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## DAYS360

在按照一年 360 天的利息计算中，返回两日期相差的天数。

### Syntax

DAYS360("Date1"; "Date2"; Type)

如果 Date2 早于 Date1，函数返回的结果是一个负数。

可选自变量类型决定了不同的运算类型。Type = 0 或者没有 Type 自变量时，应用美国方式（NASD，美国证券交易商协会）。Type <> 0 时，应用欧洲方式。

When entering dates as part of formulas, slashes or dashes used as date separators are interpreted as arithmetic operators. Therefore, dates entered in this format are not recognized as dates and result in erroneous calculations. To keep dates from being interpreted as parts of formulas use the DATE function, for example, DATE(1954;7;20), or place the date in quotation marks and use the ISO 8601 notation, for example, "1954-07-20". Avoid using locale dependent date formats such as "07/20/54", the calculation may produce errors if the document is loaded under different locale settings.

Unambiguous conversion is possible for ISO 8601 dates and times in their extended formats with separators. If a #VALUE! error occurs, then unselect Generate #VALUE! error in LibreOffice - PreferencesTools - Options
- LibreOffice Calc - Formula, button Details... in section "Detailed Calculation Settings", Conversion from text to number list box.

### Example

=DAYS360("2000-01-01";NOW()) returns the number of interest days from January 1, 2000 until today.