hara-y-u
hara-y-u
/ week_index_in_month.rb
Created
January 10, 2025 05:15
Calculate week index in month / Rubyで特定日が何番目の週か計算
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| require "date" | |
| # Days from day one to first saturday are result in index 1 | |
| def week_index_in_month(date) | |
| first_day_of_month = Date.new(date.year, date.month, 1) | |
| ((date.day + first_day_of_month.wday) / 7.0).ceil | |
| end | |
| # Days from day one to seven are result in index 1 | |
| def week_index_in_month(date) |