Originally Posted by tennisguru

This is true, but financially speaking it is better to PD reserve days to break up long blocks and save the banked PB days to churn late in the year. Both a PB and PD require positive coverage so there is no specific benefit to using the PB over the PD. And if you can turn those banked PB days into ~8+ hours of pay each you'll more than make up for the ~4:30 loss in pay when you PD a reserve day.