When will i ovulate if my period ended january 13 and it lasts for 4 to 5 days?

Depends on Cycle: If you have a 28 day cycle, you will likely ovulate around january 23. There is some variation. If your cycle comes at different intervals that will change your day of ovulation.

Depends: It depends on the numbers of days of your cycle. The length of the period does not matter. If you have 28 day cycles, you will ovulate on day 14. However, , you can always have a strange cycle and release an egg another day during the cycle.