New Zealander George Hudson proposed the modern idea of daylight saving in 1895. Germany and Austria-Hungary organized the first nationwide implementation, starting on 30 April 1916. Many countries have used it at various times since then, particularly since the energy crisis of the 1970s.
ఆస్ట్రియా-హంగరీతో పాటు ఏ దేశం మొదట డిఎస్టి ని అమలు చేసింది?
Germany