2009+ 624 = 2633 years ago
From 1BC to 2009 was 2009 years, as there was no year zero.
4023
4023
2009+1800= 3809 years ago
2159 years
You would think the answer was 2009-(-543) = 2009+543 = 2552 but, since there was no year 0, the answer is 2551.
06-10-2010 : 2762 years ago.
2009 bc 2009 bc 2009 bc 2009 bc 2009 bc
2451 years
470 years.
287 BC- Archimedes 325 BC- Euclid 569 BC- Pythagoras 624 BC- Thales 1596- Descartes 1777- Gauss
If you are attempting to find the total amount of time, you would add the BC years to the AD years. 1200 BC would be 1200 + 2009 = 3209 years ago.