It will become an issue when made an issue... I would suggest that if you have a chocks off or chocks on time and duration of that time that you simply 'do the math'.
If you don't (and I assume this is the case here), then I would be getting in touch with the operator for confirmation of the times NOW. trust me - you do not want this as an issue when you apply for your final CPL MEIR bits of paper!
Sod's law dictates that this will bite you on the backside at the first opportunity.