{"id":16204,"date":"2017-07-25T08:49:47","date_gmt":"2017-07-24T23:49:47","guid":{"rendered":"http:\/\/www.sejuku.net\/blog\/?p=16204"},"modified":"2024-05-06T11:40:38","modified_gmt":"2024-05-06T02:40:38","slug":"%e3%80%90%e3%82%a8%e3%83%b3%e3%82%b8%e3%83%8b%e3%82%a2%e7%9b%a3%e4%bf%ae%e3%80%91ruby%e3%81%a7time%e3%82%92%e6%89%b1%e3%81%865%e3%81%a4%e3%81%aetips%ef%bc%81","status":"publish","type":"post","link":"https:\/\/www.sejuku.net\/blog\/16204","title":{"rendered":"\u3010\u5b8c\u5168\u7db2\u7f85\u3011Ruby\u306eTime\u4f7f\u3044\u65b9\u307e\u3068\u3081"},"content":{"rendered":"<p>\u3053\u3093\u306b\u3061\u306f\uff01\u30d5\u30ea\u30fc\u30a8\u30f3\u30b8\u30cb\u30a2\u306e\u9577\u702c\u3067\u3059\u3002\u307f\u306a\u3055\u3093\u3001Ruby\u306e\u52c9\u5f37\u306f\u9032\u3093\u3067\u3044\u307e\u3059\u304b\uff1f<\/p>\n<p>Ruby\u306eTime\u306b\u306f\u5b9f\u7528\u7684\u3067\u7d30\u304b\u3044\u8868\u73fe\u304c\u305f\u304f\u3055\u3093\u3042\u308a\u307e\u3059\u3002Time\u3092\u4f7f\u3044\u3053\u306a\u305b\u3070\u3001\u4eca\u5f8c\u6642\u9593\u306e\u8a08\u7b97\u306b\u60a9\u3080\u3053\u3068\u306f\u306a\u304f\u306a\u308b\u3067\u3057\u3087\u3046\u3002\u3053\u306e\u8a18\u4e8b\u3067\u306f\u3001Ruby\u306eTime\u306e\u4f7f\u3044\u65b9\u306b\u3064\u3044\u3066<\/p>\n<div class=\"box01\">\n<ul>\n<li><b>\u65e5\u6642\u3092\u6307\u5b9a\u3059\u308b<\/b><\/li>\n<li><b>\u6642\u9593\u306e\u8981\u7d20\u3092\u53d6\u308a\u51fa\u3059<\/b><\/li>\n<li><b>\u6642\u9593\u306e\u6f14\u7b97\u65b9\u6cd5<\/b><\/li>\n<li><b>\u6587\u5b57\u5217\u3092\u5909\u63db<\/b><\/li>\n<li><b>format\u306e\u6307\u5b9a<\/b><\/li>\n<li><b>active_support\u3067\u4f7f\u3048\u308b\u30e1\u30bd\u30c3\u30c9\u3092\u5897\u3084\u3059<\/b><\/li>\n<\/ul>\n<\/div>\n<p>\u3068\u3044\u3046\u3088\u3046\u306b\u3001\u57fa\u672c\u7684\u306a\u5185\u5bb9\u304b\u3089\u3001\u4e00\u6b69\u9032\u3093\u3060\u5185\u5bb9\u307e\u3067\u89e3\u8aac\u3057\u3066\u3044\u304d\u307e\u3059\u3002<\/p>\n<h2>\u57fa\u672c\u7684\u306aTime\u306e\u4f7f\u3044\u65b9<\/h2>\n<h3>\u65e5\u6642\u3092\u6307\u5b9a\u3059\u308b<\/h3>\n<p>\u305d\u308c\u3067\u306f\u3001\u307e\u305a\u306f\u65e5\u6642\u3092\u8868\u73fe\u3059\u308b\u65b9\u6cd5\u3092\u5b66\u3093\u3067\u3044\u304d\u307e\u3057\u3087\u3046\u3002\u65e5\u6642\u3092\u6307\u5b9a\u3059\u308b\u65b9\u6cd5\u306b\u306f\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u69d8\u3005\u306a\u6307\u5b9a\u65b9\u6cd5\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>[Time\u3067\u65e5\u6642\u3092\u6307\u5b9a\u3059\u308b\u65b9\u6cd5]<\/p>\n<pre class=\"lang:ruby decode:true \">p \"Time.now:#{Time.now}\"  #\u73fe\u5728\u306e\u65e5\u6642\u3092\u6307\u5b9a\u3059\u308b\r\np \"Time.local:#{Time.local(2015,3,14,12,33,12) }\"  #\u4efb\u610f\u306b\u6642\u523b\u3092\u6307\u5b9a\u3059\u308b\r\np \"Time.at:#{Time.at(1343234526)}\"  #Unix\u30a8\u30dd\u30c3\u30af\u304b\u3089\u4f55\u79d2\u7d4c\u904e\u3057\u305f\u304b\u3066\u65e5\u6642\u3092\u6307\u5b9a\u3059\u308b\r\np \"Time.mktime:#{Time.mktime(2015,3,14,12,33,12)}\"   #Time.local\u3068\u540c\u3058<\/pre>\n<p>[\u5b9f\u884c\u7d50\u679c]<\/p>\n<pre class=\"striped:false marking:false ranges:false nums:false nums-toggle:false lang:default decode:true \">\"Time.now:2017-07-24 16:32:56 +0900\"\r\n\"Time.local:2015-03-14 12:33:12 +0900\"\r\n\"Time.at:2012-07-26 01:42:06 +0900\"\r\n\"Time.mktime:2015-03-14 12:33:12 +0900\"<\/pre>\n<p>Time.now\u306f\u73fe\u5728\u6642\u523b\u3092\u53d6\u5f97\u3001Time.local\u307e\u305f\u306fTime.mktime\u306f\u4efb\u610f\u6642\u523b\u3092\u6307\u5b9a\u3001Time.at\u306funix\u30a8\u30dd\u30c3\u30af(1970\u5e741\u67081\u65e5)\u304b\u3089\u4f55\u79d2\u7d4c\u904e\u3057\u305f\u304b\u3067\u65e5\u6642\u3092\u6307\u5b9a\u3057\u307e\u3059\u3002\u57fa\u672c\u7684\u306b\u3001\u73fe\u5728\u6642\u523b\u3092\u53d6\u5f97\u3057\u305f\u3044\u3068\u304d\u306fTime.now\u3067\u3001\u4efb\u610f\u306e\u6642\u523b\u3092\u6307\u5b9a\u3057\u305f\u3044\u6642\u306fTime.local\u3092\u4f7f\u3044\u307e\u3059\u3002<\/p>\n<h3>\u6642\u9593\u306e\u8981\u7d20\u3092\u53d6\u308a\u51fa\u3059<\/h3>\n<p>Ruby\u3067\u306f\u3001\u6307\u5b9a\u3057\u305f\u6642\u523b\u304b\u3089\u5e74\u3001\u6708\u3001\u65e5\u306a\u3069\u306e\u60c5\u5831\u3092\u53d6\u308a\u51fa\u305b\u307e\u3059\u3002<\/p>\n<p>[\u6307\u5b9a\u3057\u305f\u6642\u523b\u304b\u3089\u6642\u9593\u8981\u7d20\u3092\u53d6\u308a\u51fa\u3059]<\/p>\n<pre class=\"lang:ruby decode:true \">time = Time.new\r\np time\r\np time.year        #\u5e74\r\np time.month       #\u6708\r\np time.day         #\u65e5\r\np time.hour        #\u6642\r\np time.min         #\u5206\r\np time.sec         #\u79d2\r\np \"\u66dc\u65e5\u756a\u53f7:#{time.wday}\" #\u65e5\u66dc\u65e5\u30920\u3068\u3057\u305f\u66dc\u65e5\u756a\u53f7\r\np \"time\u306e\u5e74\u306e1\u67081\u65e5\u304b\u3089\u4f55\u65e5\u7d4c\u904e\u3057\u305f\u304b:#{time.yday}\" #time\u306e\u5e74\u306e1\u67081\u65e5\u304b\u3089\u4f55\u65e5\u7d4c\u904e\u3057\u305f\u304b\r\np \"\u30bf\u30a4\u30e0\u30be\u30fc\u30f3\u306e\u78ba\u8a8d:#{time.zone}\" #\u30bf\u30a4\u30e0\u30be\u30fc\u30f3\u306e\u78ba\u8a8d<\/pre>\n<p>[\u5b9f\u884c\u7d50\u679c]<\/p>\n<pre class=\"striped:false marking:false ranges:false nums:false nums-toggle:false lang:default decode:true \">2017-07-24 16:47:04 +0900\r\n2017\r\n7\r\n24\r\n16\r\n47\r\n4\r\n\"\u66dc\u65e5\u756a\u53f7:1\"\r\n\"time\u306e\u5e74\u306e1\u67081\u65e5\u304b\u3089\u4f55\u65e5\u7d4c\u904e\u3057\u305f\u304b:205\"\r\n\"\u30bf\u30a4\u30e0\u30be\u30fc\u30f3\u306e\u78ba\u8a8d:JST\"<\/pre>\n<p>\u3053\u306e\u3088\u3046\u306bRuby\u306eTime\u3067\u306f\u5e74\u3001\u6708\u3001\u65e5\u3001\u5206\u3001\u79d2\u306e\u8981\u7d20\u3092\u53d6\u308a\u51fa\u3059\u3060\u3051\u3067\u306a\u304f\u3001\u66dc\u65e