The actual calculation of creditable service adds years, months, and days separately for civilian employment, military employment repurchased, and unused sick leave. Days are then converted to months using 30 days as one month, with any remaining days dropped. | The actual calculation of creditable service adds years, months, and days separately for civilian employment, military employment repurchased, and unused sick leave. Days are then converted to months using 30 days as one month, with any remaining days dropped. |