{"id":3482,"date":"2026-09-25T19:58:38","date_gmt":"2026-09-25T18:58:38","guid":{"rendered":"https:\/\/www.laurensoff.com\/wordpress\/?p=3482"},"modified":"2026-09-25T21:41:42","modified_gmt":"2026-09-25T20:41:42","slug":"le-changement-dheure-a-ete-instaure-en-france-pour-economiser-de-lenergie","status":"publish","type":"post","link":"https:\/\/www.laurensoff.com\/wordpress\/le-changement-dheure-a-ete-instaure-en-france-pour-economiser-de-lenergie\/","title":{"rendered":"Le changement d&#8217;heure a \u00e9t\u00e9 instaur\u00e9 en France pour \u00e9conomiser de l&#8217;\u00e9nergie"},"content":{"rendered":"<p><span class=\"citation-262 citation-end-262\">Le changement d&#8217;heure a \u00e9t\u00e9 instaur\u00e9 en France pour \u00e9conomiser de l&#8217;\u00e9nergie en faisant co\u00efncider les heures d&#8217;activit\u00e9 avec les heures d&#8217;ensoleillement.<\/span><br \/>\n<button><a href=\"https:\/\/www.laurensoff.com\/wordpress\/tvsud-vous-donne-lheure-dans-le-monde.html\">Quelle heure est-il ? SVP<\/a><\/button><\/p>\n<div class=\"n6owBd awi2gc\" data-sfc-cp=\"\" data-sfc-root=\"ep\" data-hveid=\"CAIIAAgBCAsQAg\" data-copy-service-computed-style=\"font-family: Google Sans, Arial, sans-serif, Noto Color Emoji; font-size: 16px; font-weight: 400; margin: 0px 0px 16px; text-decoration: none; border-bottom: 0px rgb(230, 232, 240);\"><span data-subtree=\"aimfl,mfl\" data-copy-service-computed-style=\"font-family: Google Sans, Arial, sans-serif, Noto Color Emoji; font-size: 16px; font-weight: 400; margin: 0px; text-decoration: none; border-bottom: 0px rgb(230, 232, 240);\">Le prochain changement d&#8217;heure aura lieu <\/span><mark class=\"MAeH\" data-wiz-attrbind=\"class=BjMzdf_9\/cFwyDc\" data-sfc-root=\"ep\" data-ved=\"2ahUKEwjW5L-jwoqXAxVt1QIHHdlgAaMQuJAPegoIAggACAEICxAD\" data-copy-service-computed-style=\"font-family: Google Sans, Arial, sans-serif, Noto Color Emoji; font-size: 16px; font-weight: 500; margin: 0px; text-decoration: none; border-bottom: 0px rgb(238, 240, 255);\">dans la nuit du samedi 24 au dimanche 25 octobre 2026<!--TgQPHd|||[[[null,null,null,null,null,null,null,null,null,null,null,null,[247864,null,0]]]]--><\/mark>, date du passage \u00e0 l&#8217;heure d&#8217;hiver. [<a href=\"https:\/\/www.service-public.gouv.fr\/particuliers\/actualites\/A15263\">1<\/a>]<!--TgQPHd|||[]--><\/div>\n<div class=\"yhAwj\" data-sfc-cp=\"\" data-sfc-root=\"ep\" data-sfc-inited=\"2\" data-copy-service-computed-style=\"font-family: Google Sans, Arial, sans-serif, Noto Color Emoji; font-size: 16px; font-weight: 400; margin: 0px; text-decoration: none; border-bottom: 0px rgb(230, 232, 240);\"><!--TgQPHd|||[]--><\/div>\n<div class=\"otQkpb\" role=\"heading\" aria-level=\"3\" data-animation-nesting=\"\" data-sfc-cp=\"\" data-wiz-attrbind=\"aria-level=BjMzdf_g\/fLk2Md\" data-sfc-root=\"ep\" data-copy-service-computed-style=\"font-family: Google Sans, Arial, sans-serif, Noto Color Emoji; font-size: 20px; font-weight: 600; margin: 24px 0px 12px; text-decoration: none; border-bottom: 0px rgb(238, 240, 255);\">D\u00e9tails du changement<!