[{"data":1,"prerenderedAt":87},["ShallowReactive",2],{"page:type=timer&slug=40-minutes&locale=en":3},{"locale":4,"alternates":5,"title":8,"description":9,"h1":10,"lead":11,"breadcrumbs":12,"sections":21,"faq":36,"related":49,"updated":80,"affiliate":81,"tool":82,"schema":84},"en",{"es":6,"en":7},"\u002Ftemporizador\u002F40-minutos","\u002Fen\u002Ftimer\u002F40-minutes","40 minutes timer ⏱ online with alarm","Free 40 minutes timer: press Start and an alarm rings when it ends. Full screen, several sounds and works offline.","40 minutes timer","40 minutes countdown with alarm.",[13,16,19],{"name":14,"path":15},"Home","\u002Fen",{"name":17,"path":18},"Timer","\u002Fen\u002Ftimer",{"name":20,"path":7},"40 minutes",[22,26,32],{"paragraphs":23},[24,25],"This timer is set to 40 minutes. That is 2,400 seconds, 0.67 hours, 2,400,000 milliseconds. 1.5 timers like this fit in one hour and 36 in a day.","During 40 minutes a resting heart beats about 2,800 times and a person walks roughly 3,200 metres at an easy pace.",{"heading":27,"list":28},"What is a 40 minutes timer good for?",[29,30,31],"a class or meeting with a hard stop","baking a cake","a full workout",{"heading":33,"paragraphs":34},"How to use it",[35],"Press the space bar or the Start button. When it reaches zero your chosen sound plays; on the main timer page you can add and chain several timers for intervals. Sound and volume settings are saved in your browser.",[37,40,43,46],{"q":38,"a":39},"How many seconds is 40 minutes?","40 minutes equals 2,400 seconds.",{"q":41,"a":42},"How do I set a 40 minutes timer?","Press Start: the time is already set. You can pause it, reset it, change the sound or go full screen.",{"q":44,"a":45},"Will it ring if I switch tabs?","Yes. The timer keeps running in the background and rings when it ends as long as the page stays open; the tab title shows the time left.",{"q":47,"a":48},"Will my screen turn off?","In supported browsers the \"Keep the screen on\" option uses the Wake Lock API to prevent it.",[50,53,56,59,62,65,68,71,74,77],{"label":51,"path":52},"20 minutes timer","\u002Fen\u002Ftimer\u002F20-minutes",{"label":54,"path":55},"25 minutes timer","\u002Fen\u002Ftimer\u002F25-minutes",{"label":57,"path":58},"30 minutes timer","\u002Fen\u002Ftimer\u002F30-minutes",{"label":60,"path":61},"35 minutes timer","\u002Fen\u002Ftimer\u002F35-minutes",{"label":63,"path":64},"45 minutes timer","\u002Fen\u002Ftimer\u002F45-minutes",{"label":66,"path":67},"50 minutes timer","\u002Fen\u002Ftimer\u002F50-minutes",{"label":69,"path":70},"55 minutes timer","\u002Fen\u002Ftimer\u002F55-minutes",{"label":72,"path":73},"1 hour timer","\u002Fen\u002Ftimer\u002F60-minutes",{"label":75,"path":76},"All timers","\u002Fen\u002Ftimer\u002Flist",{"label":78,"path":79},"Stopwatch","\u002Fen\u002Fstopwatch","2026-10-23T13:43:23.736Z","amazon-timer",{"seconds":83},2400,{"app":85},{"name":10,"category":86},"UtilitiesApplication",1792763003723]