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Ruby ã§ 24 æ™‚è¶…ãˆã®æ™‚é–“ã‚’æ¥½ã¡ã‚“ã«ãƒ‘ãƒ¼ã‚¹ã™ã‚‹æ–¹æ³• - Qiita
ã¯ã˜ã‚ã« ã¿ãªã•ã‚“ã€2014-08-14 26:00 ã¿ãŸã„ãªæ™‚é–“ã‚’æ‰±ãŠã†ã¨ã—ã¦å›°ã£ã¦ã¾ã›ã‚“ã‹ï¼Ÿ æ–‡å—ã¨ã—ã¦ä¿å˜ã™ã‚‹ã ã‘ãªã‚‰ã¾ã ã—ã‚‚ã€ã“ã‚Œã‚’å…ƒã«ç¾åœ¨æ™‚åˆ»ã¨æ¯”è¼ƒã—ã¦ãƒ»ãƒ»ãƒ»ã¨ã‹ã‚„ã‚ã†ã¨ã™ã‚‹ã¨è‰²ã€…å¤§å¤‰ã§ã™ã€‚ ã“ã®è¨˜äº‹ã§ã¯ãã‚“ãª24æ™‚é–“è¶…ãˆã®æ™‚é–“ã‚’æ¥½ã¡ã‚“ã«æ‰±ã†ã“ã¨ãŒã§ãã‚‹ Chronic ã¨ã„ã† gem ã‚’ç´¹ä»‹ã—ã¾ã™ã€‚ ãã‚‚ãã‚‚ä½•ãŒå›°ã‚‹ã®ã‹ Ruby ã® time ãƒ©ã‚¤ãƒ–ãƒ©ãƒªã«ã¯å¤§å¤‰ä¾¿åˆ©ãª Time.parse ãƒ¡ã‚½ãƒƒãƒ‰ãŒã‚ã‚Šã¾ã™ã€‚ ãŒã€å›°ã£ãŸã“ã¨ã«ã“ã„ã¤ã¯ 26:00 ã¿ãŸã„ãªæ™‚é–“ã¯ç†è§£ã—ã¦ãã‚Œã¾ã›ã‚“ã€‚ irb ã§å®Ÿè¡Œã—ã¦ã¿ã‚‹ã¨ä»¥ä¸‹ã®æ§˜ãªã‚¨ãƒ©ãƒ¼ãŒã§ã¾ã™ã€‚ >> Time.parse('2014-08-14 26:00') ArgumentError: argument out of range æ—¥ä»˜ã¯ 2014-02-31 ã¨ã‹ã§ã‚‚è‰¯ãã«è¨ˆã‚‰ã£ã¦ãã‚Œã‚‹ã®ã«ã€æ™‚é–“ã¯ã™ã”ããã£ã¡ã‚Šã—ã¦ã„ã¾ã™ã€‚ 24
pinzolo 2014/08/19
ruby

time

gem

chronic
ãƒªãƒ³ã‚¯
Rails ã¨æ™‚åˆ» - @kyanny's blog
æ™‚åˆ»ã®æ‰±ã„ã¯é›£ã—ã„ã€‚ã‚¿ã‚¤ãƒ ã‚¾ãƒ¼ãƒ³ã‚’è·¨ãã¨æ ¼åˆ¥ã«é›£ã—ã„ã€‚ Rails ã‚’ä½¿ã£ã¦ã„ã¦ã‚‚é›£ã—ã•ã«å¤‰ã‚ã‚Šã¯ãªã„ã€‚ã‚€ã—ã‚æ™‚åˆ»ã®ã‚„ã£ã‹ã„ãªéƒ¨åˆ†ã‚’éš è”½ã—ã¦ãã‚Œã‚‹ãŒæ•…ã«ä½™è¨ˆã«ã‚„ã‚„ã“ã—ããªã‚‹ã“ã¨ã‚‚ã‚ã‚‹ã€‚ config.time_zone ã¨ config.active_record.default_timezone Rails ã‚¢ãƒ—ãƒªã‚±ãƒ¼ã‚·ãƒ§ãƒ³ã§æ™‚åˆ»ã‚’å¸ã‚‹ä»£è¡¨çš„ãªè¨å®šå€¤ã¯ config.time_zone ã¨ config.active_record.default_timezone ã ã€‚ã„ãšã‚Œã‚‚ config/application.rb ã§è¨å®šã§ãã‚‹ã€‚è©³ç´°ã¯ Ruby on Rails Guides: Configuring Rails Applications å‚ç…§ã€‚ config.time_zone ã§ã‚¢ãƒ—ãƒªã‚±ãƒ¼ã‚·ãƒ§ãƒ³ã®ã‚¿ã‚¤ãƒ ã‚¾ãƒ¼ãƒ³ã‚’è¨å®šã™ã‚‹ã€‚ãƒ‡ãƒ•ã‚©ãƒ«ãƒˆã§ã¯ UTC ã«ãªã‚‹ã€‚æ—¥æœ¬å‘ã‘ã®ã‚¦ã‚§ãƒ–ã‚µã‚¤ãƒˆã§
pinzolo 2012/08/16
ruby

