Analysis of information sources in references of the Wikipedia article "Zorya" in English language version.
Another point of general interest is the Russian conception of the dual nature of the dawn. Numerous examples reveal the existence of two Dawns who are sisters - the Morning Dawn (Utrennyaya Zarya) and the Evening Dawn (Vechernyaya Zarya). The latter refers to the after-glow of sunset and is frequently contrasted with the morning or 'white' dawn, with the midnight period as the mean between the two extremes.