{"id":11838,"date":"2019-03-08T19:19:12","date_gmt":"2019-03-08T18:19:12","guid":{"rendered":"http:\/\/www.alohapatek.cz\/?page_id=11838"},"modified":"2019-03-08T19:20:44","modified_gmt":"2019-03-08T18:20:44","slug":"zjimavosti-o-pocasi","status":"publish","type":"page","link":"https:\/\/www.alohapatek.cz\/index.php\/zjimavosti-o-pocasi\/","title":{"rendered":"Zj\u00edmavosti o po\u010das\u00ed …"},"content":{"rendered":"\n

V\u011bd\u011bli jste \u017ee, prvn\u00ed jarn\u00ed den je plovouc\u00ed datum?<\/h1>\n\n\n\n

BY RADIM AD\u00c1MEK<\/a> \u00b7 PUBLISHED B\u0158EZEN 21, 2018 \u00b7 UPDATED B\u0158EZEN 8, 2019<\/p>\n\n\n\n

\"\"<\/a><\/figure><\/div>\n\n\n\n

Prvn\u00ed jarn\u00ed den, ozna\u010dujeme jako jarn\u00ed rovnodennost, proto\u017ee noc a den jsou p\u0159ibli\u017en\u011b stejn\u011b dlouh\u00e9. Od tohoto dne se noc zkracuje a den prodlu\u017euje, co\u017e trv\u00e1 a\u017e do letn\u00edho slunovratu, kdy je den dvakr\u00e1t del\u0161\u00ed ne\u017e noc.<\/p>\n\n\n\n

Prvn\u00ed jarn\u00ed den nast\u00e1v\u00e1 ve chv\u00edli , kdy se st\u0159ed slune\u010dn\u00edho kotou\u010de ocitne p\u0159esn\u011b nad rovn\u00edkem a Slunce vstoup\u00ed do znamen\u00ed Berana. K tomu ka\u017ed\u00fd rok dojde o necel\u00fdch \u0161est hodin pozd\u011bji, a v p\u0159estupn\u00e9m roce o v\u00edce ne\u017e 18 hodin d\u0159\u00edve.<\/p>\n\n\n\n

M\u016f\u017eou za to p\u0159estupn\u00e9 roky. Kalend\u00e1\u0159n\u00ed rok trv\u00e1 365 nebo 366 dn\u00ed, ale Zem\u011b ob\u011bhne kolem Slunce za 365 dn\u00ed, p\u011bt hodin a 49 minut. Proto se okam\u017eik jarn\u00ed rovnodennosti opo\u017e\u010fuje ka\u017ed\u00fd n\u00e1sleduj\u00edc\u00ed rok o p\u0159eb\u00fdvaj\u00edc\u00edch p\u011bt hodin a 49 minut.<\/p>\n\n\n\n

Tzn \u017ee a\u017e roku 2047 bude za\u010d\u00e1tek jara p\u0159ipadat na 20. b\u0159ezen. V roce 2048 se za\u010d\u00e1tek jara dokonce posune na 19. b\u0159ezen.<\/p>\n\n\n\n

Na 21. b\u0159ezen se prvn\u00ed jarn\u00ed den vr\u00e1t\u00ed a\u017e v roce 2102.<\/p>\n\n\n\n

To v\u0161ak nem\u011bn\u00ed nic na tom, \u017ee ten leto\u0161n\u00ed se moc nevyvedl. Ve 2 hod r\u00e1no \u2013 10 st a od 5:30 hod za\u010dalo sn\u011b\u017eit.<\/p>\n","protected":false},"excerpt":{"rendered":"

V\u011bd\u011bli jste \u017ee, prvn\u00ed jarn\u00ed den je plovouc\u00ed datum? BY RADIM...<\/p>\n","protected":false},"author":4,"featured_media":11836,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-11838","page","type-page","status-publish","has-post-thumbnail","hentry"],"_links":{"self":[{"href":"https:\/\/www.alohapatek.cz\/index.php\/wp-json\/wp\/v2\/pages\/11838","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.alohapatek.cz\/index.php\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.alohapatek.cz\/index.php\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.alohapatek.cz\/index.php\/wp-json\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/www.alohapatek.cz\/index.php\/wp-json\/wp\/v2\/comments?post=11838"}],"version-history":[{"count":2,"href":"https:\/\/www.alohapatek.cz\/index.php\/wp-json\/wp\/v2\/pages\/11838\/revisions"}],"predecessor-version":[{"id":11841,"href":"https:\/\/www.alohapatek.cz\/index.php\/wp-json\/wp\/v2\/pages\/11838\/revisions\/11841"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.alohapatek.cz\/index.php\/wp-json\/wp\/v2\/media\/11836"}],"wp:attachment":[{"href":"https:\/\/www.alohapatek.cz\/index.php\/wp-json\/wp\/v2\/media?parent=11838"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}