Special production time in barracks lost after leaving home island

I have noticed that if i leave my home island, either to a friends island, or to an adv, when i return to mine, i have lost the special 10% faster time on my barracks production. The star has gone from the graphics, and the time is back to the old time. If i refresh the game, the stars reappear and the time reverts to the new time. This is not a new problem, previous special weeks have had the same issue of the special offer disappearing after leaving home island.
prntscr.com/5sp1wi shows troops made before i left the island, and troops made after.
prntscr.com/5sp33k same troops after a refresh
and i did check, the time is changed, not just the graphics, even the previous set troops, which still have the star when i return have had the time changed back to the old time.

have contacted support.

I had exactly the opposite problem.

Didn't work for me when I first logged in, visited an adventure, came back and 2 hours knocked off the build queue.

Basically, it's just twitchy in both directions.

I currently have some with stars @10% and some not - truly odd

UPDATE (in case you missed it on the homepage):

The special weeks will be stopped on Monday night (19th of January) and will be deployed with an updated version later. New time span will be published once the decision is made. Sorry for the short notice change.

So your issue should be solved next week.