The stone is modest in size, around half a metre wide and slightly less in height, with a straight base and a fractured upper edge. Near its top sits a small square recess containing a circular peg hole, the socket that once held a gnomon, the projecting rod whose shadow would have swept across the face to indicate the canonical hours of prayer.

A photograph taken in 1955 recorded the sundial in a more complete state, with both an upper and a lower shaft still in place. The upper shaft has since been lost, but the lower rectangular shaft, measuring 0.27 metres wide and 0.63 metres tall, remains embedded in the church wall directly beneath the disc. A rectangular mortise cut into the bottom of the sundial stone would have connected the two elements, meaning the whole assembly, disc and shafts, once formed a continuous vertical feature on the exterior face of the wall, positioned 1.23 metres from the south-west angle of the building. The stone is sandstone, a material worked widely in Tipperary, and the careful jointing visible in its construction suggests it was purpose-built for its position rather than reused from elsewhere. The 1955 documentation by Holland and Waddell preserved a record of the piece before the upper shaft disappeared, making their photograph the primary evidence for what the complete form looked like.

Sundials of this type were practical objects in the medieval Irish church, used to regulate the rhythm of daily liturgical life before mechanical clocks became common. What makes this one quietly affecting is the incompleteness: the peg hole is empty, the upper shaft is gone, and the fractured top of the disc suggests a difficult history. Yet the lower shaft and the socket remain, anchoring a fragment of that original intent to the wall.