day of the week / multiyear addition 2.0









Year Sun Mon Tue Wed Thu Fri Sat
2005T
2006W
2007T
2008S
2009S
2010M
2011T
2012T
2013F
2014S
2015S
2016T
2017W
2018T
2019F
2020S
2021M
2022T
2023W
2024F
2025S
2026S
2027M
2028W
2029T
2030F
2031S
2032M
2033T
2034W
2035T
2036S
2037S
2038M
2039T
2040T
2041F
2042S
2043S
2044T
2045W

Code made in conjuction with ChatGPT. See this blog entry for details