How come the Chinese calendar seems off by one day?

Q

http://herongyang.com/2016/ - the printable calendar seems off by one day for the 2nd lunar month in 2016. Should start on March 9th, but yours starts on March 8th?

✍: Guest

A
Which version is giving the wrong date? I have checked all printable versions and they all show that the 2nd lunar month starts on March 9. -- Herong

2016-03-10, 951👍, 0💬