What's it wednesday

this ended a little mixed up so forgiveness please.
What's  it wednesday tangled with todays events.
there is a challenge there - clues 4 yellow wheels, arty ? red upholstery?,
1 cylinder, a deck  -- well i'll tell next week wed.
during a loverly day, first outside lunch and tea time we welcomed the first swallow back from Africa, always a good sign flown in on southerly wind.

Lens used today is Minolta RF 250mm f5.6 catadioptric