5\u756a\u53f7\u3001\u6307\u5b9a\u3057\u305f\u65e5\u6642\u306e\u5e74\u306e\u521d\u3081\u304b\u3089\u4f55\u65e5\u7d4c\u904e\u3057\u305f\u306e\u304b\u3001\u30bf\u30a4\u30e0\u30be\u30fc\u30f3\u306e\u78ba\u8a8d\u3068\u69d8\u3005\u306a\u60c5\u5831\u3092\u53d6\u308a\u51fa\u305b\u307e\u3059\u3002<\/p>\n<h3>\u6642\u9593\u306e\u6f14\u7b97\u65b9\u6cd5<\/h3>\n<p>ruby\u306eTime\u3067\u306f\u79d2\u5358\u4f4d\u3067\u3001<b>\u6642\u9593\u306e\u52a0\u7b97<\/b>\u304c\u3067\u304d\u307e\u3059\u3002\u307e\u305f\u3001\u6307\u5b9a\u6642\u9593\u540c\u58eb\u3092\u79d2\u5358\u4f4d\u3067\u6f14\u7b97\u3059\u308b\u3053\u3068\u3082\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>[\u6307\u5b9a\u6642\u9593\u306e\u52a0\u7b97\u3001\u6307\u5b9a\u6642\u9593\u540c\u58eb\u3092\u6f14\u7b97\u3059\u308b]<\/p>\n<pre class=\"lang:ruby decode:true \">time1= Time.local(2016,7,5,12,00,00) #2016\u5e747\u67085\u65e512\u66420\u52060\u79d2\r\ntime2 = Time.now\r\np time1 + 13 #13\u79d2\u5f8c\r\np time1 + 24*60*60*3 #3\u65e5\u5f8c\r\np time1 - 24*60*60*3 #3\u65e5\u524d\r\np time1 + 24*60*60*7 #\u4e00\u9031\u9593\u5f8c\r\np time1 + 24*60*60*365 #\u4e00\u5e74\u5f8c(\u3046\u308b\u3046\u5e74\u3067\u306f\u306a\u3044)\r\np time2 - time1 #\u6307\u5b9a\u65e5\u6642\u306e\u5dee\u5206\u3092\u79d2\u5358\u4f4d\u3067\u8a08\u7b97\u3059\u308b\r\np (time2-time1)\/(24*60*60) #\u79d2\u5358\u4f4d\u304b\u3089\u65e5\u5358\u4f4d\u306b\u5909\u63db\u3059\u308b<\/pre>\n<p>[\u5b9f\u884c\u7d50\u679c]<\/p>\n<pre class=\"striped:false marking:false ranges:false nums:false nums-toggle:false lang:default decode:true \">2016-07-05 12:00:13 +0900\r\n2016-07-08 12:00:00 +0900\r\n2016-07-02 12:00:00 +0900\r\n2016-07-12 12:00:00 +0900\r\n2017-07-05 12:00:00 +0900\r\n33195982.648783\r\n384.2127621386921<\/pre>\n<p>\u3053\u306e\u3088\u3046\u306b\u3001\u6642\u9593\u3092\u52a0\u7b97\u3057\u305f\u308a\u3001\u6307\u5b9a\u3057\u305f\u6642\u9593\u540c\u58eb\u3092\u6f14\u7b97\u3067\u304d\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3067\u304d\u307e\u3057\u305f\u3002\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\u306e\u3088\u3046\u306b\u300124*60*60\u3068\u79d2\u3092\u65e5\u306b\u5909\u63db\u3059\u308b\u5de5\u592b\u3092\u3059\u308c\u3070\u3001\u65e5\u6570\u3092\u6f14\u7b97\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\u307e\u305f\u3001\u5f8c\u534a\u3067\u8aac\u660e\u3059\u308bactive_support\u3068\u3044\u3046gem\u3092\u4f7f\u7528\u3059\u308c\u3070\u3001\u3055\u3089\u306b\u540c\u69d8\u306e\u8a08\u7b97\u3092\u7c21\u7565\u5316\u3067\u304d\u3066\u4fbf\u5229\u3067\u3059\u3002<\/p>\n<p>\u6b21\u306b\u3001\u6642\u9593\u3092\u6bd4\u3079\u3066\u307f\u307e\u3057\u3087\u3046\u3002&gt;\u3084&lt;\u306e\u8a18\u53f7\u3092\u4f7f\u3046\u3053\u3068\u3067\u3001\u6642\u9593\u8ef8\u306b\u6cbf\u3063\u3066\u5927\u5c0f\u95a2\u4fc2\u3092\u8a08\u7b97\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>[\u6307\u5b9a\u3057\u305f\u65e5\u6642\u540c\u58eb\u306e\u5927\u5c0f\u95a2\u4fc2\u3092\u8abf\u3079\u308b]<\/p>\n<pre