I think we should diurnally station a good London band on high, and play his Majesty to bed—the sun.
Mountain and valley breezes furnish another example of diurnally reversed winds.
It had never before dawned upon us that we thus added three uncounted miles to our fourteen diurnally counted ones.
late 14c., from Late Latin diurnalis "daily," from Latin dies "day" + -urnus, an adjectival suffix denoting time (cf. hibernus "wintery"). Dies "day" is from PIE root *dyeu- "to shine" (cf. Sanskrit diva "by day," Welsh diw, Breton deiz "day;" Armenian tiw; Lithuanian diena; Old Church Slavonic dini, Polish dzień, Russian den), literally "to shine" (cf. Greek delos "clear;" Latin deus, Sanskrit deva "god," literally "shining one;" Avestan dava- "spirit, demon;" Lithuanian devas, Old Norse tivar "gods;" Old English Tig, genitive Tiwes, see Tuesday).
diurnal di·ur·nal (dī-ûr'nəl)
Having a 24-hour period or cycle; daily.
Occurring or active during the daytime rather than at night.