As F.e.d says: we had months of rig shuttles on the Brent where we never flew a daytime flight with 0600/1800 shift change shuttles. Up to 10-12 landings an hour, too.
But it's now coming into summer and we have lots of lovely long sunny days, especially those where we have bushfires and smoke to contend with
Sorry, couldn't resist the OT bit, but offshore night landings and operations aren't a new magic issue that hasn't been addressed before. If it is now becoming something of concern in the UK then maybe those in charge should be reviewing the check and training regime with a view to closing the error track.
Even look elsewhere for advice: Naval ops to small ships, offshore ops in other parts of the world, the techniques that saw the old and bold through safe ops for years, before the all singing and dancing glass cockpits and automated systems of today?