Day 3: 7:00 A.M.-8:00 A.M. - S3-E19
Plot hole: How did they manage to strip Jane of her clothes and get Kim out of her own and into Jane's in the very short amount of time they did it in?
Day 3: 3:00 P.M.-4:00 P.M. - S3-E3
Plot hole: In the scene when Jack and Nicole isolate the Singers, Jack is informed that they've been tested on site, and the results were negative for the virus, less than 15 minutes after being isolated. However, later in the day the results take several hours to be made available, and have to be processed elsewhere, in a lab. (00:17:45)
Answer: This is unintentional and a simple continuity mistake.