Units ›
Date
Date String
Unit functions
| DateString::DateString | unknown (int initialSize) |
| void | DateString::trim () |
| void | DateString::end () |
| char* | DateString::getString () |
| void | DateString::fill (const char* format, DateTime& dt, Units::Time::summerTimeRegion region) |
| bool | DateString::resize (int newLength) |
| bool | DateString::resizeIfNecessary (int numCharsToBeAdded) |
| void | DateString::append (double numToAppend, int minLength) |
| void | DateString::append (int numToAppend, int minLength) |
| void | DateString::append (const char* pStrToAppend, int maxLength) |
| void | DateString::append (char pChrToAppend) |
Date Time
Unit functions
Constants
Calenders: Gregorian, Julian and Excel
Year
Extracts the year from a serial Julian date.
Excel: MONTH
| int | year (int nDate, calendar dateSystem)[inline] |
| int | year (int nDate)[inline] |
Today
Returns the current date as a serial Julian date.
Excel: TODAY
| int | today () |
Date Diff
Computes the number of days between two serial Julian dates
Open Office: DATEDIFF
| int | dateDiff (int startDate, int endDate)[inline] |
Date Diff360
Computes the number of days between two serial dates using a 360 day accounting years.
\begin{html}Excel: DAYS360\end{html}
| int | dateDiff360 (int startDate, int endDate, dateDiffType type=dd_USA) |
Date YMD
Converts a serial Julian date into day, month and year values
| void | dateYMD (int nDate, int &year, int &month, int &day, calendar dateSystem=cal_Gregorian) |
| void | dateYMD (const char* date, int &year, int &month, int &day, calendar dateSystem=cal_Gregorian, int century21st=30) |
Day
Extracts the day from a serial Julian date.
Excel: DAY
| int | day (int nDate, calendar dateSystem=cal_Gregorian)[inline] |
Day Of Week
Computes the day of the week (Sunday through to Monday), for the specified serial Julian date.
| int | dayOfWeek (int nDate, int type=1)[inline] |
Day Of Year
Computes the Gregorian day of the year from a serial Julian date.
| int | dayOfYear (int nDate)[inline] |
First Monday
Returns the date in January when the first Monday occurs.
| int | firstMonday (int year)[inline] |
Week Of Year
Computes the week number of a date - ISO, Excel and Simple standards implemented.
\begin{html}Excel: WEEKNUM\end{html}
| int | weekOfYear (int nDate, weekNumStd standard=wkn_ISO, int mode=1) |
Weekday Str
Returns a string for the weekday specified.
| char* | weekday_str (int weekDay, int type=1) |
Month Str
Returns a string pointer to the month of the year.
| char* | month_str (int nMonth) |
Easter Sunday
Calculates the date of Easter Sunday for the given year.
Open Office: EASTERSUNDAY
| int | easterSunday (int year)[inline] |
| std::string | easterSunday_str (int year) |
Next Week Day
Advances the specified date to the next weekday.
| int | nextWeekDay (int nDate, bool forward=true)[inline] |
Network Days
Returns the number of working days between the start and end dates, excluding holidays.
Excel: NETWORKDAYS
| int | networkDays (int startDate, int endDate, int holidays=0, int* holidayDates=NULL) |
Nth Week Day
Returns the date of the nth weekday within the specified month and year.
| int | nthWeekDay (int Nth, int WeekDay, int Year, int Month, int Type=1) |
Days In Month
Returns the number of days in the month of a Gregorian calendars.
Open Office: DAYSINMONTH
| int | daysInMonth (int year, int month) |
Julian To Excel
Converts serial Julian date into serial Excel date
| int | julianToExcel (int nDate, bool Mac=false) |
Work Day
Computes the working date from the specified date plus or minus \a days - excluding holidays.
Excel: WORKDAY
| int | workDay (int nDate, int days, int holidays=0, int* holidayDates=NULL) |
Excel To Julian
Converts serial Excel date into serial Julian date
| int | excelToJulian (int ExcelDate, bool Mac=false) |
Days In Year
Returns the number of days in the year of a Gregorian calendars.
Open Office: DAYSINYEAR
| int | daysInYear (int year)[inline] |
End Of Month
Advances a serial date to the last day of the month after adding \a months.
Excel: EOMONTH
| int | endOfMonth (int nDate, int months, calendar dateSystem=cal_Gregorian)[inline] |
Month
Extracts the month from a serial Julian date.
Excel: MONTH
| int | month (int nDate, calendar dateSystem=cal_Gregorian)[inline] |
Inc Month
Advances a serial date by a number of \a Months.
Excel: EDATE
| int | incMonth (int nDate, int months, calendar dateSystem=cal_Gregorian)[inline] |
Date
Calculates the serial date from the parameters \b day, \b month and \b year.
Excel: DATE
| int | date (int Year, int Month, int Day, calendar DateSystem=cal_Gregorian) |
| int | date (const char* Date, calendar DateSystem=cal_Gregorian, int Century21st=30) |