. >> reporter: kimberly collins of promgirl.com paid that to national day calendar hoping prom day will drive sales and raise money for charity so thursday, prom day will have its own official hash tag. there are about 1,200 days on his national day calendar but most requests are denied. there is a vetting process. >> they wanted to know more about us, who we are, why we should be declaring prom day and why it's so important to girls. yeah, they definitely, there's a process around it. >> we have a committee of four people. they have to go through these and it has to be a unanimous vote between these four people for that day to become a national day. >> reporter: of course these officials days aren't really official. they haven't been passed by congress or presidential proclamation. there are only about 60 of those days. while social media celebrates national prom day thursday, the nation will officially celebrate national cesar chavez day named after the pioneer for farm workers' day. >> on that note that does it for "nightly business report." i'm sue herera. thanks for joining us. >>