When the sun rises, la mañana begins, and it lasts until 12:00 when it is replaced by la tarde. And then, when the sun has set, la noche begins, until the sun rises again, and la mañana reappears.
When the sun rises, la mañana begins, and it lasts until 12:00 when it is replaced by la tarde. And then, when the sun has set, la noche begins, until the sun rises again, and la mañana reappears.