March 27 (Eastern Orthodox liturgics)

Mar. 26 – Eastern Orthodox liturgical calendar – Mar. 28

All fixed commemorations below are observed on April 9 by Orthodox Churches on the Old Calendar.

For March 27th, Orthodox Churches on the Old Calendar commemorate the Saints listed on March 14.

Saint Rupert of Salzburg.

St. Alkelda's church, Giggleswick.

Ambrosius, Catholicos-Patriarch of All Georgia.

Greek Sources

Russian Sources

...
Wikipedia