izlazak sunca: sunrise
Izlazak sunca označava početak dana. = Sunrise marks the beginning of the day.

zora: dawn
Budim se u zoru. = I wake up at dawn.

ranoranilac: early bird, morning person
Svakog jutra se budi u 6, pravi je ranoranilac. = He wakes up at six every morning, he really is a morning person.

If you stay at accommodation near Zagreb airport, you might become a ranoranilac too, woken up early every morning by the roosters living nearby.

Photo credit: Iva Antoliš