21 April 2188, Monday (07.04 according to the old style)
Church calendar for 21 April 2188
Saints commemorated
- Martyr Aquilina the Younger of Sinope †ок. 310
- Venerable Daniel of Pereslavl ок. 1460 — 1540
- Hierarch Saint Gabriel (Gorodkov), Archbishop of Ryazan 1785–1862