Give the greenhouse clock two coordinates

Meet midnight again

Hour 24 returns to the same point in the daily cycle as hour 0. Botie needs a representation that preserves that repetition.

BOTIE

The hour changes from 0 to 24 with period 24. How should the two-coordinate representation compare?

The inputs we are comparing

Hour or cycle position

Midnight

End of the cycle

Length of one cycle

Same in both cases

Full turn in radians

Same in both cases

6.2832

Result for midnight

Choose an explanation to test

It returns to the same positionIt should equal the noon positionBoth coordinates should increase by 24

The evening side of the clock

This check uses the pieces from “Place the hour around a full turn”.

BOTIE

Encode hour 18 of a 24-hour cycle as cosine followed by sine. Predict which side of the circle this time occupies.

Hour or cycle position: 18
Length of one cycle: 24
Full turn in radians: 6.2832

What result should your machine produce for this case?

Use a number, text, or an array matching the requested result. For a matrix, put each row in brackets. Saving your prediction runs your current construction on these inputs and checks the earlier examples too.

Build a construction in the workspace above first. This case will test those pieces.

What would change if the period changed, and why does retaining both sine and cosine help distinguish positions within the cycle?

Your notes for later. These stay with this journey.

Use a known period to encode repeating position; this feature does not itself fit a periodic prediction curve.

This encodes a fixed-period feature. It does not fit a temperature curve or handle calendar irregularities.

Work through the Python challenges →

Continue the courseWhat Could We Know at Prediction Time? →

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