One man was killed and at least 12 other people were shot across the South and West sides in less than six hours from late Friday into early Saturday.

A man was killed and five other people were shot at a house party early Saturday in the West Garfield Park neighborhood.

The six were all shot about 1:10 a.m. Saturday at a party in a two-flat in the 4300 block of West Wilcox Street, police said.

Partygoers were standing on a second-floor back porch when someone began firing shots at them from the alley, according to police News Affairs Officer Janel Sedevic.

When the people began running inside, a person opened fire from the front entrance of the building, Sedevic said.

Jordan Harris, 24, of the 3000 block of West Jackson Boulevard, was shot in the throat and taken to John H. Stroger Jr. Hospital of Cook County where he later died, according to the Cook County Medical Examiner’s office.

A 23-year-old man shot in the shoulder and back was taken to Mount Sinai Hospital in critical condition, police said.

A 32-year-old man was shot in the abdomen and taken to Mount Sinai in “stable” condition, and a 27-year-old woman shot in the foot also was taken to Mount Sinai in good condition, police said.

Another woman, 25, was shot in the buttocks and also taken to Stroger Hospital. She was listed in “stable” condition, police said.

A 43-year-old man was shot in the foot and taken to Rush University Medical Center in good condition, police said.

Between 2 and 3 a.m., several dozen people gathered outside Stroger Hospital, many of whom were crying after learning of the death of the 24-year-old man. One man was pacing through the parking lot, crying and screaming “He’s f–ing dead!” into his cell phone.

About an hour earlier, a 24-year-old man was shot in the leg in the 500 block of South Clinton Street, police said. He was taken to Stroger Hospital in “stable” condition.

About 11:30 p.m. Friday, a 30-year-old man was seriously in a shooting in the 9600 block of South Carpenter Street, police said. He was shot in the abdomen and shoulder and taken to Advocate Christ Medical Center in Oak Lawn in serious condition.

Ten minutes earlier, a male was shot twice in the back in the 6000 block of South Hermitage Avenue in West Englewood. He was also taken to Christ Medical Center, but his condition was not immediately known, police said.

About 10:15 p.m., a 16-year-old boy and a 22-year-old man were shot while sitting in a car in the 3400 block of West Walnut Street, police said.

The teen was shot in the shoulder, and the man in the buttocks. Both were taken to Mount Sinai Hospital in “stable” condition, police said.

At 8:10 p.m., a 21-year-old man was walking in the 1200 block of South Tripp Avenue when two suspects walked up and opened fire at him, striking him in the leg, police said. He was taken to Mount Sinai Hospital in “stable” condition.

The weekend’s first shooting occurred at 8 p.m. in the 900 block of North Monticello Avenue in the Humboldt Park neighborhood.

A 27-year-old woman was shot twice and took herself to Norwegian American Hospital, police said. She was listed in “stable” condition.

No one is in custody for any of the shootings as area detectives investigate.