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
1
12 or 13 in 2011 (Current year - year born = age (+/- 1 year).)
123
1930/1
Pups typically turn 1 year old on their first birthday, exactly one year from their date of birth.
1 year old because they are born zero months old
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.
In 2010, 1 year
10 year old was born in 2000.
One year & a couple of days.