rails

time

date
ãƒªãƒ³ã‚¯
Rails 3 ã§ RDBã«æ›¸ã‹ã‚Œã‚‹æ™‚é–“ã‚’æ—¥æœ¬æ™‚é–“ã«ã™ã‚‹ã«ã¯ - yuumi3ã®ãŠä»•äº‹æ—¥è¨˜
ç¾åœ¨ Ruby on Rails 3.0 ã§ã‚ã‚‹ã‚µãƒ¼ãƒ“ã‚¹ã‚’ä½œã£ã¦ã„ã¾ã™ãŒã€ Rails 2.X ã¨é•ã„ RDB ã«æ›¸ã‹ã‚Œã‚‹æ™‚é–“ãŒ UTC (å”å®šä¸–ç•Œæ™‚) ã§ã‹ã‹ã‚Œã¾ã™ã€‚ å›½éš›å¯¾å¿œã™ã‚‹äºˆå®šã®ã‚¢ãƒ—ãƒªãªã‚‰ã“ã‚Œã§è‰¯ã„ã®ã§ã™ãŒã€æ—¥æœ¬å‘ã‘ã®ã‚µãƒ¼ãƒ“ã‚¹ã®å ´åˆã¯ãƒ¡ãƒ³ãƒ†ãƒŠãƒ³ã‚¹æ€§ã‚’è€ƒãˆã‚‹ã¨ RDB ã«ã¯æ—¥æœ¬æ™‚é–“(JST)ã§æ›¸ã‹ã‚ŒãŸæ–¹ãŒè‰¯ã„ã®ã§å¯¾å¿œã—ã‚ˆã†ã¨ã—ãŸã¨ã“ã‚ä¸€ç‹ç¸„ã§ã¯è¡Œãã¾ã›ã‚“ã§ã—ãŸã€‚ Railsã®è¨å®š config/application.rb (Rails2ã® config/environment.rb ã«å¯¾å¿œã™ã‚‹ãƒ•ã‚¡ã‚¤ãƒ«)ã«ã€ã‚³ãƒ¡ãƒ³ãƒˆã‚¢ã‚¦ãƒˆã•ã‚ŒãŸ config.time_zone = 'Central Time (US & Canada)' ã¨ã„ã†è¨å®šãŒã‚ã£ãŸã®ã§ config.time_zone = 'Tokyo' ã¨ã—ã¦ã¿ã¾ã—ãŸãŒã€ãªãœã‹ã¾ã UTCã§å‹•ä½œã—ã¦ã„ã¾ã™ï¼Ÿ rails3 time_zo
pinzolo 2011/02/14
rails3

