it would depend on what your cycle consisted of. Short esters like prop, suspension etc. start the day after. For longer esters like enan, eq... wait for it to clear your body. That should be around 2 - 3 weeks. here's an excerpt from sbi that breaks this down. this should help.
Steroid Time after last administration Length of Clomid Cycle
Anadrol50/Anapolan50: 8 - 12 hours 3 weeks
Deca durabolan: 3 weeks 4 weeks
Dianabol: 4 - 8 hours 3 weeks
Equipoise: 17 - 21 days 3 weeks
Finajet/Trenbolone: 3 days 3 weeks
Primabolan depot: 10 - 14 days 2 weeks
Sustanon: 3 weeks 3 weeks
Testosterone Cypionate: 2 weeks 3 weeks
Testosterone Enanthate/Testaviron: 2 weeks 3 weeks
Testosterone Propionate: 3 days 3 weeks
Testosterone Suspension: 4 - 8 hours 2-3 weeks
it's easier to just copy. i'm lazy.