DATE(year; month; day)
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Converts a date written as year, month, day to an internal serial number and displays it in the cell’s formatting. Year is an integer between 1583 and 9956 or 0 and 99. Month is an integer between 1 and 12. Day is an integer between 1 and 31.
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DATEVALUE("Text")
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Returns the internal date number for text in quotes. Text is a valid date expression and must be entered with quotation marks.
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DAY(number)
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Returns the day, as an integer, of the given date value. A negative date/time value can be entered. Number is a time value.
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DAYS(date_2; date_1)
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Calculates the difference, in days, between two date values. Date_1 is the start date. Date_2 is the end date. If Date_2 is an earlier date than Date_1, the result is a negative number.
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DAYS360(date_1; date_2; type)
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Returns the difference between two dates based on the 360 day year used in interest calculations. If Date_2 is earlier than Date_1, the function will return a negative number. Type (optional) determines the type of difference calculation: the US method (0) or the European method (≠0).
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*DAYSINMONTH(date)
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Calculates the number of days in the month of the given date.
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*DAYSINYEAR(date)
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Calculates the number of days in the year of the given date.
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EASTERSUNDAY(integer)
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Returns the date of Easter Sunday for the entered year. Year is an integer between 1583 and 9956 or 0 and 99.
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*EDATE(start_date; months)
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The result is a date a number of Months away from the given Start_date. Only months are considered; days are not used for calculation. Months is the number of months.
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*EOMONTH(start_date; months)
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Returns the date of the last day of a month which falls Months away from the given Start_date. Months is the number of months before (negative) or after (positive) the start date.
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HOUR(number)
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Returns the hour, as an integer, for the given time value. Number is a time value.
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*ISLEAPYEAR(date)
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Determines whether a given date falls within a leap year. Returns either 1 (TRUE) or 0 (FALSE).
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MINUTE(number)
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Returns the minute, as an integer, for the given time value. Number is a time value.
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MONTH(number)
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Returns the month, as an integer, for the given date value. Number is a time value.
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*MONTHS(start_date; end_date; type)
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Calculates the difference, in months, between two date values. Date_1 is the start (earlier) date. Date_2 is the end date. Type is one of two possible values, 0 (interval) or 1 (in calendar months). If Date_2 is an earlier date than Date_1, the result is a negative number.
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*NETWORKDAYS(start _date; end_date; holidays)
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Returns the number of workdays between start_date and end_date. Holidays can be deducted. Start_date is the date from which the calculation is carried out. End_date is the date up to which the calculation is carried out. If the start or end date is a workday, the day is included in the calculation. Holidays (optional) is a list of holidays. Enter a cell range in which the holidays are listed individually.
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NOW()
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Returns the computer system date and time. The value is updated when your document recalculates. NOW is a function without arguments.
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SECOND(number)
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Returns the second, as an integer, for the given time value. Number is a time value.
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TIME(hour; minute; second)
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Returns the current time value from values for hours, minutes and seconds. This function can be used to convert a time based on these three elements to a decimal time value. Hour, minute and second must all be integers.
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TIMEVALUE(text)
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Returns the internal time number from a text enclosed by quotes in a time entry format. The internal number indicated as a decimal is the result of the date system used under OOo to calculate date entries.
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TODAY()
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Returns the current computer system date. The value is updated when your document recalculates. TODAY is a function without arguments.
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WEEKDAY(number; type)
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Returns the day of the week for the given number (date value). The day is returned as an integer based on the type. Type determines the type of calculation: type = 1 (default), the weekdays are counted starting from Sunday (Monday = 0); type = 2, the weekdays are counted starting from Monday (Monday = 1); type = 3, the weekdays are counted starting from Monday (Monday = 0).
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WEEKNUM(number; mode)
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Calculates the number of the calendar week of the year for the internal date number. Mode sets the start of the week and the calculation type: 1 = Sunday, 2 = Monday.
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*WEEKNUM_ADD(date; return_type)
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Calculates the calendar week of the year for a Date. Date is the date within the calendar week. Return_type sets the start of the week and the calculation type: 1 = Sunday, 2 = Monday.
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*WEEKS(start_date; end_date; type)
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Calculates the difference in weeks between two dates, start_date and end_date. Type is one of two possible values, 0 (interval) or 1 (in numbers of weeks).
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*WEEKSINYEAR(date)
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Calculates the number of weeks in a year until a certain date. A week that spans two years is added to the year in which most days of that week occur.
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*WORKDAY(start_date; days; holidays)
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Returns a date number that can be formatted as a date. You then see the date of a day that is a certain number of Workdays away from the start_date. Holidays (optional) is a list of holidays. Enter a cell range in which the holidays are listed individually.
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YEAR(number)
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Returns the year as a number according to the internal calculation rules. Number shows the internal date value for which the year is to be returned.
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*YEARFRAC(start_date; end_date; basis)
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Returns a number between 0 and 1, representing the fraction of a year between start_date and end_date. Start_date and end_date are two date values. Basis is chosen from a list of options and indicates how the year is to be calculated.
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*YEARS(tart_date; end_date; type)
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Calculates the difference in years between two dates: the start_date and the end_date. Type calculates the type of difference.
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