class=\"lang:ruby decode:true \">time1= Time.local(2016,7,5,12,00,00)\r\ntime2 = Time.now\r\np time1 &gt; time2\r\np time1 &lt; time2<\/pre>\n<p>[\u5b9f\u884c\u7d50\u679c]<\/p>\n<pre class=\"striped:false marking:false ranges:false nums:false nums-toggle:false lang:default decode:true \">false\r\ntrue<\/pre>\n<p>\u3053\u306e\u3088\u3046\u306b\u3001\u7d50\u679c\u306f\u8ad6\u7406\u5024\u3068\u3057\u3066\u8fd4\u3055\u308c\u307e\u3059\u3002time1 &gt; time2\u3067\u306f\u73fe\u5728\u6642\u523b\u306etime2\u306e\u65b9\u304c\u5927\u304d\u3044\u306e\u3067\u3001false\u306b\u306a\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n<h2>\u5fdc\u7528\u7684\u306aTime\u306e\u4f7f\u3044\u65b9<\/h2>\n<h3>\u6587\u5b57\u5217\u3092\u5909\u63db<\/h3>\n<p>Ruby\u3067\u306f\u6642\u9593\u3060\u3068\u5224\u65ad\u3067\u304d\u308b\u3082\u306e\u3092\u81ea\u52d5\u7684\u306bTime\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306b\u5909\u63db\u3057\u3066\u304f\u308c\u308bparse\u3068\u3044\u3046\u4fbf\u5229\u306a\u30e1\u30bd\u30c3\u30c9\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>[parse\u3092\u4f7f\u3063\u3066\u3001Time\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306b\u5909\u63db\u3059\u308b]<\/p>\n<pre class=\"lang:ruby decode:true \">require 'time'\r\n\r\np Time.parse(\"2017\/4\/21 20:13\")\r\np Time.parse(\"03\/01\/2015\")\r\np Time.parse(\"2017-4-21\")<\/pre>\n<p>[\u5b9f\u884c\u7d50\u679c]<\/p>\n<pre class=\"striped:false marking:false ranges:false nums:false nums-toggle:false lang:default decode:true \">2017-04-21 20:13:00 +0900\r\n2015-01-03 00:00:00 +0900\r\n2017-04-21 00:00:00 +0900<\/pre>\n<p>\u3053\u306e\u3088\u3046\u306b\u3001\u6642\u9593\u3068\u5224\u5225\u3067\u304d\u308b\u3082\u306e\u306fTime\u30af\u30e9\u30b9\u3067\u6271\u3048\u308b\u5f62\u5f0f\u306b\u5909\u63db\u3067\u304d\u307e\u3059\u3002\u307e\u305f\u3001parse\u3092\u4f7f\u7528\u3059\u308b\u306b\u306frequire &#8216;time&#8217;\u3092\u5148\u982d\u306b\u8a18\u8ff0\u3057\u3066\u3001<b>\u6709\u52b9\u306b\u3059\u308b\u5fc5\u8981<\/b>\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<h3>format\u306e\u6307\u5b9a<\/h3>\n<p>Time\u3067\u306fstftime\u3092\u4f7f\u3063\u3066\u3001format\u3092\u6307\u5b9a\u3059\u308b\u3053\u3068\u3082\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>[strtime\u3092\u4f7f\u3063\u3066\u3001format\u3092\u6307\u5b9a\u3059\u308b]<\/p>\n<pre class=\"lang:ruby decode:true \">time = Time.now\r\np time\r\np time.strftime(\"[1]\u305f\u3060\u3044\u307e\u306e\u6642\u523b\u306f%Y\u5e74%m\u6708%d\u65e5%H\u6642%M\u5206%S\u79d2\u3067\u3059\u3002\")\r\np time.strftime(\"[2]\u305f\u3060\u3044\u307e\u306e\u6642\u523b\u306f%X\")\r\np