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Moonrise/moonset for different moon phases Lunar phase (illustration as seen from northern hemisphere) Moonrise [a] Culmination time (highest point) Moonset Best seen New moon: 6 AM Noon 6 PM Not visible unless there is a solar eclipse: Waxing crescent 9 AM Afternoon 9 PM Late morning to early evening First quarter 12 PM Sunset 12 AM
This plot was created using the simple sunrise equation, approximating the sun as a single point and does not take into account effects caused by the atmosphere or the diameter of the Sun. The sunrise equation or sunset equation can be used to derive the time of sunrise or sunset for any solar declination and latitude in terms of local solar ...
The period of the Moon's orbit as defined with respect to the celestial sphere of apparently fixed stars (the International Celestial Reference Frame; ICRF) is known as a sidereal month because it is the time it takes the Moon to return to a similar position among the stars (Latin: sidera): 27.321 661 days (27 d 7 h 43 min 11.6 s).
Roughly one half of a sāvana day is the duration of time from sunrise to the next sunset and the other half is the duration of time from sunset to the next sunrise. Before the introduction of the modern concept of tithi, the concept of a lunar day was in vogue. It was the duration of time from one moon-rise to the next moon-rise.
Time of sunrise in 2008 for Libreville, Gabon. Near the equator, the variation of the time of sunrise is mainly governed by the variation of the equation of time. See here for the sunrise chart of a different location. The timing of sunrise varies throughout the year and is also affected by the viewer's latitude and longitude, altitude, and ...
Twilight is the time period between dawn and sunrise, ... with a crescent moon, ... Twilight time calculator Archived 2011-10-14 at the Wayback Machine;
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The formal lunar day is therefore the time of a full lunar day-night cycle. Due to tidal locking, this equals the time that the Moon takes to complete one synodic orbit around Earth, a synodic lunar month, returning to the same lunar phase. The synodic period is about 29 + 1 ⁄ 2 Earth days, which is about 2.2 days longer than its sidereal period.