500 thousand but it may vary
the Sunday 7 weeks after Easter
From the first Sunday to the last Saturday of 2013 is 51 weeks.
313 weeks.
3 weeks after Sunday, July 18, 2010 = Sunday, August 8, 2010.
1 week
It is 1/7 - for any number of weeks.
From Sunday the 25th of January 2015, when the question was asked, Sunday the 26th of January 2014 was 52 weeks ago.
Today is Sunday 4 April 2010. 75 weeks from now, the date will be Sunday 11 September 2011.
That was a Sunday (two weeks after Easter).
Pentecost Sunday (7th sunday after Easter)
Sunday 31st May 2009. Whit Sunday is always exactly 7 weeks after Easter Sunday.
Saturday and Sunday.