'Germany was first to adopt the system known as this; they did it in 1915 to conserve energy during the war'
Daylight saving time
TIME: Germany was first to adopt the system known as this; they did it in 1915 to conserve energy during the war
Germany was first to adopt the system known as this; they did it in 1915 to conserve energy during the war
Germany was first to adopt the system known as this; they did it in 1915 to conserve energy during the war
TIME
Daylight saving time
TIME