3 December 2040, Monday (20.11 according to the old style)
Church calendar for 3 December 2040
Saints commemorated
- Hierarch Proclus Of Constantinople † 446/447, патриарх Константинопольский 434–446/447
- Martyr Dasius of Durostorum † ок. 302–303
- Venerable Gregory Decapolite ок. 780/790-х — †ок. 842