Louvre

http://www.louvre.fr/en/hours-admission
Monday, Thursday, Saturday, Sunday: from 9 a.m. to 6 p.m.
Wednesday, Friday: from 9 a.m. to 9:45 p.m.
Closed on Tuesdays
Rooms begin closing 30 minutes before museum closing time.
From October to March: access to the permanent collections is free for all visitors on the first Sunday of each month.
 
http://www.louvre.fr/en/how-use-louvre

Tours of the garden are scheduled at 3:30 p.m. on Saturdays, Sundays and public holidays, from late April to late October. Tours depart from the Arc de Triomphe du Carrousel.

http://mini-site.louvre.fr/mantegna/acc/xmlen/section_7_0.html 
Andrea Mantegna (Isola di Carturo, circa 1431 - Mantua, 1506)
Madonna della Vittoria 
http://cartelen.louvre.fr/cartelen/visite?srv=car_not_frame&idNotice=13654&langue=en 
Denon
1st Floor Italian paintings

Grande Galerie (Room 5)Painting in Tuscany and northern Italy, 15th–16th centuryGhirlandaio, Perugino, Leonardo da Vinci, Mantegna, Giovanni Bellini, Carpaccio