Calibre 2.70 - {pubdate} is 1 year off

DrChiper · 10-14-2016, 08:21 AM

When I export books to disk, I use a template with contains {pubdate} to make up the file name. This worked until today.
Today, after installing version 2.70, I found that the resulting date (year) is 1 year off. So a pub date of 1991 in the database becomes according {pubdate} 1990, 2015 becomes 2014, etc.

Update: strangely, it does not happen always.

kovidgoyal · 10-14-2016, 09:17 AM

There weren't any changes to templates in 2.70. Most likely, this has always been the case. If you have a date like 1-1-1991:0:00UTC the database, when you use it in a template it is converted to the local timezone, which may be either 2-1-1991 or 31-12-1990 depending on your timezone.

DrChiper · 10-14-2016, 09:39 AM

Yes, that makes sense.

I checked and all those ill behaving ones had the date 01-01-XXXX. Most of the times I do know the publishing year, but do not know the publishing month, so I enter Jan 1st as the date. When I make that Jan 2nd, every time the correct year is now used.

I agree, this behavior is apparently not new but must have lingered a long time and I did not noticed it

Thanks!

10-14-2016, 08:21 AM	#1
DrChiper Bookish Posts: 1,049 Karma: 2006208 Join Date: Jun 2011 Device: PC, t1, t2, t3, Clara BW, Clara HD, Libra 2, Libra Color, Nxtpaper 11	Calibre 2.70 - {pubdate} is 1 year off When I export books to disk, I use a template with contains {pubdate} to make up the file name. This worked until today. Today, after installing version 2.70, I found that the resulting date (year) is 1 year off. So a pub date of 1991 in the database becomes according {pubdate} 1990, 2015 becomes 2014, etc. Update: strangely, it does not happen always. Last edited by DrChiper; 10-14-2016 at 09:45 AM.

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10-14-2016, 09:17 AM	#2
kovidgoyal creator of calibre Posts: 45,626 Karma: 28549046 Join Date: Oct 2006 Location: Mumbai, India Device: Various	There weren't any changes to templates in 2.70. Most likely, this has always been the case. If you have a date like 1-1-1991:0:00UTC the database, when you use it in a template it is converted to the local timezone, which may be either 2-1-1991 or 31-12-1990 depending on your timezone.

10-14-2016, 09:39 AM	#3
DrChiper Bookish Posts: 1,049 Karma: 2006208 Join Date: Jun 2011 Device: PC, t1, t2, t3, Clara BW, Clara HD, Libra 2, Libra Color, Nxtpaper 11	Yes, that makes sense. I checked and all those ill behaving ones had the date 01-01-XXXX. Most of the times I do know the publishing year, but do not know the publishing month, so I enter Jan 1st as the date. When I make that Jan 2nd, every time the correct year is now used. I agree, this behavior is apparently not new but must have lingered a long time and I did not noticed it Thanks!

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