How many days does the morning after pill delay ovulation? If you're supposed to ovulate 4/7 When is the new ovulation date?

Unknown/unknown. Depending on the timing and type of pill, this may or may not prevent ovulation.If it does the reset period is unknown.It does change the character of uterine mucous and make the environment less suitable for implantation.Conception could occur but shed because it would not implant.
For the cycle. it workd by preventing ovulation for the cycle or preventing fertilization or preventing egg attaching to endometrium.