Funciones de fecha y hora

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# Date & Time Functions

These spreadsheet functions are used for inserting and editing dates and times.

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Insert - Function - Category Date & Time

The functions whose names end with _ADD or _EXCEL2003 return the same results as the corresponding Microsoft Excel 2003 functions without the suffix. Use the functions without suffix to get results based on international standards.

LibreOffice internally handles a date/time value as a numerical value. If you assign the numbering format "Number" to a date or time value, it is converted to a number. For example, 01/01/2000 12:00 PM, converts to 36526.5. The value preceding the decimal point corresponds to the date; the value following the decimal point corresponds to the time. If you do not want to see this type of numerical date or time representation, change the number format (date or time) accordingly. To do this, select the cell containing the date or time value, call its context menu and select Format Cells. The Numbers tab page contains the functions for defining the number format.

## Configuración de fecha pal día cero

Les feches calcular según la diferencia respecto al día cero. Pue establecer unu de los siguientes díes como día cero:

Configuración de fecha | Usar
'30/12/1899' | (predeterminada)
'01/01/1900' | (utilizada na antigua versión StarCalc 1.0)
'01/01/1904' | (utilizáu en software Apple)

Pue escoyese LibreOffice - Preferencies Ferramientes - Opciones - LibreOffice Calc - Calcular pa escoyer la base de les feches.

Cuando copia y pega caxelles que contienen valores de fecha ente distintes fueyes de cálculu, dambos documentos de fueyes de cálculu tienen de tener la mesma configuración pa les feches. Si la configuración de fecha ye distinta, van camudar los valores de fecha.

## Años de dos díxitos

In LibreOffice - PreferencesTools - Options - LibreOffice - General you find the area Year (two digits). This sets the period for which two-digit information applies. Note that changes made here have an effect on some of the following functions.

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.

Time zone information is not used in Date and Time functions and cells.

## Funciones

DIA.LAB

FRAC.AÑU

FECHA

DATEDIF

FECHANÚMERO

FECHA.MES

GÜEI

AÑU

AGORA

[text/scalc/01/func_isoweeknum.xhp#isoweeknum not found].

NÚM.SELMANA

[text/scalc/01/func_weeknum_ooo.xhp#weeknum_ooo not found].

NÚM.SELMANA_ADD

MINUTU

MES

FIN.MES

NETWORKDAYS

NETWORKDAYS.INTL

WORKDAY.INTL

DOMINGOPASCUA

SEGUNDU

HORA

DÍA

DÍES

DÍES360

WEEKDAY

HORA

HORANÚMERO

Temes rellacionaes

Functions by Category