time.strftime(\"[3]\u897f\u66a6%Y\u5e74\u3001\u305d\u306e\u4e0b\u4e8c\u6841\u306f%y\u3067\u3059\u3002\")\r\np time.strftime(\"[4]%p%l\u6642\u3001\u305d\u308c\u306f\u3064\u307e\u308a%H\u6642\")\r\np time.strftime(\"[5]\u4eca\u65e5\u306e\u66dc\u65e5\u306f%A\u3001\u7565\u3057\u3066%a\")\r\np time.strftime(\"[6]\u4eca\u6708\u306f%B\u3001\u7565\u3057\u3066%b\u3001\u3064\u307e\u308a%m\u6708\u3067\u3059\u3002\")\r\np time.strftime(\"[7]\u4eca\u65e5\u306f%m\u6708%d\u65e5\u3067\u3059\u3002\")\r\np time.strftime(\"[8]\u4eca\u65e5\u306e\u65e5\u4ed8\u3068\u6642\u523b\u306f%x\u3067\u3059\u3002\")\r\np time.strftime(\"[9]\u3055\u3089\u306b\u8a73\u3057\u304f\u8a00\u3046\u3068\u3001%c\u3067\u3059\u3002\")\r\np time.strftime(\"[10]\u4eca\u65e5\u306f\u4eca\u5e74\u306e1\u67081\u65e5\u304b\u3089%j\u65e5\u76ee\u3067\u3059\u3002\")\r\np time.strftime(\"[11]\u4eca\u9031\u306f\u6700\u521d\u6708\u66dc\u65e5\u3092\u4e00\u9031\u9593\u306e\u59cb\u307e\u308a\u3068\u3057\u3066%W\u9031\u76ee\u3067\u3059\u3002\")\r\np time.strftime(\"[12]\u4eca\u9031\u306f\u6700\u521d\u65e5\u66dc\u65e5\u3092\u4e00\u9031\u9593\u306e\u59cb\u307e\u308a\u3068\u3057\u3066%U\u9031\u76ee\u3067\u3059\u3002\")\r\np time.strftime(\"[13]\u30bf\u30a4\u30e0\u30be\u30fc\u30f3\u306f%Z\")<\/pre>\n<p>[\u5b9f\u884c\u7d50\u679c]<\/p>\n<pre class=\"striped:false marking:false ranges:false nums:false nums-toggle:false lang:default decode:true \">2017-07-24 20:50:08 +0900\r\n\"[1]\u305f\u3060\u3044\u307e\u306e\u6642\u523b\u306f2017\u5e7407\u670824\u65e520\u664250\u520608\u79d2\u3067\u3059\u3002\"\r\n\"[2]\u305f\u3060\u3044\u307e\u306e\u6642\u523b\u306f20:50:08\"\r\n\"[3]\u897f\u66a62017\u5e74\u3001\u305d\u306e\u4e0b\u4e8c\u6841\u306f17\u3067\u3059\u3002\"\r\n\"[4]PM 8\u6642\u3001\u305d\u308c\u306f\u3064\u307e\u308a20\u6642\"\r\n\"[5]\u4eca\u65e5\u306e\u66dc\u65e5\u306fMonday\u3001\u7565\u3057\u3066Mon\"\r\n\"[6]\u4eca\u6708\u306fJuly\u3001\u7565\u3057\u3066Jul\u3001\u3064\u307e\u308a07\u6708\u3067\u3059\u3002\"\r\n\"[7]\u4eca\u65e5\u306f07\u670824\u65e5\u3067\u3059\u3002\"\r\n\"[8]\u4eca\u65e5\u306e\u65e5\u4ed8\u3068\u6642\u523b\u306f07\/24\/17\u3067\u3059\u3002\"\r\n\"[9]\u3055\u3089\u306b\u8a73\u3057\u304f\u8a00\u3046\u3068\u3001Mon Jul 24 20:50:08 2017\u3067\u3059\u3002\"\r\n\"[10]\u4eca\u65e5\u306f\u4eca\u5e74\u306e1\u67081\u65e5\u304b\u3089205\u65e5\u76ee\u3067\u3059\u3002\"\r\n\"[11]\u4eca\u9031\u306f\u6700\u521d\u6708\u66dc\u65e5\u3092\u4e00\u9031\u9593\u306e\u59cb\u307e\u308a\u3068\u3057\u306630\u9031\u76ee\u3067\u3059\u3002\"\r\n\"[12]\u4eca\u9031\u306f\u6700\u521d\u65e5\u66dc\u65e5\u3092\u4e00\u9031\u9593\u306e\u59cb\u307e\u308a\u3068\u3057\u306630\u9031\u76ee\u3067\u3059\u3002\"\r\n\"[13]\u30bf\u30a4\u30e0\u30be\u30fc\u30f3\u306fJST\"<\/pre>\n<p>%+\u7279\u5b9a\u306e\u6587\u5b57\u3067\u3001time\u3067\u6307\u5b9a\u3057\u305f\u8981\u7d20\u3092\u53d6\u308a\u51fa\