Lunar Interval: The difference in time between the transit of the Moon over the meridian of Greenwich and a local meridian. The average value of this interval, expressed in hours, is 0.069 L, where L is the local longitude in degrees, positive for west longitude and negative for east. The lunar interval equals the difference between the local and Greenwich interval of a tide or current phase.

 

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Lunar Interval: The difference in time between the transit of the Moon over the meridian of Greenwich and a local meridian. The average value of this interval, expressed in hours, is 0.069 L, where L is the . . . View Full Definition

Lunar Time: Time based upon the rotation of the Earth relative to the Moon. See lunar day.

Lunicurrent Interval: The interval between the Moon's transit (upper or lower) over the local or Greenwich meridian and a specified phase of the tidal current following the transit. Examples are strength of flood . . . View Full Definition

Lunar Tide: That part of the tide on the Earth due solely to the Moon as distinguished from that part due to the Sun.