DavisVaughan / warp

Group Dates

https://davisvaughan.github.io/warp/

warp_wday_from_days()

DavisVaughan opened this issue 4 years ago · comments

Davis Vaughan commented 4 years ago

http://howardhinnant.github.io/date_algorithms.html#weekday_from_days

(z >= -4 ? (z+4) % 7 : (z+5) % 7 + 6)