Difference between revisions of "Documentation/How Tos/Calc: WEEKNUM ADD function"

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__NOTOC__
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{{Documentation/MasterTOC
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|bookid=1234'''
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|booktitle=<div style="padding: 8px; font-size: 140%; font-weight: bold; background-color: #9BC0F5;">CALC FUNCTIONS</div>
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|ShowParttitle=block|parttitle=[[Documentation/How_Tos/Calc:_Date_%26_Time_functions|<div  style="font-size: 140%;">Date & Time Functions]]
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|ShowNextPage=block|NextPage=Documentation/How_Tos/Calc:_MONTHS_function
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|ShowPrevPage=block|PrevPage=Documentation/How_Tos/Calc:_WEEKNUM_function
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|ShowPrevPart=block|PrevPart=Documentation/How_Tos/Calc:_Database_functions
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|ShowNextPart=block|NextPart=Documentation/How_Tos/Calc:_Financial_functions
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|toccontent= <div style="padding: 4px; font-size: 130%; font-weight: hidden; background-color:#DCE9FC;">FUNCTIONS</div>
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* [[Documentation/How_Tos/Calc:_TODAY_function|<div style="font-size: 120%;">Today]]
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* [[Documentation/How_Tos/Calc:_NOW_function|<div style="font-size: 120%;">Now]]
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* [[Documentation/How_Tos/Calc:_YEAR_function|<div style="font-size: 120%;">Year]]
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* [[Documentation/How_Tos/Calc:_MONTH_function|<div style="font-size: 120%;">Month]]
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* [[Documentation/How_Tos/Calc:_DAY_function|<div style="font-size: 120%;">Day]]
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* [[Documentation/How_Tos/Calc:_WEEKDAY_function|<div style="font-size: 120%;">Weekday]]
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* [[Documentation/How_Tos/Calc:_HOUR_function|<div style="font-size: 120%;">Hour]]
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* [[Documentation/How_Tos/Calc:_MINUTE_function|<div style="font-size: 120%;">Minute]]
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* [[Documentation/How_Tos/Calc:_SECOND_function|<div style="font-size: 120%;">Second]]
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* [[Documentation/How_Tos/Calc:_DATE_function|<div style="font-size: 120%;">Date]]
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* [[Documentation/How_Tos/Calc:_DATEVALUE_function|<div style="font-size: 120%;">Datevalue]]
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* [[Documentation/How_Tos/Calc:_TIME_function|<div style="font-size: 120%;">Time]]
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* [[Documentation/How_Tos/Calc:_TIMEVALUE_function|<div style="font-size: 120%;">Timevalue]]
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* [[Documentation/How_Tos/Calc:_EOMONTH_function|<div style="font-size: 120%;">Eomonth]]
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* [[Documentation/How_Tos/Calc:_EDATE_function|<div style="font-size: 120%;">Edate]]
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* [[Documentation/How_Tos/Calc:_WORKDAY_function|<div style="font-size: 120%;">Workday]]
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* [[Documentation/How_Tos/Calc:_NETWORKDAYS_function|<div style="font-size: 120%;">Networkdays]]
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* [[Documentation/How_Tos/Calc:_DAYS_function|<div style="font-size: 120%;">Days]]
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* [[Documentation/How_Tos/Calc:_DAYS360_function|<div style="font-size: 120%;">Days360]]
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* [[Documentation/How_Tos/Calc:_DAYSINMONTH_function|<div style="font-size: 120%;">Daysinmonth]]
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* [[Documentation/How_Tos/Calc:_DAYSINYEAR_function|<div style="font-size: 120%;">Daysinyear]]
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* [[Documentation/How_Tos/Calc:_WEEKS_function|<div style="font-size: 120%;">Weeks]]
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* [[Documentation/How_Tos/Calc:_WEEKSINYEAR_function|<div style="font-size: 120%;">Weeksinyear]]
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* [[Documentation/How_Tos/Calc:_WEEKNUM_function|<div style="font-size: 120%;">Weeknum]]
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* [[Documentation/How_Tos/Calc:_WEEKNUM_ADD_function|<div style="font-size: 120%; border-style: double; border-color:#778899;">Weeknum_add]]
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* [[Documentation/How_Tos/Calc:_MONTHS_function|<div style="font-size: 120%;">Months]]
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* [[Documentation/How_Tos/Calc:_YEARS_function|<div style="font-size: 120%;">Years]]
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* [[Documentation/How_Tos/Calc:_ISLEAPYEAR_function|<div style="font-size: 120%;">Isleapyear]]
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* [[Documentation/How_Tos/Calc:_EASTERSUNDAY_function|<div style="font-size: 120%;">Eastersunday]]
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* [[Documentation/How_Tos/Calc:_YEARFRAC_function|<div style="font-size: 120%;">Yearfrac]]
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}}__TOC__
  
 
== WEEKNUM_ADD ==
 
== WEEKNUM_ADD ==
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=== Syntax: ===
 
=== Syntax: ===
 
<tt>'''WEEKNUM_ADD(date; mode)'''</tt>
 
<tt>'''WEEKNUM_ADD(date; mode)'''</tt>
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: returns the 'conventional' non-ISO week number, where week 1 is the week that contains January 1st.
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: returns the 'conventional' non-ISO week number, where week 1 is the week that contains January 1st.  
  
