there are 21 working days in January
Starting from the 1st of January 2011 to the 30th of June 2011, is 181 days.
There are 25 days from January 20, 2011 to February 14, 2011.
18262 days between January 24 1961 and January 24 2011.
20 days from January 20th to February 9th 2011.
31
64 working days. (US)
There are 273 days from the dates 31st January to 01st November 2011.
31 days. Always 31 days.
246 days.
110 days.
20 in Jan incl NYD holiday observed the 3rd and 20 in Feb, no holidays