Last modified: 2014-04-01 12:29:40 UTC
e.g. 12.12.12345 will give you "The format of the time could not be determined. Parsing failed."
This is specific to the DateTimeParser class that uses the DateTime object Other values in other parsers work with larger years i.e. 1000000 June 202020 in 1,000,000 years etc.
Change 119040 had a related patch set uploaded by Addshore: Support 5+ digit years in DateTimeParser https://gerrit.wikimedia.org/r/119040
Change 119040 merged by jenkins-bot: Support 5+ digit years in DateTimeParser https://gerrit.wikimedia.org/r/119040