Stealing from the Public Domain
First, the historical records of international time zones go back over 120 years, long before any current copyright can be claimed.
Second, all changes to time zones must be by international conventions and are released as public standards, which are immediately public domain.
Third, any legislative change that permits, restricts or alters previous standards is, by virture of being a public document, automatically public domain.
Lastly, legislation or conventions declaring the observance of Daylight Savings time are also public documents, and therefore, public domain.
So, what original work has Astrolabe contributed, and what was the date of that publication? Can we see some evidence of the data they claim copyright over?
We, the citizens of the world and our own countries, have a right to use, without restriction, public domain materials. As a premise, we expect that once a document or work of art is deemed public domain, it can not be claimed by anyone as a new work subject to copyright.
In short, we as citizens must protect our rights by opposing any attempt to steal from the public domain. Otherwise, your children might have to pay royalties to print a copy of the Declaration of Independence, the Magna Charta, or even the schoolchild's tables of multiplication!
Any politician voting for privatization of public materials is an enemy of the people and should be solidly voted down. Political hacks who sell out our rights have no business in public office.
Further, any corporation attempting to steal from our public domain, even something so simple as a table of time zones, should be countersued for breach of public trust!
Biting the hand that feeds IT
