Several babies were born at the DMC Hutzel Women's Hospital on March 13, 2021 -- otherwise known as 313 Day. The Detroit Medical Center’s Hutzel Women’s Hospital welcomed several newborn Detroiters on Saturday, March 13 -- or, better known as 313 Day in the city. Full Screen 1 / 5 Several babies were born at the Detroit Medical Center Hutzel Women's Hospital on Saturday, March 13, 2021 -- otherwise known as 313 Day. Pure Detroit provided Detroit-themed apparel for all the babies born at the hospital Saturday. The babies were dressed in onesies to celebrate 313 Day to show their pride as new Detroiters.