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Calendar not working correctly - time allocation problem

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  • Last reply by poljos

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Hi, I will describe my procces of saving events in my calendat. This problem occured with a last software update. I use Thunderbird 115.4.2 (64 bits) on macOS 14.1 and the problem happens only with this calendar hosted: https://email.active24.com/webdav/XXX@YYY.ZZZ/Calendar/. I dont have this problem with GMAIL calendars.

I create and save an event in my calendar (XXX@YYY.ZZZ) e.g. 5pm on 14th of December 2023, everything looks good. After quitting the app and reopening it the same event shifts towards earlier time 8amp on the same day. Even when I shift it back, next time it's shifted to earlier time. And the other thing is that when I want to manually shift an event with my mouse to change time, the event automaticly changes it's time to 12am of the same day. I can even change start or end of an event with my mouse, becasue everytime I try to do it, the event automaticly changes its origin to 12am. So, no event can be moved and it becomes a headake when I realise I've just donated money :D

It does happen only when I create any event in Thunderbird on my Mac.

It doesn't happen when I'm invited to an event, when I create any event in the native Calendar app on macOS or iOS.

---–>See in the pictures.

Thank you for any help.

Hi, I will describe my procces of saving events in my calendat. This problem occured with a last software update. I use Thunderbird 115.4.2 (64 bits) on macOS 14.1 and the problem happens only with this calendar hosted: https://email.active24.com/webdav/XXX@YYY.ZZZ/Calendar/. I dont have this problem with GMAIL calendars. I create and save an event in my calendar (XXX@YYY.ZZZ) e.g. 5pm on 14th of December 2023, everything looks good. After quitting the app and reopening it the same event shifts towards earlier time 8amp on the same day. Even when I shift it back, next time it's shifted to earlier time. And the other thing is that when I want to manually shift an event with my mouse to change time, the event automaticly changes it's time to 12am of the same day. I can even change start or end of an event with my mouse, becasue everytime I try to do it, the event automaticly changes its origin to 12am. So, no event can be moved and it becomes a headake when I realise I've just donated money :D It does happen only when I create any event in Thunderbird on my Mac. It doesn't happen when I'm invited to an event, when I create any event in the native Calendar app on macOS or iOS. ---–>See in the pictures. Thank you for any help.
Attached screenshots

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Tohle je asi problém, který tady nikdo nevyřeší. Zkus se obrátit na autory programu https://bugzilla.mozilla.org