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## WEEKNUM

WEEKNUM calculates the week number of the year for the internal date value as defined in ODF OpenFormula and compatible with other spreadsheet applications.

Supported are two week numbering systems:

System 1: The week containing January 1 is the first week of the year, and is numbered week 1.

System 2: The week containing the first Thursday of the year is the first week of the year, and is numbered week 1. That means that week number 1 of any year is the week that contains January 4th. ISO 8601 defines this system and that the week starts on Monday.

### བརྡ་སྤྲོད།

WEEKNUM(value; mode)

valueནི་ཚེས་གྲངས་ཀྱི་ནང་ཁུལ་རིམ་སྟར་གྲངང་ཡིན།

Mode sets the start of the week and the week numbering system. This parameter is optional, if omitted the default value is 1.

1 = Sunday, system 1

2 = Monday, system 1

11 = Monday, system 1

12 = Tuesday, system 1

13 = Wednesday, system 1

14 = Thursday, system 1

15 = Friday, system 1

16 = Saturday, system 1

17 = Sunday, system 1

21 = Monday, system 2 (ISO 8601)

150 = Monday, system 2 (ISO 8601, for interoperability with Gnumeric)

### དཔེ་གཞི།

=WEEKNUM(DATE(1995;1;1);1) returns 1

WEEKNUM("1/1/95";2) ཡི་རྩིས་རྒྱག་འབྲས་བུ་ནི་ 52ཡིན། རྒྱུ་མཚན་ནི་གཟའ་འཁོར་རེ་རེའི་ཉིན་དང་པོ་ནི་གཟའ་ཟླ་བར་བཀོད་སྒྲིག་བྱས་པས་ དེར་བརྟེན་གཟའ་ཉི་མ་འདི་ལོ་སྔ་མའི་མཇུག་མཐའི་གཟའ་འཁོར་ལ་གཏོགས།

=WEEKNUM(DATE(1995;1;1);21) returns 52. Week 1 starts on Monday, 1995-01-02.

=WEEKNUM(DATE(1999;1;1);21) returns 53. Week 1 starts on Monday, 1999-01-04.