"Olson Database", available for download from ftp://elsie.nci.nih.gov/pub/ These comments were included in each file. # This file is in the public domain, so clarified as of # 2009-05-17 by Arthur David Olson. # This data is by no means authoritative; if you think you know better, # go ahead and edit the file (and please send any changes to # tz@elsie.nci.nih.gov for general use in the future).