“Time to...” by shadow / Slow life sundial

Helioplastic: creating information by moving shadows.
From the rise of sun, casted shadows moves on the wall. In particular hour, chosen shadows meet with painted letters creating a messages. Words are suggestions of “not” important actions to be done in particular time. Not noticed, passes irrecoverable, like moving shadow.
Project shown in busy passages, to be read by Everyone In Hurry.
Architecture detail:
1 cm thick steel tin with laser-cut particular letters put orthogonally to wall.
Painted letters on wall, which on chosen time matching with “shadows” letters to create a word.