u3059\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u307e\u305f\u3001\u6df7\u540c\u3057\u3084\u3059\u3044\u70b9\u3068\u3057\u3066\u3001\u5c0f\u6587\u5b57\u306e%m\u306f\u6708\u3067\u3001\u5927\u6587\u5b57\u306e%M\u306f\u5206\u3067\u3059\u3002<\/p>\n<p>\u5165\u529b\u3068\u51fa\u529b\u304c\u6bd4\u3079\u3084\u3059\u3044\u3088\u3046\u306b\u756a\u53f7\u3092\u632f\u3063\u3066\u3042\u308a\u307e\u3059\u306e\u3067\u3001<b>\u3069\u306e\u8981\u7d20\u304c\u3069\u306e\u51fa\u529b\u3068\u5bfe\u5fdc\u3057\u3066\u3044\u308b\u304b<\/b>\u3088\u304f\u78ba\u8a8d\u3057\u3066\u304a\u3044\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<h3>active_support\u3067\u4f7f\u3048\u308b\u30e1\u30bd\u30c3\u30c9\u3092\u5897\u3084\u3059<\/h3>\n<p>active_suport\u3092\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3059\u308c\u3070\u3001Time\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3067\u4f7f\u3048\u308b\u30e1\u30bd\u30c3\u30c9\u3092\u62e1\u5f35\u3067\u304d\u307e\u3059\u3002\u307e\u3060\u3001active_support\u306egem\u3092\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3057\u3066\u3044\u306a\u3044\u65b9\u306f\u4ee5\u4e0b\u306e\u30b3\u30fc\u30c9\u3092\u5165\u529b\u3057\u3066\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<pre class=\"lang:ruby decode:true\">gem install activesupport<\/pre>\n<p>active_support\u306b\u306f\u305f\u304f\u3055\u3093\u306e\u30e1\u30bd\u30c3\u30c9\u304c\u3042\u308a\u307e\u3059\u3002\u307e\u305a\u3001\u4f55\u5206\u524d\u3001\u4f55\u5206\u5f8c\u306e\u3088\u3046\u306b\u6642\u9593\u306e\u524d\u5f8c\u3092\u8a08\u7b97\u3057\u305f\u3044\u5834\u5408\u306b\u306f\u6b21\u306e\u3088\u3046\u306b\u3057\u307e\u3059\u3002<\/p>\n<p>[\u6642\u9593\u306e\u524d\u5f8c\u3092\u8a08\u7b97\u3059\u308b]<\/p>\n<pre class=\"lang:ruby decode:true \">require 'active_support\/time'\r\ntime = Time.now\r\np time - 3.hour              #3\u6642\u9593\u524d\r\np time + 3.hour              #3\u6642\u9593\u5f8c\r\np time - 5.days              #5\u65e5\u524d\r\np time + 5.days              #5\u65e5\u5f8c\r\np time - 7.week              #7\u9031\u9593\u524d\r\np time + 7.week             #7\u9031\u9593\u5f8c\r\np time - 11.month          #11\u30f6\u6708\u524d\r\np time + 11.month          #11\u30f6\u6708\u5f8c\r\np time - 13.years            #13\u5e74\u524d\r\np time + 13.years            #13\u5e74\u5f8c<\/pre>\n<p>\u307e\u305f\u3001\u8a08\u7b97\u3067\u306f\u306a\u304f\u5b9a\u7fa9\u3055\u308c\u305f\u30e1\u30bd\u30c3\u30c9\u3067\u540c\u69d8\u306e\u8a08\u7b97\u3059\u308b\u5834\u5408\u306f\u6b21\u306e\u3088\u3046\u306b\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<p>[\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u3063\u3066\u6642\u9593\u306e\u524d\u5f8c\u3092\u8a08\u7b97\u3059\u308b]<\/p>\n<pre class=\"lang:ruby decode:true \">require 'active_support\/time'\r\ntime = Time.now\r\np 