Sect.j: the Globes.

Pr ob. XIV. The Day, and the Dour of_ the Day at one Place, being given ; tofind all thofi Places upon the Earth ,where the.Sun is then Rising, Setting, Cul-minating (or on the Meridian-,) also whereit is Day-Light, 'Twilight, Dark Night,Mid-mght j where the Twilight then be-gins, and where it ends-, the Height ofthe Sun in any Part of the illuminatedHemisphere ; also his DepreJJion in theobscure Hemisphere.

Having found the Place where the Sunis Vertical at the given Hour, rectify theGlobe for that Latitude, and bring the said1 Place to the Meridian,j Then all those Places that are in theWestern Semicircle of the Horizon, havethe Sun rising at that Time.

Those in the Eastern Semicircle have it| setting.

To those who live under the upper Semi-| circle of the Meridian, it is 12 o’Clock at1 Noon. And,

Those who live under the lower Semi-I circle of the Meridian have it at Midnight.All those Places that are above the Ho-rizon, have the Sun above them, just sotouch as the Places themielves are distantj J from the Horizon; which Height may be'" known by fixing the Quadrant of AltitudeH 2 in