This bug is not fixed in 1.6.0-2. I just (Dec 23, ~2pm) scanned a document and saved it as PDF. But the metadata claims Dec 22, 1am:
$ pdfinfo /build/work/rsc2017.pdf Title: Urlaubsmeldung Subject: NONE Keywords: NONE Author: Roderich Schupp Creator: gscan2pdf v1.6.0 Producer: PDF::API2 2.030 [linux] CreationDate: Thu Dec 22 01:00:00 2016 CET ModDate: Thu Dec 22 01:00:00 2016 CET Moreover, the file's mtime was also set to this date: $ stat /build/work/rsc2017.pdf File: /build/work/rsc2017.pdf Size: 86450 Blocks: 176 IO Block: 4096 regular file Device: 802h/2050d Inode: 2490385 Links: 1 Access: (0644/-rw-r--r--) Uid: ( 2000/roderich) Gid: ( 2000/roderich) Access: 2016-12-23 14:18:39.636340759 +0100 Modify: 2016-12-22 01:00:00.000000000 +0100 Change: 2016-12-23 14:16:33.955023348 +0100 Birth: - Cheers, Roderich