Meanings
nounhour circle (plural hour circles)
plural hour circles
- astronomyThe great circle through an object whose location is to be determined and the two celestial poles.
Cite this entry
APA
hour circle. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/hour%20circle
MLA
“hour circle.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/hour%20circle. Accessed November 4, 2026.
Chicago
WatkinsX Dictionary, s.v. “hour circle,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/hour%20circle.
Source: hour circle on Wiktionary, CC BY-SA 4.0.