--TgQPHdBjMzdf_1\/LL5gb|||[]--><\/div>\n<div class=\"\" data-bfc=\"\" data-sfc-cp=\"\" data-sfc-root=\"ep\" data-ved=\"2ahUKEwjW5L-jwoqXAxVt1QIHHdlgAaMQi4wTegoIAggACAEICxAK\" data-hveid=\"CAIIAAgBCAsQCg\" data-copy-service-computed-style=\"font-family: Google Sans, Arial, sans-serif, Noto Color Emoji; font-size: 16px; font-weight: 400; margin: 0px; text-decoration: none; border-bottom: 0px rgb(230, 232, 240);\">\n<ul>\n<li class=\"Z1qcYe\" data-sfc-cp=\"\" data-sfc-root=\"ep\" data-hveid=\"CAIIAAgBCAsQCw\" data-copy-service-computed-style=\"font-family: Google Sans, Arial, sans-serif, Noto Color Emoji; font-size: 16px; font-weight: 400; margin: 0px 0px 12px; text-decoration: none; border-bottom: 0px rgb(230, 232, 240);\"><span class=\"iNqyIf\" data-sfc-cp=\"\" data-sfc-root=\"ep\" data-copy-service-computed-style=\"font-family: Google Sans, Arial, sans-serif, Noto Color Emoji; font-size: 16px; font-weight: 400; margin: 0px; text-decoration: none; border-bottom: 0px rgb(230, 232, 240);\"><strong class=\"rQesXe MPyX\" data-sfc-cp=\"\" data-sfc-root=\"ep\" data-copy-service-computed-style=\"font-family: Google Sans, Arial, sans-serif, Noto Color Emoji; font-size: 16px; font-weight: 700; margin: 0px; text-decoration: none; border-bottom: 0px rgb(230, 232, 240);\">Action :<!--TgQPHd|||[]--><\/strong> \u00c0 3 heures du matin, il sera 2 heures (on recule d&#8217;une heure).<!--TgQPHd|||[]--><\/span><!--TgQPHd|||[]--><\/li>\n<\/ul>\n<p><!--TgQPHd|||[]--><\/p>\n<\/div>\n<div class=\"\" data-bfc=\"\" data-sfc-cp=\"\" data-sfc-root=\"ep\" data-ved=\"2ahUKEwjW5L-jwoqXAxVt1QIHHdlgAaMQi4wTegoIAggACAEICxAM\" data-hveid=\"CAIIAAgBCAsQDA\" data-copy-service-computed-style=\"font-family: Google Sans, Arial, sans-serif, Noto Color Emoji; font-size: 16px; font-weight: 400; margin: 0px; text-decoration: none; border-bottom: 0px rgb(230, 232, 240);\">\n<ul>\n<li class=\"Z1qcYe\" data-sfc-cp=\"\" data-sfc-root=\"ep\" data-hveid=\"CAIIAAgBCAsQDQ\" data-copy-service-computed-style=\"font-family: Google Sans, Arial, sans-serif, Noto Color Emoji; font-size: 16px; font-weight: 400; margin: 0px 0px 12px; text-decoration: none; border-bottom: 0px rgb(230, 232, 240);\"><span class=\"iNqyIf\" data-sfc-cp=\"\" data-sfc-root=\"ep\" data-copy-service-computed-style=\"font-family: Google Sans, Arial, sans-serif, Noto Color Emoji; font-size: 16px; font-weight: 400; margin: 0px; text-decoration: none; border-bottom: 0px rgb(230, 232, 240);\"><strong class=\"rQesXe MPyX\" data-sfc-cp=\"\" data-sfc-root=\"ep\" data-copy-service-computed-style=\"font-family: Google Sans, Arial, sans-serif, Noto Color Emoji; font-size: 16px; font-weight: 700; margin: 0px; text-decoration: none; border-bottom: 0px rgb(230, 232, 240);\">Sommeil :<!--TgQPHd|||[]--><\/strong> Vous gagnerez une heure de sommeil.<!--TgQPHd|||[]--><\/span><!--TgQPHd|||[]--><\/li>\n<\/ul>\n<p><!