How do I indicate conversion of a rental property to primary residence, if I purchased the property, rented it, and converted it in the same year?

I purchased a rental property in March 2021 and continued to rent it to the existing tenant. In December 2021 the tenant left and I moved into the house as my primary residence. Where do I indicate the date on which the home became my primary residence in TT?

Here is the timeline:
    • Date acquired