The day in which I'm forced to give up my bike will be a sad day for me.

The day on which I'm forced to give up my bike will be a sad day for me.

The day at which I'm forced to give up my bike will be a sad day for me.

Are the three sentences are Okay?
If they are all Okay, are there any differences between them?

IIt's somewhat tricky to use prepositions...

Thank you.