ephemeris time (Q908676)
time standard
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Current Data About ephemeris time
(P31) (Q6313217)

(P571) +1950-00-00T00:00:00Z

(P1365) (Q874572)
(P585) Friday, January 1, 1960

(P1366) (Q462926)
(P585) +1984-00-00T00:00:00Z
(P248)

other details