3.hour.ago               #3\u6642\u9593\u524d\r\np 3.hour.since             #3\u6642\u9593\u5f8c\r\np 5.days.ago               #5\u65e5\u524d\r\np 5.days.since             #5\u65e5\u5f8c\r\np 7.week.ago               #7\u9031\u9593\u524d\r\np 7.week.since             #7\u9031\u9593\u5f8c\r\np 9.month.ago             #9\u30f6\u6708\u524d\r\np 9.month.since           #9\u30f6\u6708\u5f8c\r\np 11.years.ago             #11\u5e74\u524d\r\np 11.years.since           #11\u5e74\u5f8c<\/pre>\n<p>\u3053\u308c\u3089\u306e\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u3048\u3070\u3001\u524d\u534a\u3067\u7d39\u4ecb\u3057\u305f\u6642\u9593\u306e\u6f14\u7b97\u3092\u66f8\u304d\u63db\u3048\u3089\u308c\u307e\u3059\u3002\u6b21\u306b\u65e5\u3001\u9031\u3001\u6708\u3001\u5e74\u306e\u5358\u4f4d\u3054\u3068\u306b\u6642\u9593\u3092\u8abf\u6574\u3059\u308b\u306b\u306f\u6b21\u306e\u3088\u3046\u306b\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<p>[\u65e5\u3001\u9031\u3001\u6708\u3001\u5e74\u306e\u5358\u4f4d\u3054\u3068\u306b\u6642\u9593\u3092\u8abf\u6574\u3059\u308b]<\/p>\n<pre class=\"lang:ruby decode:true \">require 'active_support\/time'\r\ntime = Time.now\r\np time.yesterday             #\u6628\u65e5\r\np time.tomorrow              #\u660e\u65e5\r\np time.prev_week             #\u5148\u9031\r\np time.next_week             #\u6765\u9031\r\np time.prev_month            #\u5148\u6708\r\np time.next_month            #\u6765\u6708\r\np time.prev_year             #\u53bb\u5e74\r\np time.next_year             #\u6765\u5e74<\/pre>\n<p>\u305d\u3057\u3066\u3001\u65e5\u3001\u9031\u3001\u6708\u3001\u5e74\u3001\u56db\u534a\u671f\u306e\u59cb\u3081\u3001\u7d42\u308f\u308a\u306e\u65e5\u6642\u3092\u8a08\u7b97\u3059\u308b\u306b\u306f\u6b21\u306e\u3088\u3046\u306b\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<p>[\u59cb\u3081\u3001\u7d42\u308f\u308a\u306e\u65e5\u6642\u3092\u8a08\u7b97\u3059\u308b]<\/p>\n<pre class=\"lang:ruby decode:true \">require 'active_support\/time'\r\ntime = Time.now\r\np time.beginning_of_day      #\u65e5\u306e\u521d\u3081\u306e\u65e5\u6642\r\np time.end_of_day            #\u65e5\u306e\u7d42\u308f\u308a\u306e\u65e5\u6642\r\np time.beginning_of_week     #\u9031\u306e\u521d\u3081\u306e\u65e5\u6642\r\np time.end_of_week           #\u9031\u306e\u7d42\u308f\u308a\u65e5\u6642\r\np time.beginning_of_month    #\u6708\u306e\u521d\u3081\u306e\u65e5\u6642\r\np time.end_of_month          #\u6708\u306e\u7d42\u308f\u308a\u306e\u65e5\u6642\r\np time.beginning_of_year     #\u5e74\u306e\u521d\u3081\u306e\u65e5\u6642\r\np time.end_of_year           #\u5e74\u306e\u7d42\u308f\u308a\u306e\u65e5\u6642\r\np time.beginning_of_quarter  #\u56db\u534a\u671f\u306e\u521d\u3081\u306e\u65e5\u6642\r\np time.end_of_quarter        #\u56db\u534a\u671f\u306e\u7d42\u308f\u308a\u306e\u65e5\u6642<\/pre>\n<p>\u6700\u5f8c\u306b\u6708\u3001\u5e74\u3001\u56db\u534a\u671f\u306e\u7bc4\u56f2\u3092\u51fa\u529b\u3059\u308b\u5834\u5408\u306f\u4ee5\u4e0b\u306e\u901a\u308a\u3067\u3059\u3002<\/p>\n<p>[\u7bc4\u56f2\u3092\u51fa\u529b\u3059\u308b]<\/p>\n<pre class=\"lang:ruby decode:true \">p time.all_month    #\u4eca\u6708\u306e\u7bc4\u56f2\r\np time.all_quarter  #\u56db\u534a\u671f\u306e\u7bc4\u56f2\r\np time.all_year     #\u4eca\u5e74\u306e\u7bc4\u56f2<\/pre>\n<p>\u307e\u305factive_support\u306e\u30e1\u30bd\u30c3\u30c9\u306f\u30bd\u30fc\u30b9\u304c\u516c\u958b\u3055\u308c\u3066\u3044\u307e\u3059\u306e\u3067\u3001\u3053\u3061\u3089\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<p>\u5f15\u7528\u5143:<a href=\"https:\/\/github.com\/rails\/rails\/blob\/4-2-stable\/activesupport\/lib\/active_support\/core_ext\/date_and_time\/calculations.rb\">Github:active_support<\/a><\/p>\n<p>\u3053\u306e\u3088\u3046\u306b\u3001active_support\u306b\u306f\u975e\u5e38\u306b\u305f\u304f\u3055\u3093\u306e\u4fbf\u5229\u306a\u30e1\u30bd\u30c3\u30c9\u304c\u7528\u610f\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u4e00\u3064\u4e00\u3064\u3001\u4f7f\u3048\u308b\u5834\u9762\u3067\u306f\u4f7f\u3048\u308b\u3088\u3046\u306b\u3057\u3066\u304a\u304d\u307e\u3057\u3087\u3046\u3002<\/p>\n<h2>\u307e\u3068\u3081<\/h2>\n<p>\u3044\u304b\u304c\u3067\u3057\u305f\u304b\uff1f\u3053\u306e\u8a18\u4e8b\u3067\u306f\u3001Time\u306e\u4f7f\u3044\u65b9\u3092\u89e3\u8aac\u3057\u307e\u3057\u305f\u3002\u65e5\u6642\u3092\u6307\u5b9a\u3001\u307e\u305f\u306fparse\u3092\u4f7f\u3063\u3066Time\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u4f5c\u6210\u3057\u305f\u5f8c\u306f\u3001active_support\u306e\u4fbf\u5229\u306a\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u7528\u3057\u3066\u3001\u81ea\u5206\u597d\u307f\u306e\u6642\u9593\u306e\u51fa\u529b\u3092\u8a66\u3057\u3066\u307f\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<p>\u307e\u305f\u3001\u4f5c\u6210\u3057\u305f\u6642\u9593\u306bformat\u3092\u6307\u5b9a\u3057\u3066\u3042\u3052\u308b\u3053\u3068\u3067\u3001\u51fa\u529b\u3092\u30ab\u30b9\u30bf\u30de\u30a4\u30ba\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>Time\u306b\u306f\u975e\u5e38\u306b\u591a\u304f\u306e\u30e1\u30bd\u30c3\u30c9\u304c\u3042\u308a\u307e\u3059\u3002\u306a\u306e\u3067\u3001\u3082\u3057Time\u306e\u4f7f\u3044\u65b9\u306b\u3064\u3044\u3066\u5fd8\u308c\u3066\u3057\u307e\u3063\u305f\u3089\u3053\u306e\u8a18\u4e8b\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u306d\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u3053\u3093\u306b\u3061\u306f\uff01\u30d5\u30ea\u30fc\u30a8\u30f3\u30b8\u30cb\u30a2\u306e\u9577\u702c\u3067\u3059\u3002\u307f\u306a\u3055\u3093\u3001Ruby\u306e\u52c9\u5f37\u306f\u9032\u3093\u3067\u3044\u307e\u3059\u304b\uff1f 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