ISO8601(MONDAY1/4)Weeknumber
calendar rules
WEEK START:Monday
YEAR START:Contains January4
OTHER WEEKNUMBER STYLES
ISO(1/1)
|ISO8601(1/4)|
USA(1/1)
|
USA(1/4)
|
SAT(1/1)
TODAY
。
年
月
日
ISO(MONDAY1/4)WEEKNUMBER
Since2022
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