Federal pay period calendars 2009 can be found at:
USDA's National Finance Center. See links below
The 2008 federal pay period calendar can be found on the official website of the U.S. Office of Personnel Management (OPM). You can search for it using keywords like "OPM federal pay period calendar 2008."
http://i2i.nfc.usda.gov/Forms/1217n_09.pdf
OhMyGov has all the current 2012 Federal Calendars to date.
The version I favor can be found at CPMS. See related link.
OhMyGov! has the best Federal Pay Calendar for 2011 so far. If you want to know when that money will appear in your bank account, or if you are looking for more information, including all those federal holidays, pay periods and your payroll dates, you have a choice between the following detailed pay calendars either Justice's federal pay calendar for 2011 or DoD's federal pay calendar for 2011.
period of 12 calendar month
A biweekly pay period consists of 14 calendar and 10 working days (including holidays). The 26.0892 factor is determined by dividing the number of calendar days in a pay period into the average number of days in a year (365.25/14) = 26.0892.
2p
April 15th falls midweek in 2009 and as such that is the deadline to pay Federal taxes in the U.S.
The senate and President George W. Bush recently passed a bill which would increase federal and military salaries by 3.9% in 2009. http://www.govcentral.com/benefits/2374-2009-government-pay-schedule
$2761.64
Congress passed and the President signed legislation for the 2009 federal pay raise providing a 3.9 percent overall average increase for General Schedule employees. http://www.myfederalretirement.com/public/194.cfm