ツイートのページからその人の前後のツイートを表示するブックマークレット (日本語で使用している場合を想定)

show_context_on_twitter.txt

javascript:(function(){var e=window,g=e.open,h=/\/([a-zA-Z0-9_]+)\/status\/.+/.exec(location.pathname)[1],a=(new RegExp('<a href="'+location.pathname+".*?>.*?>(.*?)</span>","")).exec(document.documentElement.innerHTML),b=RegExp("\u5348([\u524d\u5f8c])([0-9]{1,2}):([0-9]{2}) \u00b7 ([0-9]{4})\u5e74([0-9]{1,2})\u6708([0-9]{1,2})\u65e5","u").exec(String(a[1]));a=Number(b[4]);var c=Number(b[5]),d=Number(b[6]),f=Number(b[2])+12*("\u5f8c"===b[1]);b=Number(b[3]);time=24===f?(12===c&&31===d?String(a+1)+"-01-01":(2===c?28>d?0:29===d||0!==a % 400&&(0===a % 100||0!==a % 4):4===c||6===c||9===c||11===c?30===d:31===d)?String(a)+"-"+String(c+1).padStart(2,"0")+"-01":String(a)+"-"+String(c).padStart(2,"0")+"-"+String(d+1).padStart(2,"0"))+"_01:"+String(b).padStart(2,"0")+":00_JST":String(a)+"-"+String(c).padStart(2,"0")+"-"+String(d).padStart(2,"0")+"_"+String(f+1).padStart(2,"0")+":"+String(b).padStart(2,"0")+":00_JST";g.call(e,"https://twitter.com/search?q=from:"+h+"+include:nativeretweets+until:"+time+"&f=live")})();