WEEKNUM_OOO
WEEKNUM_OOO рдЖрдиреНрддрд░рд┐рдХ рдорд┐рддрд┐ рдорд╛рдирдХрд╛ рд▓рд╛рдЧрд┐ рд╡рд░реНрд╖рдХреЛ рд╣рдкреНрддрд╛ рд╕рдЩреНрдЦреНрдпрд╛ рдЧрдгрдирд╛ рдЧрд░реНрджрдЫред
This function exists for interoperability with LibreOffice releases older than 5.1.0 and OpenOffice.org. It calculates week numbers for a week numbering system in that week number 1 is the week that contains the January 4th. This function does not provide interoperability with other spreadsheet applications. For new documents use the WEEKNUM or ISOWEEKNUM function instead.
WEEKNUM(рд╕рдЩреНрдЦреНрдпрд╛; рдореЛрдб)
рд╕рдЩреНрдЦреНрдпрд╛рдЖрдиреНрддрд░рд┐рдХ рдорд┐рддрд┐ рд╕рдЩреНрдЦреНрдпрд╛ рд╣реЛ ред
рдореЛрдб рд╣рдкреНрддрд╛рдХреЛ рд╕реБрд░реБ рд░ рдЧрдгрдирд╛ рдкреНрд░рдХрд╛рд░ рд╕реЗрдЯ рдЧрд░реНрджрдЫ ред
рез = рдЖрдЗрддрдмрд╛рд░
2 = Monday (ISO 8601)
any other value = Monday (ISO 8601)
=WEEKNUM_OOO(DATE(1995;1;1);1) returns 1
=WEEKNUM_OOO(DATE(1995;1;1);2) returns 52. Week 1 starts on Monday, 1995-01-02.