Aspose.Words for Java (tested v14.6.0) does not correctly handle the revisions timestamps.
According to Word (v2010, see before.png), there are no timestamps.
However Aspose returns a value (Sat Jan 01 01:00:00 CET 1).
Furthermore, after saving the given rtf, the timestamps changes (see after.png, Fri Jan 01 00:00:00 CET 2049).
Document doc = new Document("test.rtf");
System.out.println(doc.getRevisions().get(0).getDateTime()); // Sat Jan 01 01:00:00 CET 1
doc.save("test2.rtf");
Document doc2 = new Document("test2.rtf");
System.out.println(doc2.getRevisions().get(0).getDateTime()); // Fri Jan 01 00:00:00 CET 2049
Thanks
Romain