--TgQPHd|||[]--><\/p>\n<\/div>\n<div class=\"\" data-bfc=\"\" data-sfc-cp=\"\" data-sfc-root=\"ep\" data-ved=\"2ahUKEwjW5L-jwoqXAxVt1QIHHdlgAaMQi4wTegoIAggACAEICxAO\" data-hveid=\"CAIIAAgBCAsQDg\" data-copy-service-computed-style=\"font-family: Google Sans, Arial, sans-serif, Noto Color Emoji; font-size: 16px; font-weight: 400; margin: 0px; text-decoration: none; border-bottom: 0px rgb(230, 232, 240);\">\n<ul>\n<li class=\"Z1qcYe\" data-sfc-cp=\"\" data-sfc-root=\"ep\" data-hveid=\"CAIIAAgBCAsQDw\" data-copy-service-computed-style=\"font-family: Google Sans, Arial, sans-serif, Noto Color Emoji; font-size: 16px; font-weight: 400; margin: 0px 0px 12px; text-decoration: none; border-bottom: 0px rgb(230, 232, 240);\"><span class=\"iNqyIf\" data-sfc-cp=\"\" data-sfc-root=\"ep\" data-copy-service-computed-style=\"font-family: Google Sans, Arial, sans-serif, Noto Color Emoji; font-size: 16px; font-weight: 400; margin: 0px; text-decoration: none; border-bottom: 0px rgb(230, 232, 240);\"><strong class=\"rQesXe MPyX\" data-sfc-cp=\"\" data-sfc-root=\"ep\" data-copy-service-computed-style=\"font-family: Google Sans, Arial, sans-serif, Noto Color Emoji; font-size: 16px; font-weight: 700; margin: 0px; text-decoration: none; border-bottom: 0px rgb(230, 232, 240);\">Prochaine \u00e9tape :<!--TgQPHd|||[]--><\/strong> Le retour \u00e0 l&#8217;heure d&#8217;\u00e9t\u00e9 se fera le dimanche 28 mars 2027.<!--TgQPHd|||[]--><\/span><\/li>\n<\/ul>\n<p><!--TgQPHd|||[]--><\/p>\n<\/div>\n<ul class=\"KsbFXc U6u95\" data-sfc-cp=\"\" data-sfc-root=\"ep\" data-ved=\"2ahUKEwjW5L-jwoqXAxVt1QIHHdlgAaMQ-7AUegoIAggACAEICxAJ\" data-hveid=\"CAIIAAgBCAsQCQ\" data-copy-service-computed-style=\"font-family: Google Sans, Arial, sans-serif, Noto Color Emoji; font-size: 16px; font-weight: 400; margin: 12px 0px 16px; text-decoration: none; border-bottom: 0px rgb(230, 232, 240);\"><!--TgQPHd|||[]--><\/ul>\n<div class=\"\" data-bfc=\"\" data-sfc-cp=\"\" data-sfc-root=\"ep\" data-ved=\"2ahUKEwjW5L-jwoqXAxVt1QIHHdlgAaMQi4wTegoIAggACAEICxAU\" data-hveid=\"CAIIAAgBCAsQFA\" data-copy-service-computed-style=\"font-family: Google Sans, Arial, sans-serif, Noto Color Emoji; font-size: 16px; font-weight: 400; margin: 0px; text-decoration: none; border-bottom: 0px rgb(230, 232, 240);\"><\/div>\n<div class=\"\" data-bfc=\"\" data-sfc-cp=\"\" data-sfc-root=\"ep\" data-ved=\"2ahUKEwjW5L-jwoqXAxVt1QIHHdlgAaMQi4wTegoIAggACAEICxAZ\" data-hveid=\"CAIIAAgBCAsQGQ\" data-copy-service-computed-style=\"font-family: Google Sans, Arial, sans-serif, Noto Color Emoji; font-size: 16px; font-weight: 400; margin: 0px; text-decoration: none; border-bottom: 0px rgb(230, 232, 240);\"><\/div>\n<h3 data-path-to-node=\"3\">Pourquoi ce syst\u00e8me a-t-il \u00e9t\u00e9 mis en place ?<\/h3>\n<ul data-path-to-node=\"4\">\n<li>\n<p id=\"p-rc_34b9ed7e5e4c640f-85\" data-path-to-node=\"4,0,0\"><b data-path-to-node=\"4,0,0\" data-index-in-node=\"0\"><span class=\"citation-261 citation-end-261\">L&#8217;origine \u00e9conomique (1975-1976) :<\/span><\/b> <span class=\"citation-260\">C&#8217;est le <\/span><b data-path-to-node=\"4,0,0\" data-index-in-node=\"44\"><span class=\"citation-260\">choc p\u00e9trolier de 1973<\/span><\/b><span class=\"citation-260 citation-end-260\"> qui a tout d\u00e9clench\u00e9.<\/span> Soucieux de r\u00e9duire la consommation d&#8217;\u00e9lectricit\u00e9 li\u00e9e \u00e0 l&#8217;\u00e9clairage en soir\u00e9e, le gouvernement fran\u00e7ais r\u00e9tablit le changement d&#8217;heure par d\u00e9cret en 1975, pour une mise en application au printemps 1976.