Geocentric Coordinate Time Geocentric Coordinate Time Geocentric Coordinate Time (TCG - Temps-coordonnée géocentrique) is a coordinate time standard intended to be used as the independent variable of time for all calculations pertaining to precession, nutation, the Moon, and artificial satellites of the Earth. It is equivalent to the proper time experienced by a clock at rest in a coordinate frame co-moving with the center of the Earth: that is, a clock that performs exactly the same movements as the Earth but is outside the Earth's gravity well. It is therefore not influenced by the gravitational time dilation caused by the Earth. TCG was
Central Congregational Church (Eastport, Maine) clock was added at the time. Central Congregational Church (Eastport, Maine) The Central Congregational Church is a historic church at 26 Middle Street in Eastport, Maine, USA. The meeting house was built in 1829, and is a remarkably sophisticated example of Federal style architecture for what was then a frontier community. It was listed on the National Register of Historic Places in 1976. The Central Congregational Church of Eastport is set on the west side of Middle Street, midway between Boyton and Key Streets. It is a gable-roofed wood frame structure, with clapboard siding and a stone foundation. Its main