SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 2)
   ExpressionList (children 3)
    Literal \'leap year:\'
    Function to_utc_timestamp (children 1)
     ExpressionList (children 2)
      Function toDateTime (children 1)
       ExpressionList (children 1)
        Literal \'2024-02-28 23:22:33\'
      Literal \'EST\'
    Function from_utc_timestamp (children 1)
     ExpressionList (children 2)
      Function toDateTime (children 1)
       ExpressionList (children 1)
        Literal \'2024-03-01 00:22:33\'
      Literal \'EST\'
   Set