<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"4,1,0\"><b data-path-to-node=\"4,1,0\" data-index-in-node=\"0\">L&#8217;harmonisation europ\u00e9enne (1998) :<\/b> L&#8217;Union europ\u00e9enne a ensuite uniformis\u00e9 les dates de changement d&#8217;heure dans tous les pays membres pour simplifier les transports, le commerce et les communications.<\/p>\n<\/li>\n<\/ul>\n<h3 data-path-to-node=\"5\">Comment \u00e7a marche ?<\/h3>\n<ul data-path-to-node=\"6\">\n<li>\n<p id=\"p-rc_34b9ed7e5e4c640f-86\" data-path-to-node=\"6,0,0\"><b data-path-to-node=\"6,0,0\" data-index-in-node=\"0\"><span class=\"citation-259 citation-end-259\">Dernier dimanche de mars (heure d&#8217;\u00e9t\u00e9) :<\/span><\/b> <span class=\"citation-258 citation-end-258\">On avance sa montre d&#8217;une heure (\u00e0 2 h du matin, il est 3 h).<\/span> <span class=\"citation-257 citation-end-257\">On \u00ab perd \u00bb une heure de sommeil, mais on gagne de la lumi\u00e8re le soir.<\/span><\/p>\n<\/li>\n<li>\n<p id=\"p-rc_34b9ed7e5e4c640f-87\" data-path-to-node=\"6,1,0\"><b data-path-to-node=\"6,1,0\" data-index-in-node=\"0\"><span class=\"citation-256 citation-end-256\">Dernier dimanche d&#8217;octobre (heure d&#8217;hiver) :<\/span><\/b> <span class=\"citation-255 citation-end-255\">On recule d&#8217;une heure (\u00e0 3 h du matin, il est 2 h).<\/span> <span class=\"citation-254 citation-end-254\">On \u00ab gagne \u00bb une heure de sommeil.<\/span><\/p>\n<\/li>\n<\/ul>\n<h3 data-path-to-node=\"7\">Pourquoi le d\u00e9bat dure encore ?<\/h3>\n<p data-path-to-node=\"8\">Aujourd&#8217;hui, l&#8217;efficacit\u00e9 \u00e9nerg\u00e9tique est devenue marginale gr\u00e2ce \u00e0 l&#8217;\u00e9clairage LED et aux \u00e9quipements modernes. De plus, de nombreux m\u00e9decins et sp\u00e9cialistes du sommeil soulignent les effets n\u00e9gatifs du changement d&#8217;heure sur l&#8217;horloge biologique (notamment chez les enfants et les personnes \u00e2g\u00e9es).<\/p>\n<p data-path-to-node=\"9\"><span class=\"citation-253 citation-end-253\">Bien que le Parlement europ\u00e9en ait vot\u00e9 en 2019 en faveur de sa suppression, la mesure a \u00e9t\u00e9 gel\u00e9e par la crise sanitaire du Covid-19 et la difficult\u00e9 des \u00c9tats membres \u00e0 s&#8217;accorder sur l&#8217;heure d\u00e9finitive \u00e0 adopter (\u00e9t\u00e9 ou hiver).<\/span><\/p>\n<div class=\"user-query-container\">\n<div id=\"user-query-content-1\" class=\"query-content ng-star-inserted\" data-hveid=\"0\" data-ved=\"0CAAQ3ucQahgKEwi839u1qoqXAxUAAAAAHQAAAAAQ4wM\">\n<div class=\"query-bubble-with-status ng-star-inserted\">\n<div class=\"query-text gds-body-l\" dir=\"ltr\">\n<blockquote>\n<p class=\"query-text-line ng-star-inserted\"><strong>Quelle heure permanente les Fran\u00e7ais avaient-ils majoritairement pl\u00e9biscit\u00e9e lors de la consultation publique ?