päiväntasaus englanniksi   equinox

Esimerkkilauseet

*: Since it gets light before the sun rises and remains light after the sun sets, the actual period of darkness at the equinox will be substantially less than twelve hours, the exact amount depending on latitude and how one defines the boundary between twilight and night.

suositut haut
observatorio hyväksyntä sama turva epäkypsä suoruus