Alton TimeUse the above converter to visually and very quickly convert time in Alton, United States to another timezone. Simply mouse over the colored hour-tiles and glance at the hours selected by the column. Current time zone for Alton, United States is CDT, whose offset is GMT-5. DST started on Sun, March 9 2025 at 2:00 am local time, when time in Alton moved forward 1 hour to 3:00 am. DST ends on Sun, November 2 2025 at 2:00 am local time, when time in Alton moves back 1 hour to 1:00 am. See also: Algonquin, East Saint Louis, Niles |
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