Date rolled back 1 day

Karellen · Today, 02:32 AM

I have a Last Read field which, obviously, I add the date I last read the book. This field can only hold a single date.

I also have a My Comments field, where I sometimes write my thoughts on the book, particularly if I really loved it, or if I really hated it. In the My Comments field, I also add the last read date to the list.

I have noticed on some books (about 15 so far) the dates are now mismatched. The Last Read field seems to have rolled back one day. So far I have only noticed it affecting books that have a 2021 date.

Does anybody know why this has happened?

kovidgoyal · Today, 03:00 AM

Timezone.

Karellen · Today, 03:40 AM

Ok, but I haven't moved. Still the same timezone.
Why some books and not others?
Not really an issue for me as the dates are not meant to be precise, just a guide. But was just curious why it happened.

ownedbycats · Today, 06:17 AM

Open the MDE and hover over the date column to see the full timestamp. Depending on your timezone, the GMT might've landed on a different date - I'm GMT -4:00, so I occasionally have issues between 8pm and 12am.

Today, 02:32 AM	#1
Karellen Wizard Posts: 1,314 Karma: 6700864 Join Date: Sep 2021 Location: Australia Device: Kobo Libra 2	Date rolled back 1 day I have a Last Read field which, obviously, I add the date I last read the book. This field can only hold a single date. I also have a My Comments field, where I sometimes write my thoughts on the book, particularly if I really loved it, or if I really hated it. In the My Comments field, I also add the last read date to the list. I have noticed on some books (about 15 so far) the dates are now mismatched. The Last Read field seems to have rolled back one day. So far I have only noticed it affecting books that have a 2021 date. Does anybody know why this has happened? Attached Thumbnails

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Today, 03:00 AM	#2
kovidgoyal creator of calibre Posts: 44,362 Karma: 23752080 Join Date: Oct 2006 Location: Mumbai, India Device: Various	Timezone.

Today, 03:40 AM	#3
Karellen Wizard Posts: 1,314 Karma: 6700864 Join Date: Sep 2021 Location: Australia Device: Kobo Libra 2	Ok, but I haven't moved. Still the same timezone. Why some books and not others? Not really an issue for me as the dates are not meant to be precise, just a guide. But was just curious why it happened.

Today, 06:17 AM	#4
ownedbycats Custom User Title Posts: 9,312 Karma: 63232809 Join Date: Oct 2018 Location: Canada Device: Kobo Libra H2O, formerly Aura HD	Open the MDE and hover over the date column to see the full timestamp. Depending on your timezone, the GMT might've landed on a different date - I'm GMT -4:00, so I occasionally have issues between 8pm and 12am.

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