The estimated date of birth is September 24th
The estimated date of birth is January 22nd 2010
The estimated date of birth is January 20th
17th April 2010? That would make your due date roughly January 22nd
About January 6th
I will assume you are talking about May 1st 2011. This makes your due date roughly January 22nd 2012. This date is give or take a few days though. It is also worth remembering that babies rarely arrive on their due date!
18th April 2009? Your due date would be roughly Saturday January 23rd 2010
Roughly Saturday February 9th 2008
You probably conceived between January 7th and January 15th
The approximate date of conception was March 21st
Roughly Monday December 1st 2008
April 25th 2010? That would make your due date roughly January 30th 2011
If the invoice is terms of net 30, the invoice is past due on the 31st day after the invoice date. If the invoice is dated January 1st January, generally the date it's due by is January 30th, (you count the invoice date of January 1st as the first day), meaning one day past due would be on the 31st day after the invoice date, making it January 31st.