Midnight

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Midnight

 

the moment at which, for a given point on earth, the center of the sun (the true sun or the mean sun) is in the lower culmination. The apparent midnight corresponds to a meridian transit by the true sun, while the mean midnight corresponds to a transit by the mean sun. The time at which midnight occurs depends on the geographic longitude. Midnight begins one hour later for every 15° of longitude to the west. All data in astronomical almanacs are calculated for mean midnight at the Greenwich meridian, from which universal time is figured.

References in periodicals archive ?
Readers have the ability to make choices in Midnight Rises that affect the storytelling, and those choices transfer to-- and have an impact on-- the Midnight Star game.
Set 120 years into our future, Midnight Rises introduces readers to the MSRV-Joplin, a research vessel newly outfitted with military weaponry to explore a mysterious signal coming from within our Solar System.
We look forward to distributing our range of adventure vacations and small group tours via Onelink4travel and to encourage travel agents to sell our tour and adventure travel services," said Scott Bonner, Managing Director of Midnight Sun Adventure Travel.