let
Source = Excel.CurrentWorkbook(){[Name="Table1"]}[Content],
#"Split Column by Delimiter" = Table.SplitColumn(Source, "Column1", Splitter.SplitTextByEachDelimiter({" "}, QuoteStyle.Csv, true), {"Column1.1", "Column1.2"}),
#"Changed Type" = Table.TransformColumnTypes(#"Split Column by Delimiter",{{"Column1.1", type datetime}}),
#"Changed Type1" = Table.TransformColumnTypes(#"Changed Type",{{"Column1.1", type date}}),
#"Merged Columns" = Table.CombineColumns(Table.TransformColumnTypes(#"Changed Type1", {{"Column1.1", type text}}, "en-US"),{"Column1.1", "Column1.2"},Combiner.CombineTextByDelimiter(" ", QuoteStyle.None),"Merged")
in
#"Merged Columns"