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# CDateToIso Function

Returns the date in ISO format without separators (YYYYMMDD) from a serial date number that is generated by the DateSerial or the DateValue or the CDateFromIso function.

The year part consists of at least four digits, with leading zeros if the absolute value is less than 1000, it can be negative with a leading minus sign if the date passed denotes a year before the common era (BCE) and it can have more than four digits if the absolute value is greater than 9999. The formatted string returned can be in the range "-327680101" to "327671231".

Years less than 100 and greater than 9999 are supported since LibreOffice 5.4.

## 語法：

    CDateToIso(Number)

## 傳回值類型：

字串型

## 參數：

Number：包含串列日期數的整數。

## 錯誤代碼：

5 無效的程序呼叫

## 示例：

    Sub ExampleCDateToIso

        MsgBox "" & CDateToIso(Now) ,64,"ISO Date"

    End Sub