Ephemerides

Ephemerides

Rise and set times (sunrise, sunset, moonrise and moonset): In here the tables show, for each day of the month, the hour and minute of rising and setting of the sun and/or the moon, as well as its day or night length. The rise (set) time is the instant corresponding to the appearance (disappearance) of the upper edge of the sun/moon in a hypothetical horizon, not considering surface features of the real horizon or nearby obstacles (houses, trees), nor the presence of clouds or fog.

In a particular place, both the sun and the moon appear in the east side of the sky, above the horizon.  Hours later, due to the earth's rotation, they disappear in the west side, over the horizon. In a place, the time when the object is on the horizon is known as the rising (sunrise, moonrise) if emerging, or setting (sunset, moonset) if disappearing.

Moon phases: This refers to the shape of the illuminated portion of the moon as seen by an observer on earth.  The phases take place cyclically as the moon orbits the earth and changes position relative to the earth and sun. The complete cycle, called lunar month, last just over 29 days.

After a new moon phase, the sunlit portion is increasing until the full moon phase is reached two weeks later.  After the full moon (maximum illumination) phase, the light continually decreases until the light is completely gone, reaching the new moon phase again.  The first quarter and third quarter moons (called half moon) happen when exactly half of the moon is illuminated and half is in shadow.

Thus, the tables indicate the date and time when each moon phase is reached.  Blank spaces in the table indicates that there is no rise/set in 24 hours. The main stages of the moon are new moon, first quarter, full moon and last quarter (or third quarter).

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Rise and set times (sunrise, sunset) 2024
Rise and set times (moonrise and moonset) 2024
Moon phases 2024
Rise and set times (sunrise, sunset, moonrise and moonset) 2023
Moon phases 2023