<\/strong><\/p>\n<\/blockquote>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"luminous-actions-container ng-star-inserted\">\n<p data-path-to-node=\"0\">Lors de la consultation publique organis\u00e9e d\u00e9but 2019 par la Commission des affaires europ\u00e9ennes de l&#8217;Assembl\u00e9e nationale, les Fran\u00e7ais ont majoritairement pl\u00e9biscit\u00e9 <b data-path-to-node=\"0\" data-index-in-node=\"167\">l&#8217;heure d&#8217;\u00e9t\u00e9 permanente<\/b>.<\/p>\n<p data-path-to-node=\"1\">Sur plus de 2,1 millions de participants :<\/p>\n<ul data-path-to-node=\"2\">\n<li>\n<p data-path-to-node=\"2,0,0\"><b data-path-to-node=\"2,0,0\" data-index-in-node=\"0\"><span class=\"citation-314 citation-end-314\">59,17 %<\/span><\/b> <span class=\"citation-313\">ont vot\u00e9 pour maintenir <\/span><b data-path-to-node=\"2,0,0\" data-index-in-node=\"32\"><span class=\"citation-313\">l&#8217;heure d&#8217;\u00e9t\u00e9<\/span><\/b><span class=\"citation-313 citation-end-313\"> toute l&#8217;ann\u00e9e.<\/span><\/p>\n<div class=\"source-inline-chip-container luminous-sources hide-from-message-actions ng-star-inserted\">\n<div class=\"source-label-container gds-body-s ng-star-inserted\" dir=\"auto\"><span class=\"source-title\">Gouvernement<\/span><span class=\"source-count ng-star-inserted\">+\u00a01<\/span><\/div>\n<\/div>\n<\/li>\n<li>\n<p data-path-to-node=\"2,1,0\"><b data-path-to-node=\"2,1,0\" data-index-in-node=\"0\"><span class=\"citation-312 citation-end-312\">36,97 %<\/span><\/b> <span class=\"citation-311\">ont choisi <\/span><b data-path-to-node=\"2,1,0\" data-index-in-node=\"19\"><span class=\"citation-311\">l&#8217;heure d&#8217;hiver<\/span><\/b><span class=\"citation-311 citation-end-311\"> permanente.<\/span><\/p>\n<div class=\"source-inline-chip-container luminous-sources hide-from-message-actions ng-star-inserted\">\n<div class=\"source-label-container gds-body-s ng-star-inserted\" dir=\"auto\"><span class=\"source-title\">Gouvernement<\/span><span class=\"source-count ng-star-inserted\">+\u00a01<\/span><\/div>\n<\/div>\n<\/li>\n<li>\n<p data-path-to-node=\"2,2,0\"><b data-path-to-node=\"2,2,0\" data-index-in-node=\"0\"><span class=\"citation-310 citation-end-310\">3,86 %<\/span><\/b> <span class=\"citation-309 citation-end-309\">\u00e9taient sans opinion.<\/span><\/p>\n<div class=\"source-inline-chip-container luminous-sources hide-from-message-actions ng-star-inserted\">\n<div class=\"source-label-container gds-body-s ng-star-inserted\" dir=\"auto\"><span class=\"source-title\">Gouvernement<\/span><\/div>\n<\/div>\n<\/li>\n<\/ul>\n<p data-path-to-node=\"3\">Par ailleurs, <b data-path-to-node=\"3\" data-index-in-node=\"14\">83,71 %<\/b> des r\u00e9pondants s&#8217;\u00e9taient prononc\u00e9s pour la suppression d\u00e9finitive du changement d&#8217;heure saisonnier.<\/p>\n<p id=\"p-rc_e7b031d488aee337-101\" data-path-to-node=\"4\"><span class=\"citation-308 citation-end-308\">Si cette option avait \u00e9t\u00e9 appliqu\u00e9e, la France serait rest\u00e9e toute l&#8217;ann\u00e9e \u00e0 GMT+2, ce qui signifie des soir\u00e9es plus lumineuses en hiver, mais un soleil qui se l\u00e8ve tr\u00e8s tard le matin (vers 9 h 30 &#8211; 10 h en d\u00e9cembre selon les r\u00e9gions).