1. 2019-01-31 [ruby-core:91359] [Ruby trunk Bug#15340] Time.local b ruby-core usa 2. 2019-01-16 [ruby-core:91126] [Ruby trunk Bug#15340] Time.local b ruby-core nagachika00 3. 2018-11-25 [ruby-core:90061] [Ruby trunk Bug#15340] Time.local b ruby-core naruse 4. 2018-11-25 [ruby-core:90060] [Ruby trunk Bug#15340] Time.local b ruby-core dmikurube