MOCKUP, not live
On this device
A year you can look at.
Medicare window
Source slot: Medicare.gov. Date checked: blank until review.
Social Security ages
Source slot: SSA.gov. Do not publish an age from memory.
RMD and state filing
Source slots: IRS and MA or NH revenue. Illustrative layout, not advice.
Download as a calendar file once the dates are sourced. This still shows the shape, not the law.