<\/span><\/p>\n<\/div>\n<\/div>\n<div>\n<div class=\"response-container response-container-with-gpi ng-tns-c3459700382-57 no-background\" data-hveid=\"1\">\n<div class=\"response-container-header ng-tns-c3459700382-57 ng-star-inserted\">\n<div class=\"response-container-header-controls ng-tns-c3459700382-57\">\n<div class=\"ng-tns-c3459700382-57 tts ng-trigger ng-trigger-singleResponseEnter ng-star-inserted\">\n<div class=\"single-draft-response-container ng-tns-c3459700382-57\">\n<blockquote>\n<p style=\"text-align: center;\" data-path-to-node=\"0\">Adopter l&#8217;heure d&#8217;\u00e9t\u00e9 toute l&#8217;ann\u00e9e (UTC+2) aurait transform\u00e9 nos matins et nos fins de journ\u00e9e de d\u00e9cembre \u00e0 f\u00e9vrier.Quelles auraient \u00e9t\u00e9 les cons\u00e9quences concr\u00e8tes d&#8217;une heure d&#8217;\u00e9t\u00e9 permanente en hiver en France ?<\/p>\n<\/blockquote>\n<div class=\"attachment-container search-images\">\n<div class=\"response-container-header-controls ng-tns-c3459700382-57\">\n<div class=\"ng-tns-c3459700382-57 tts ng-trigger ng-trigger-singleResponseEnter ng-star-inserted\">\n<div class=\"single-draft-response-container ng-tns-c3459700382-57\">\n<h3 data-path-to-node=\"3\">Des matins plong\u00e9s dans le noir<\/h3>\n<p data-path-to-node=\"4\">En hiver, le soleil se l\u00e8verait beaucoup plus tard. Au solstice de d\u00e9cembre :<\/p>\n<ul data-path-to-node=\"5\">\n<li>\n<p data-path-to-node=\"5,0,0\"><b data-path-to-node=\"5,0,0\" data-index-in-node=\"0\">\u00c0 Paris :<\/b> lever du soleil \u00e0 <b data-path-to-node=\"5,0,0\" data-index-in-node=\"28\">9 h 41<\/b> (au lieu de 8 h 41 actuellement).<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"5,1,0\"><b data-path-to-node=\"5,1,0\" data-index-in-node=\"0\">\u00c0 Brest :<\/b> lever du soleil \u00e0 <b data-path-to-node=\"5,1,0\" data-index-in-node=\"28\">10 h 06<\/b> (au lieu de 9 h 06).<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"5,2,0\"><b data-path-to-node=\"5,2,0\" data-index-in-node=\"0\">\u00c0 Strasbourg :<\/b> lever du soleil \u00e0 <b data-path-to-node=\"5,2,0\" data-index-in-node=\"33\">9 h 20<\/b> (au lieu de 8 h 20).<\/p>\n<\/li>\n<\/ul>\n<p data-path-to-node=\"6\"><b data-path-to-node=\"6\" data-index-in-node=\"0\">Implications :<\/b><\/p>\n<ul data-path-to-node=\"7\">\n<li>\n<p data-path-to-node=\"7,0,0\"><b data-path-to-node=\"7,0,0\" data-index-in-node=\"0\">Trajets scolaires et domicile-travail :<\/b> les enfants iraient \u00e0 l&#8217;\u00e9cole et les actifs se rendraient au travail dans l&#8217;obscurit\u00e9 totale, soulevant des questions de s\u00e9curit\u00e9 routi\u00e8re pour les pi\u00e9tons et cyclistes.<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"7,1,0\"><b data-path-to-node=\"7,1,0\" data-index-in-node=\"0\">Biologie et sant\u00e9 :<\/b> le manque de lumi\u00e8re naturelle au r\u00e9veil perturbe la s\u00e9cr\u00e9tion de m\u00e9latonine. Les somnologues alertent sur un risque de fatigue chronique, de troubles de l&#8217;attention et de d\u00e9pression saisonni\u00e8re accrue.