Vertical sundial on the east-southeast facade. The sundial was painted by the painter and Pauline monk Ivan Krstitelj Ranger, in the period between 1740 and 1743.

References:

1. Erceg, K., Matica, march 2007., str. 34 - link
2. Griesbach, Ljudevit. Church of St. Mary of the Snows (Belec): sundial. 1938. Schneider's photographic archive. Digital collection of the Croatian Academy of Sciences and Arts.