english word · 2026-07-29

Ephemeris

noun

Meaning

A table or data file providing the calculated positions of celestial bodies at regular intervals throughout a period of time. In astrology, it is used by practitioners to track planetary transits and calculate birth charts.

Etymology

From the Greek 'ephemeros', meaning 'lasting only a day'.

Examples

"I checked my ephemeris this morning and realized that Venus is finally moving into my seventh house next Tuesday."

"Before the digital age, every astrologer carried a thick printed ephemeris to look up planetary degrees manually."

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