Pulling out of our office park as I've done many times over the past four years I looked both ways. And as always I 'walked' my eyes up the road. Closed gate to the left, silhouette of lorry parked in the distance to my right. I took extra care looking right because that's open road and the sun was obviously dazzling me. It looked clear so I pulled out and nearly got t-boned. Luckily the other driver was going slow enough to stop a couple of metres from me (possibly slowing for the closed gate he was approaching). Thankfully I saw him early enough for me to straighten up and head for the kerb opposite which gave him a bit more space. Normally we all have to turn early in order to avoid parked cars almost opposite.
But damn, that's the closest I've come in several years to a crash and this one entirely my fault. The only thing I'd have suggested the other driver do (and something for us all to think about) is to have his headlights on. His car was completely invisible to me because he didn't.
I think in future I have to be more circumspect about pulling out of there (and probably other junctions). Creep out at first - that way anyone I've failed to spot will have a bit more time and space in which to avoid me. Mind you I can't remember any other time the sun has been that much of a problem. I can only assume that most years when it's that low at 5pm it's been cloudy.
I also suspect I made things worse by double checking to my right. If I'd just looked left, right then gone as I normally do I think I've had got of their way without them having to stop.
So - be careful out there, friends