Lord Howe Island uses a half-hour shift. [ 37 ] Twenty-minute and two-hour shifts have been used in the past. Coordination strategies differ when adjacent time zones shift clocks. The Europea

Fragments of at least one meteorite fell in the Chelyabinsk region some 1,500 kilometers (930 miles) east of Moscow, causing flashes in the morning sky and sharp explosions, Russian officials said on Friday. see the meteor passing in sky video. A meteorite streaked across the sky above Russia's Ural Mountains on Friday morning, causing sharp explosions and injuring more than 400 people, many of them hurt by broken glass. Interior Ministry spokesman Vadim Kolesnikov said more than 400 people had sought medical treatment after the blasts, and at least three had been hospitalised in serious condition. Many of the injuries were from glass broken by the explosions. Kolsenikov also said about 600 square meters of a roof at a zinc factory had collapsed.