What are the dates for the 9th and 20th business day for the rest of this year and all of next year?
I need to quickly figure the 9th and 20th business days of each month for the rest of 2012 and all of 2013. Preferably not in a manual fashion. [more inside]
How long is a day around the world? [more inside]
I am looking for the most accurate calendar. With even increments and no exceptions(leap years). [more inside]
What is the difference between Greenwich time, Zulu and UTC? Is Zulu and UTC a form of Greenwich time? I can't seem to find a page that states the difference. And do these forms of measurement not recognize daylight savings? Thanks in advance!
From when and where does the idea of having a 'weekend' come? Who first decided that two days out of seven should be kept work-free (for most working people)?