From what I can recall, from the top of my head, we are required to confess at least once a year. In the precepts, it doesn’t say anything about a particular timing of the confession, just
at least once a year. Of course, if one were aware of mortal sin(s) that needed confessing, one should seek confession sooner/more regularly.
It is the Eucharist that we must receive during the Easter season (again,* at least*.) And even for that, there is still time as there is still plenty of Easter left.
I don’t see it being an issue that you did not confess during Lent, unless you were in mortal sin and received knowingly. Of course, when in doubt, speak to your confessor. I find that most helpful.
Not sure if that is at all helpful. Or perhaps I might have read the precepts of the church incorrectly. I am sure someone more insightful on the matter will also reply and correct me of anything I was wrong about. At least I hope they would
