Treat Calendar prize stays on Today only.

tomtom

Treat Calendar prize stays on first day only. Never updates to next day.

It keeps on giving first day prize several times a day.

Doesn't know the prize of the day has already been given.

_Elsa_

It's happening to me too and I say "thank you King for giving me this booster".  As long as I can get a daily booster from the calendar I am not too concerned about what I'm getting.  Are you playing the sugar drop challenge?  Here is a link to learn more about it:  https://care.king.com/en/blog/article/candy-crush-sugar-track-is-here

You can play it twice daily (ever 8 hours) and you can accumulate up to 13 boosters every 8 hours.  That's how I am able to get the different boosters besides the free booster from the calendar.