U₄.NA₂.A
ūm bubbuli

Akkadian noun

Last edited: 2024-12-02
Primary meaning day of last crescent visibility
Literal translation ay of disappearance
Variants
U₄.NA₂.A ūm bubbuli
U₄.NA₂.AM₃ ūm bubbuli
Edited by
day of last crescent visibility astronomical phenomenon

⸢U₄.NA₂⸣.AM₃ ana DU₃-ka

‘In order for you to compute the day of disappearance.’

— BM 32167+ (BMAPT No. 53) rev. ii 17

Genre: mathematical astronomy: procedure text
Provenance: Babylon
Date: ca. 350-250 BCE

Ossendrijver, M. 2012. Babylonian Mathematical Astronomy: Procedure Texts. New York: Springer.

time from last visible moonrise before sunrise until sunrise (KUR) astronomical quantity: lunar six interval

rare name for interval KUR

10) ša₂ i-re-ḫi A.RA₂ ZI 11) ša₂ ITI-šu₂ DU-ma TA U₄.NA₂.A ša₂ GU₄ ZI

‘10) What remains 11) you multiply by the displacement for its month, and you subtract it from KUR for month II.’

— BM 36722 (BMAPT No. 52) obv. ii 10-11

Genre: mathematical astronomy: procedure text
Provenance: Babylon
Date: Seleucid

Ossendrijver, M. 2012. Babylonian Mathematical Astronomy: Procedure Texts. New York: Springer

See also

〈KUR〉 ? ‘time from last visible moonrise before sunrise until sunrise’

Cite this entry
APA (7th)
Ossendrijver, M. (2024). U₄.NA₂.A (Lemma #2691). The ZODIAC Glossary: A Cross-Cultural Glossary of Ancient Astral Science. https://zodiacglossary.github.io/lemma/2691/
Chicago (Author-Date)
Ossendrijver, M. (2024). U₄.NA₂.A (Lemma #2691). The ZODIAC Glossary: A Cross-Cultural Glossary of Ancient Astral Science. https://zodiacglossary.github.io/lemma/2691/
MLA (9th)
Ossendrijver, M. (2024). U₄.NA₂.A (Lemma #2691). The ZODIAC Glossary: A Cross-Cultural Glossary of Ancient Astral Science. https://zodiacglossary.github.io/lemma/2691/
Harvard
Ossendrijver, M. (2024) U₄.NA₂.A (Lemma #2691), The ZODIAC Glossary: A Cross-Cultural Glossary of Ancient Astral Science. Available at: https://zodiacglossary.github.io/lemma/2691/ (Accessed: February 2, 2026).
BibTeX 
@misc{zodiac2691,
	note = {[Online; accessed 2026-02-02]},
	author = {Ossendrijver, Mathieu},
	year = {2024},
	title = {U₄.{NA}₂.{A} ({Lemma} #2691)},
	url = {https://zodiacglossary.github.io/lemma/2691/},
	howpublished = {https://zodiacglossary.github.io/lemma/2691/},
}