Time running out on ltb, what do I do?

[Johnny 8Ball]

I'm sure this type question has been asked before, but time is running out and I need to know what to do. I am currently on lvl 9 upgrading to 10 of the Island POW Camp ltb. The upgrade is scheduled to complete in 64 hours, but Costa Rica is scheduled to end in 55 hours. Will I get the level 10 bonus if I let it run out the full 64 hours, or do I need to use gold to complete the upgrade before the 55 hours is up?

[Ourpalace]

Need to be completed within the time.

[Rolinz]

use gold just before 55 hours is up.

[MW Flake]

I'd give yourself a few hour cushion. A sudden lockout or unannounced schedule change and your are screwed.

[-Commando-]

I always use the ltb sheet and use gold to start level 10 early enough to finish with 2 hours to spare. That way I don't miss the end by mistake.

https://docs.google.com/spreadsheets/d/1NABccJYLgeqyMlHJ6yUyO0GCCvS6YBnuiW61BczRvtc/edit#gid=0