Question: What is the unit of time that has the least Wikidata time precision at night?
Paraphrase: What is the unit of time that has the slightest Wikidata time accuracy at night?
SPARQL (Wikidata): select ?ent where { ?ent wdt:P31 wd:Q1790144 . ?ent wdt:P2803 ?obj . ?ent wdt:P361 wd:Q575. } ORDER BY ASC(?obj)LIMIT 5