How far out to sign a lease

[Reggie Rearden]

I just picked up (3) BRRRR's in the past 2 months. One is being rented tomorrow (11/28/20), 1 will be ready January 1, and the other February 1. The 2 houses that are still under rehab are already being sought after and potential tenants want to sign leases now so they'll have them locked in. How far out do ya'll generally start signing contracts with tenants? I already had their applications on file from where they applied for another one of my rentals and they both qualify for the homes.