Many other countries also refer to DST as summer time. In Germany, which was one of the first countries to use DST, it is called Sommerzeit. In Scandinavian countries, DST is referred to as sommertid.
DST was referred to as War Time in the USA during World War II. It was also known as Central War Time, Eastern War Time, Mountain War Time, and Pacific War Time, depending on the time zone in the United States. After World War II, it was referred to as Eastern Peace Time.
In wartime Great Britain, it was known as British Double Summer Time during the summer months and British Summer Time during the winter months.
DST was also known as Hitler Time in some parts of Europe, as well as Berlin Time and Sommerzeit, during World War II. After the war, DST had other references, including Summer Time Daylight Saving.