ūm bubbuli

U₄.NA₂.A
Akkadian · noun
variant U₄.NA₂.AM₃ : ūm bubbuli
Edited by: Mathieu Ossendrijver
Last edited: 2026-08-26
Meanings
Literal translation
day of disappearance
Categories
astronomical phenomenon
synodic phenomenon
lunar six interval
Related Lemmata 2 ›

1. day of last crescent visibility

1.a day of last crescent visibility astronomical phenomenon, synodic 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.

2. time from last visible moonrise before sunrise until sunrise (KUR)

2.a time from last visible moonrise before sunrise until sunrise (KUR) 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

Cite this entry
APA (7th)
Ossendrijver, M. (2026). 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. (2026). 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. (2026). 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. (2026) 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: November 5, 2026).
BibTeX 
@misc{zodiac2691,
	note = {[Online; accessed 2026-11-05]},
	author = {Ossendrijver, Mathieu},
	year = {2026},
	title = {U₄.{NA}₂.{A} ({Lemma} #2691)},
	url = {https://zodiacglossary.github.io/lemma/2691/},
	howpublished = {https://zodiacglossary.github.io/lemma/2691/},
}