Tell the time with colours that change as they rotate round the clock face.

Blobs at the end of the hour, minute, and second regions change colours over

time (red = 12, yellow = 3, green = 6, blue = 9).

This might help younger children to tell the time without having to know what

numbers mean (e.g. it's yellow and orange).

A sine-wave second "tick" has also been implemented, as well as fixing the

minute hand to integer positions. This makes the clock a bit more interesting,

because each hand tells the time in a different way.

Other apps by this developer: https://f-droid.org/packages/org.gringene.concentricclock

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