What day is "senior day" and what is the discount?

Tuesday

Every day I'm not for sure. If they have that but they tickets is cheap. I paid 5.25

Cinemark Offers Seniors the Silver Screen at a Golden Value! All Day on participating day, any movie*, any showtime. One film/showtime per ticket purchased at the Seniors Day discount price, plus applicable sales taxes. Each ticket purchased for Seniors Day showings are at the Seniors Day discount price. RealD 3D showtimes – Seniors Day price plus premium. Exclusions apply. Check your local theatre box office for pricing and participation information. *Seniors Day Price not valid for Cinemark XD, Xtreme, IMAX and Special Engagements.