Most modern copyright laws protect materials for the life of the author plus 50 (or 70) years, so the date the work was produced doesn't affect the term of copyright.
However, corporate works (for example a movie, a magazine, anything that was created by a large number of contributors) are protected for an amount of time starting when they were created or released to the public, so the date would be crucial in determining the status.
In the US, works prior to the last major revision of the copyright law (1976, coming into effect in 1978) are protected based on their original copyright date as well.
It can on websites, because it benefits the site to call each time the page is generated a new work. For other materials, it would be the date it was fixed in a tangible format.
publishers date is when the work was first printed... copyright date is when the work was first copyrigted... i don't believe they are different to often but I could be wrong... copyright dates usually have the the copyright symbol next to them (that little c in the circle) so you can tell them apart
Not necessarily. The release date can be well after the copyright date.
A corporate entity would not have a copyright date.
The copyright date of the original book is July 24th, 1954The copyright date of the movie is December 19th, 2001The copyright date of the video game is September 24th, 2002
The copyright date of Twilight is 2005.
No, a copyright date is the first date of publication and an imprint date can be many years later, e.g., a later edition based upon the original copyright date.
Each volume has its own copyright date.
the copyright date is 2005
what is the copyright date in the red badge of courage
Google gives the copyright date as the current year, because that's the date the page rendered.
The copyright date does not apply to the skateboard. It is, most likely, in reference to the decorationson the board (images, text, etc). As such the date refers to the date when the work was created/published and will remain the same no matter when the boards are manufactured.
The year of the encyclopedia is the year of the copyright; there are far too many editions to answer this question directly.