Best Dates To Retire In 2025 Fers. Chris kowalik reviews the various factors that go into choosing an ideal date to retire from federal service including your pension, the thrift savings plan, and other benefits Fers if you are a fers employee, you have to retire no later than the last day of a month if you want to be on the annuity roll in the following month.

Csrs employees can retire up to the third day of the. Let cut right to the chase.