Tbf Phil,only on my local of course,there's been no pattern to bite time. I've still had fish,in the middle of the night on a bit of brown foam fished in the bottom quarter of swim.... With probably little attraction on it. It's mad ain't it. Early morning are good in the spring/ summer I think due to fly hatch/insect life,but zigs in my opinion is very underused and after watching Niges masterclass I clicked on to there true potential