Why to update all the content? when there are only a few files updated

[ravello]

Hello,

I spent a few days without syncing my files from the PC to the USD drive and when I try to update today it tells me to update all the content, when there are only a few files updated (using mirror sync).
Why can it happen?

Thanks in advance

[Plerry]

Perhaps you did not account for Daylight Saving Time.

[ravello]

Thanks a lot!
That was the problem!