time coordinate
121Chronon — A chronon is a proposed quantum of time, that is, a discrete and indivisible unit of time as part of a theory that proposes that time is not continuous. While time is a continuous quantity in both standard quantum mechanics and general relativity …
122Complication (horology) — Watch Greubel Forsey Invention Piece 1 …
123Chronometry — (from Greek χρόνος time and μέτρηση measurement ) is the science of the measurement of time, or timekeeping. It should not to be confused with chronology, the science of locating events in time, which often relies upon it. See also Chronometer… …
124Lunar distance (navigation) — For the history of the lunar distance method, see History of longitude. Finding Greenwich time while at sea using a lunar distance. The Lunar Distance is the angle between the Moon and a star (or the Sun). The altitudes of the two bodies are used …
125Mental chronometry — For Ian Lowe s book, see Reaction Time (book). Reaction time redirects here. For the biological mechanism, see Reflex. Mental chronometry is the use of response time in perceptual motor tasks to infer the content, duration, and temporal… …
126Marine chronometer — Breguet twin barrel box chronometer. Classification Clock Industry Transportation …
127Chronometer watch — For other uses, see Chronometer (disambiguation). Inside chronometer mechanism . A chronometer watch is a specific type of watch tested and certified to meet certain precision standards. In Switzerland, only timepieces certified by the COSC may… …
128OLB5 — was the callsign of a Czech time signal radio station. The station was located at Poděbrady and transmitted time signals originated from the OMA clock at Liblice. The station transmitted in the HF band on 3170 kHz with 1 kW.[1]… …
