From: nobu@... Date: 2014-05-07T00:19:03+00:00 Subject: [ruby-core:62436] [ruby-trunk - Bug #9809] Date.new(2000, 1, 1).cweek should == 1 Issue #9809 has been updated by Nobuyoshi Nakada. Duplicates Bug #9372: Date function cweek reports innaccurately for the date December 30, 2013 added ---------------------------------------- Bug #9809: Date.new(2000,1,1).cweek should == 1 https://bugs.ruby-lang.org/issues/9809#change-46583 * Author: Ben Zhu * Status: Closed * Priority: Normal * Assignee: * Category: core * Target version: * ruby -v: 2.1.1 * Backport: 2.0.0: UNKNOWN, 2.1: UNKNOWN ---------------------------------------- I run `Date.new(2000,1,1).cweek`, the result is 52. My Ruby version is 2.1.1 -- https://bugs.ruby-lang.org/