astronomical date

astronomical date

[‚as·trə′näm·ə·kəl ′dāt]
(astronomy)
Designation of epoch by year, month, day, and decimal fraction.
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References in periodicals archive ?
To recreate conditions, the variables require an analysis of the moon's phase and position on the date of the accident and then identification of a corresponding astronomical date and time.
The authors have previously derived astronomical dates for two other paintings by van Gogh (October 1988 and April 2001 issues) and a moonrise photograph by Ansel Adams (December 1994 issue).

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