lunes
Monday
noun LOO-nes Less Common
Origin: From Latin lunae dies, 'day of the Moon'.
Usage Note
Lunes is invariable in the plural — el lunes (this Monday / on Monday) and los lunes (Mondays) share the same form. Days of the week are masculine and written in lowercase in Spanish. No -s is added for the plural.
Examples
"La reunión es el lunes."
Natural Translation
The meeting is on Monday.

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