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by andreareina
1930 days ago
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In the ISO week date system[1], 2021-01-03 is in the year 2020. Under the system all weeks have 7 days and start on Monday. The tradeoff is that the ISO year is out of sync with the calendar year around the end/beginning of the year. [1] https://en.wikipedia.org/wiki/ISO_week_date |
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