Oh, noes! Overtime! O, the huge manatee! Poor babies only get about 20 federal holidays a year along with limitless sick days and 6 weeks of vacation.
I've been drinking off the govt tit for a long while and I while I'll be the first to agree that time off (Vacation and holidays) are about as good as you are going to get; you have exaggerated holidays and vacation time.
There are 10 Federal holidays; though you might get an extra one for Christmas, e.g. If Christmas is on Thursday, the President usually gives Friday.
Sick leave is 104 hours per year and it does not expire. Some people do use it as "vacation time," but if caught the repercussions can be pretty bad. For older people this is a really good benefit. I know of one guy who had a stroke, had three months rehab and came back to work with sick leave still on the books.
Vacation time is based on time in Federal service. For the first three years of employment, you accrued 13 days per year. From three years to 15 years, you accrue 19.5 days per year. From 15 years to retirement, you accrued 26 days per year. You can only carry over 30 days per year to the next year.