Because there was no year '0'; If you were born in 1BC you would be turning 2015 in the year 2016. If you were born in 1AD you would be turning 2014 in the year 2016.
Last year.
1
One year after they are born.
1
12 or 13 in 2011 (Current year - year born = age (+/- 1 year).)
123
If 1 AD, you would be 2009 years old If 1 BC, you would be 2009 years old There was no year 0. Christ was born in 2 BC If you are going by the Hebrew calendar, you would be 6036 years old.
10 year old was born in 2000.
One year & a couple of days.
less than 1 year old because it takes 284 years to make 1 orbit
This year (2013) would be your 35th birthday.
1 year old or 12 months old.