{"id":269885,"date":"2022-12-21T09:38:39","date_gmt":"2022-12-21T08:38:39","guid":{"rendered":"https:\/\/zakrasnejsivimperk.cz\/?p=269885"},"modified":"2022-12-21T09:43:58","modified_gmt":"2022-12-21T08:43:58","slug":"astronomicky-ustav-av-cr-dnes-nastava-zimni-slunovrat-a-zacina-astronomicka-zima","status":"publish","type":"post","link":"https:\/\/zakrasnejsivimperk.cz\/?p=269885","title":{"rendered":"ASTRONOMICK\u00dd \u00daSTAV: Ve st\u0159edu 21. prosince (22:48) nast\u00e1v\u00e1 zimn\u00ed slunovrat a za\u010d\u00edn\u00e1 astronomick\u00e1 zima"},"content":{"rendered":"

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Ve st\u0159edu 21. prosince ve 22:48 nastane zimn\u00ed slunovrat a za\u010dne astronomick\u00e1 zima. Na severn\u00ed polokouli tak za\u017e\u00edv\u00e1me nejdel\u0161\u00ed noc a Slunce dosahuje nejni\u017e\u0161\u00ed poledn\u00ed v\u00fd\u0161ky nad obzorem (u n\u00e1s pouh\u00fdch 16.5 stupn\u011b nad obzorem). Od t\u00e9to chv\u00edle se ji\u017e za\u010dnou dny prodlu\u017eovat, a to a\u017e do letn\u00edho slunovratu 21. \u010dervna.<\/h6>\n

\"\"P\u0159esn\u00fd term\u00edn zimn\u00edho slunovratu nen\u00ed pevn\u011b dan\u00fd, proto\u017ee rok netrv\u00e1 p\u0159esn\u011b 365 dn\u00ed. V\u011bt\u0161inou zimn\u00ed slunovrat p\u0159ipad\u00e1 na 21. \u010di 22. prosince. Vz\u00e1cn\u011b to m\u016f\u017ee b\u00fdt i 20. a 23. prosince. P\u0159\u00ed\u0161t\u00ed slunovrat s datem 20. prosince nastane v roce 2080 a slunovrat s datem 23. prosince bude a\u017e v roce 2303.<\/p>\n

D\u00e9lka nejkrat\u0161\u00edho dne v roce, tedy \u010das od v\u00fdchodu do z\u00e1padu Slunce, je u n\u00e1s kolem osmi hodin. Rozd\u00edl v d\u00e9lce dne mezi nejji\u017en\u011bj\u0161\u00edm a nejsevern\u011bj\u0161\u00edm m\u00edstem v \u010cR je v\u00edce ne\u017e \u010dtvrt hodiny. O n\u011bco del\u0161\u00ed den tak pro\u017eij\u00ed lid\u00e9, kte\u0159\u00ed \u017eij\u00ed na jihu \u010cesk\u00e9 republiky ne\u017e ti, kte\u0159\u00ed \u017eij\u00ed na severu. Pro v\u0161echny ale plat\u00ed, \u017ee dny se u\u017e budou prodlu\u017eovat.<\/p>\n

Obr\u00e1zek: autor \u010cesk\u00e1 televize podle odborn\u00fdch podklad\u016f.<\/p>\n

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FB – Astronomick\u00fd \u00fastav AV \u010cR<\/a><\/strong><\/p>\n

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