<\/p>\n<\/li>\n<\/ul>\n<h3 data-path-to-node=\"8\">Des fin d&#8217;apr\u00e8s-midis plus lumineuses<\/h3>\n<p data-path-to-node=\"9\">En contrepartie, le soleil se coucherait une heure plus tard en fin de journ\u00e9e :<\/p>\n<ul data-path-to-node=\"10\">\n<li>\n<p data-path-to-node=\"10,0,0\"><b data-path-to-node=\"10,0,0\" data-index-in-node=\"0\">\u00c0 Paris :<\/b> coucher du soleil \u00e0 <b data-path-to-node=\"10,0,0\" data-index-in-node=\"30\">17 h 56<\/b> (au lieu de 16 h 56).<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"10,1,0\"><b data-path-to-node=\"10,1,0\" data-index-in-node=\"0\">\u00c0 Brest :<\/b> coucher du soleil \u00e0 <b data-path-to-node=\"10,1,0\" data-index-in-node=\"30\">18 h 21<\/b> (au lieu de 17 h 21).<\/p>\n<\/li>\n<\/ul>\n<p data-path-to-node=\"11\"><b data-path-to-node=\"11\" data-index-in-node=\"0\">Implications :<\/b><\/p>\n<ul data-path-to-node=\"12\">\n<li>\n<p data-path-to-node=\"12,0,0\"><b data-path-to-node=\"12,0,0\" data-index-in-node=\"0\">Vie sociale et loisirs :<\/b> davantage de lumi\u00e8re naturelle \u00e0 la sortie des cours ou du travail, ce qui favorise les activit\u00e9s en ext\u00e9rieur, le commerce de d\u00e9tail et les terrasses.<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"12,1,0\"><b data-path-to-node=\"12,1,0\" data-index-in-node=\"0\">\u00c9nergie :<\/b> un l\u00e9ger gain sur l&#8217;\u00e9clairage en soir\u00e9e, mais compens\u00e9 par une consommation accrue de chauffage et d&#8217;\u00e9clairage t\u00f4t le matin.<\/p>\n<\/li>\n<\/ul>\n<h3 data-path-to-node=\"13\">Un d\u00e9calage g\u00e9ographique prononc\u00e9<\/h3>\n<p data-path-to-node=\"14\">La France se situant g\u00e9ographiquement dans le fuseau UTC+0 (celui de Londres), l&#8217;heure d&#8217;\u00e9t\u00e9 (UTC+2) impose un d\u00e9calage de <b data-path-to-node=\"14\" data-index-in-node=\"123\">deux heures par rapport au soleil naturel<\/b>. L&#8217;ouest de la France serait particuli\u00e8rement touch\u00e9 par ce retard de l&#8217;aube.<\/p>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"response-container-header-status ng-tns-c3459700382-57\">\n<div class=\"response-container-header-processing-state ng-tns-c3459700382-57\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-3484\" src=\"https:\/\/www.laurensoff.com\/wordpress\/wp-content\/uploads\/2026\/09\/images-2.png\" alt=\"\" width=\"411\" height=\"746\" srcset=\"https:\/\/www.laurensoff.com\/wordpress\/wp-content\/uploads\/2026\/09\/images-2.png 411w, https:\/\/www.laurensoff.com\/wordpress\/wp-content\/uploads\/2026\/09\/images-2-165x300.png 165w\" sizes=\"auto, (max-width: 411px) 100vw, 411px\" \/><\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"response-container-header-status ng-tns-c3459700382-57\">\n<div class=\"response-container-header-processing-state ng-tns-c3459700382-57\"><img loading=\"lazy\" decoding=\"async\" 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aria-live=\"polite\"><\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Le changement d&#8217;heure a \u00e9t\u00e9 instaur\u00e9 en France pour \u00e9conomiser de l&#8217;\u00e9nergie en faisant 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