ساعت تابستانی: تفاوت میان نسخه‌ها

[[پرونده:DaylightSaving-UTC World-Subdivisions.png|upright=۱٫۶۷|thumb|alt=World map. Europe, Russia, most of North America, parts of southern South America and southern Australia, and a few other places use DST. Most of equatorial Africa and a few other places near the equator have never used DST. The rest of the land mass is marked as formerly using DST.|