Depends on how long your cycle is. Not everyone ovulates 14 days after the start of their cycle. Some women ovulate earlier or later than others.
14 days after you start you have a three day window of ovulation. So if you're trying to conceive try between 13-15 days (the day before is still good to try) after period starts. So for you between the 26-29 would be best to try. All 4 days give you the chance