It happened around 5:25 p.m. on the 1500 block of Colombus Boulevard in South Philadelphia.
Police say 66-year-old Taing Sophy was on a bike traveling on Tasker Avenue when she was hit by the driver of a Toyota Corolla as she was turning onto Columbus Blvd.
Sophy was transported to an area hospital where she was pronounced dead on Saturday.
Police say the driver did stay at the scene.
No charges have been filed at this time.