Have a diagnosis of prostate cancer or metastatic breast cancer
Have current use or a history of hormone therapy (e.g., androgen deprivation therapy, aromatase inhibitors)
Have a life expectancy of ≥1 year
Be 55 years of age or older
Typically consume food within a window that is greater than 12 hours
Be able to communicate in English
Have a body mass index (BMI) ≥18.5 kg/m\^2
You may not be if
Be employed in overnight shift work more than 1 day/week on average
Be on enteral or parenteral nutrition
Have any contraindications to the proposed intervention as identified by their medical provider (e.g., type 1 diabetes, pregnancy, recent history of an eating disorder, recent bariatric surgery, insulin dependency)
Have had time zone travel ≥2 time zones away within the last 4 weeks, or have time zone travel (≥2 time zones away) planned for more than 2 days in the next 14 weeks.
