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【Rails 7】アプリを日本時間に

Last updated at Posted at 2024-03-16

【Rails 7】アプリを日本時間に

前提

・Ruby 3.2.2
・Rails 7.0.8

config/application.rbファイルの編集

タイムゾーンを変更する

config\application.rb
class Application < Rails::Application
    config.time_zone = "Asia/Tokyo"
end

表記の変更

年:%Y、月:%m、日:%d
時:%H、分:%M、秒:%s

スラッシュや漢字などを挟むときは、上記表記の間にそのまま入れる

html.erb
<%= user.created_at.strftime('%Y/%m/%d') %>
<%= user.created_at.strftime('%Y/%m/%d %H:%M:%S') %>
<%= user.created_at.strftime('%Y年%m月%d日') %>
<%= user.created_at.strftime('%Y年%m月%d日 %H時%M分%S秒') %>
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