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Echinoctiu de toamna: cand este fenomenul si detalii despre acesta

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Echinoctiu este atunci cand Soarele traverseaza Ecuatorul din emisfera nordica in cea sudica si ziua devine egala cu noaptea absolut oricare loc de pe planeta Pamant.
Echinoctiul acestui an are loc pe data de 23.09.2018 ( astazi ) la ora 04:54.

Exista doua tipuri de echinoctiu:
- Echinoctiul de primvara
- Echinoctiul de toamna

Singurele exceptii in care echinoctiul nu are niciun efect sunt regiunile polare; in zona polului nord incepand "lunga noapte polara" iar deasupra polului sud Soarele apare timp de 6 luni. 
Incepand cu data echinoctiului de toamna ziua va incepe sa scada treptat pana la solstitiul de iarna, fiind singura schimbare pe care o aduce acesta in vietile noastre.


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