The place a day is not known particularly, "c. " can be utilized for "circa". Other illustrations are given at WP:APPROXDATE, Though "fl. " for "floruit" should be avoided as It isn't universally understood. Hundreds of years should not be abbreviated "c. " because of the possible for confusion with https://spencerlpafk.p2blogs.com/34137324/the-smart-trick-of-short-that-no-one-is-discussing