time
ãƒªãƒ³ã‚¯
Rails ã® Date, Time æ‹¡å¼µ - happy lie, happy life
ActiveSupport ã«ã‚ˆã‚‹ Date, Time ã‚¯ãƒ©ã‚¹ã®æ‹¡å¼µã¾ã¨ã‚ã€‚ãƒãƒ¼ã‚¸ãƒ§ãƒ³ã¯ 2.0.2 æº–æ‹ ã€‚ã‚½ãƒ¼ã‚¹ã‚’èªã‚“ã§ script/console ã§å‹•ä½œç¢ºèªã‚’è¡Œã£ã¦ã„ã¾ã™ã€‚ ç›¸äº’ç½®æ› Date ã§ã‚‚ Time ã§ã‚‚ã€ãã‚Œãžã‚Œ to_time ãŠã‚ˆã³ to_date ã§ç›¸äº’ã«ç½®æ›ã§ãã¾ã™ã€‚ å¿…è¦ã§ã‚ã‚Œã° to_datetime ã§ DateTime åž‹ã¸ã®å¤‰æ›ã‚‚å¯èƒ½ã§ã™ã€‚ to_s ã®æ‹¡å¼µ to_s ã«å¼•æ•°ã‚’ã¤ã‘ã‚‹äº‹ã§ã€æ‰€å®šã®å½¢å¼ã§å‡ºåŠ›ã—ã¦ãã‚Œã¾ã™ã€‚ Time.now.to_s(:db) => "2008-2-23 17:49:29" å¼•æ•°ã¨å‡ºåŠ›ã®å¯¾å¿œã¯ä»¥ä¸‹ã®ã¨ãŠã‚Šã€‚ Time å¼•æ•°å‡ºåŠ› :db%Y-%m-%d %H:%M:%S :time%H:%M :short%d %b %H:%M :long%B %d, %Y %H:%M :long_ordinallambda { |time
pinzolo 2011/01/14
rails

date

time
ãƒªãƒ³ã‚¯
Ruby On Rails ãƒ”ãƒã‚«ãƒ¼ãƒˆè¡—é“ - Rails 2.1ãƒ»ãã®ï¼‘ï¼’(DBã«ç™»éŒ²ã—ã¦ã‚ã‚‹UTCæ—¥ä»˜ãƒ‡ãƒ¼ã‚¿ã‚’ç°¡å˜å¤‰æ›) -
Rails2.1ã§æ—¥æ™‚(timestamp)ã‚«ãƒ©ãƒ ã‚’ãƒ†ãƒ¼ãƒ–ãƒ«ã«ä½œã£ã¦ã‚»ãƒ¼ãƒ–ã™ã‚‹ã¨UTCæ™‚é–“ã§è¨˜éŒ²ã•ã‚Œã¾ã™ã€‚ ãã‚Œã¯ã€ãªãœã‹ã¨ã„ã†ã¨ config/environment.rb ãƒ•ã‚¡ã‚¤ãƒ«ã« config.time_zone = 'UTC' ã¨æ›¸ã„ã¦ã‚ã‚‹ã‹ã‚‰ã§ã™ã€‚ ä»Šå›žã¯ã€ã“ã® 'UTC' ã¨ã„ã†å€¤ãŒãƒŸã‚½ã«ãªã‚Šã¾ã™ã€‚ ã“ã‚Œã‚’ 'Tokyo' ã«å¤‰ãˆã¦ã‚‚ã€DB ã«ã¯ã‚„ã£ã±ã‚ŠUTCæ™‚é–“ã§è¨˜éŒ²ã•ã‚Œã¾ã™ã€‚ ã˜ã‚ƒã‚ä½•ãŒé•ã†ã‚“ã§ã™ã‹ï¼Ÿã£ã¦ã„ã†ã¨ã€ãƒ¢ãƒ‡ãƒ«ã‚’ä½¿ç”¨ã—ã¦å€¤ã‚’å–ã£ã¦ãã‚‹ã¨è¨å®šã—ãŸã‚¿ã‚¤ãƒ ã‚¾ãƒ¼ãƒ³ã§ã®å€¤ã¨ãªã‚Šã¾ã™ã€‚ ä¾‹ãˆã°ã€ UTCçš„ã«è¨€ã†ã¨ 2008/06/08 02:52:00 ã ã£ãŸã‚‰ ã‚¿ã‚¤ãƒ ã‚¾ãƒ¼ãƒ³ãŒUTCã®å ´åˆã¯ Sun, 08 Jun 2008 02:52:00 UTC +00:00 ã‚’å–å¾—ã—ã€ ã‚¿ã‚¤ãƒ ã‚¾ãƒ¼ãƒ³ãŒTokyoã®å ´åˆã¯ Sun, 08 Jun 2008 11:52:00 JST +09
pinzolo 2009/05/12
[UTC}

rails

Time
ãƒªãƒ³ã‚¯
1