 
: <tt>'''date'''</tt> is the date as a date-time serial number or as text.
 
: <tt>'''date'''</tt> is the date as a date-time serial number or as text.
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: <tt>'''mode'''</tt> specifies which day is considered the first day of the week: <tt>'''1'''</tt> for Sunday, <tt>'''2'''</tt> for Monday.
 
: <tt>'''mode'''</tt> specifies which day is considered the first day of the week: <tt>'''1'''</tt> for Sunday, <tt>'''2'''</tt> for Monday.
  
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: <tt>'''WEEKNUM_ADD'''</tt> mimics the behaviour of the <tt>'''[[Documentation/How_Tos/Calc: WEEKNUM function|WEEKNUM]]'''</tt> function in Excel.
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: <tt>'''WEEKNUM_ADD'''</tt> mimics the behaviour of the <tt>'''WEEKNUM'''</tt> function in Excel. Calc's <tt>[[Documentation/How_Tos/Calc: WEEKNUM function|WEEKNUM]]</tt> function returns the international standard ISO8601 week number.
  
 
=== Example: ===
 
=== Example: ===
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<tt>'''WEEKNUM_ADD("2010/01/07"; 2)'''</tt>
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<tt>'''WEEKNUM_ADD("2010-01-07"; 2)'''</tt>
 
: returns <tt>'''2'''</tt>. 7Jan10 is a Thursday, and 1Jan10 is the Friday of the preceding week.
 
: returns <tt>'''2'''</tt>. 7Jan10 is a Thursday, and 1Jan10 is the Friday of the preceding week.
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=== See also: ===
 
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'''[[Documentation/How_Tos/Calc: WEEKNUM function|WEEKNUM]]'''
 
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'''[[Documentation/How_Tos/Calc: Date & Time functions|Date & Time functions]]'''
 
−
 
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'''[[Documentation/How_Tos/Calc: Date & Time functions#Date and Time overview|Date & Time overview]]'''
 
  
 
=== Issues: ===
 
=== Issues: ===
 
*<tt>'''WEEKNUM_ADD'''</tt> is called <tt>'''WEEKNUM'''</tt> in the forthcoming ODFF standard.
 
*<tt>'''WEEKNUM_ADD'''</tt> is called <tt>'''WEEKNUM'''</tt> in the forthcoming ODFF standard.
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{{SeeAlso|EN|
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* [[Documentation/How_Tos/Calc: WEEKNUM function|WEEKNUM]]
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* [[Documentation/How_Tos/Calc: YEAR function|YEAR]]
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* [[Documentation/How_Tos/Calc: MONTH function|MONTH]]
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* [[Documentation/How_Tos/Calc: DAY function|DAY]]
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* [[Documentation/How_Tos/Calc: WEEKDAY function|WEEKDAY]]
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* [[Documentation/How_Tos/Calc: HOUR function|HOUR]]
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* [[Documentation/How_Tos/Calc: MINUTE function|MINUTE]]
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* [[Documentation/How_Tos/Calc: SECOND function|SECOND]]
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* [[Documentation/How_Tos/Calc: Date & Time functions#Date and Time overview|Date & Time overview]]
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* [[Documentation/How_Tos/Calc: Date & Time functions|Date & Time functions]]
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* [[Documentation/How_Tos/Calc: Functions listed alphabetically|Functions listed alphabetically]]
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* [[Documentation/How_Tos/Calc: Functions listed by category|Functions listed by category]]}}
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[[Category: Documentation/Reference/Calc/Date and Time functions]]

Revision as of 07:54, 17 July 2018


WEEKNUM_ADD

Returns the non-ISO week number of a given date.

This function is only available if the Analysis AddIn is installed.

Syntax:

WEEKNUM_ADD(date; mode)

returns the 'conventional' non-ISO week number, where week 1 is the week that contains January 1st.
date is the date as a date-time serial number or as text.
mode specifies which day is considered the first day of the week: 1 for Sunday, 2 for Monday.
WEEKNUM_ADD mimics the behaviour of the WEEKNUM function in Excel. Calc's WEEKNUM function returns the international standard ISO8601 week number.

Example:

WEEKNUM_ADD("2010-01-07"; 2)

returns 2. 7Jan10 is a Thursday, and 1Jan10 is the Friday of the preceding week.

Issues:

  • WEEKNUM_ADD is called WEEKNUM in the forthcoming ODFF standard.


See Also
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