Starting on 30 April 1916, Germany and its World War I ally Austria-Hungary were the first to use DST (German: Sommerzeit) as a way to conserve coal during wartime. Britain, most of its allies, and many European neutrals soon followed suit. Russia and a few other countries waited until the next year and the United States adopted it in 1918.
ఏ సంవత్సరం జర్మనీ DST ప్రయత్నించాలని నిర్ణయించుకుంది?
1916