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[1] [failed verification] At nautical dawn and nautical dusk, the human eye finds it difficult, if not impossible, to discern traces of illumination near the sunset or sunrise point of the horizon (first light after nautical dawn but before civil dawn and nightfall after civil dusk but before nautical dusk). [citation needed]
In Islam, Zodiacal Light (or "false dawn") is referred to as False Morning (Subhe-Kazeb, Persian ŲµŲØŲ Ś©Ų§Ų°ŲØ) and Astronomical dawn is called Sahar (Ų³ŲŲ±) or True Morning (Subhe-Sadeq, Persian ŲµŲØŲ ŲµŲ§ŲÆŁ), and it is the time of first prayer of the day, and the beginning of the daily fast during Ramadan.
The time of dusk is the moment at the very end of astronomical twilight, just before the minimum brightness of the night sky sets in, or may be thought of as the darkest part of evening twilight. [4] However, technically, the three stages of dusk are as follows: At civil dusk, the center of the Sun's disc goes 6° below the horizon in the ...
Matutinal animals are active only after dawn, and vespertine only before dusk. A number of factors affect the time of day an animal is active. Predators hunt when their prey is available, and prey try to avoid the times when their principal predators are at large. The temperature may be too high at midday or too low at night. [2]
Contemporary photographic artist Uta Barth is photographed in front of her piece, titled "…from dawn to dusk. 2022," in her studio in Mar Vista. (Jay L. Clendenin/Los Angeles Times)
Twilight is the period before sunrise and after sunset in which there is natural light but no direct sunlight. [36] The morning twilight begins at dawn and ends at sunrise, while the evening twilight begins at sunset and ends at dusk. Both periods of twilight can be divided into civil twilight, nautical twilight, and astronomical twilight ...