Your heart's electrical system controls the timing of your heartbeat by regulating your: 1  Heart rate, which is the number of times your heart beats per minute. 2  Heart rhythm, which is the synchronized pumping action of your four heart chambers.
Get it delivered right to your inbox! Service Computation Date Determination. The service computation date is the date on which you start counting the years of service you need to retire. The date for most employees is the date on which they first enter the service. However, some have been on active duty with the armed forces and may be entitled to service credit for that time.
By Reg Jones on November 5, 2015 CSRS annuity computation, RETIREMENT, service computation date. Q. I am 56 years old and currently working as a Civil Service Retirement System (CSRS) employee. Though my civil service began nearly three decades ago, I am a grey area Army Reservist retiree. I have 24 years of service with 2 periods of Active Duty service with DD 214s for both. I have not bought any of my military time back, which is why my service computation date got pushed back by four years.