Professional day
Librarians’ Day
Librarians’ Day on 11 May honours Bulgaria’s library and information professionals. It coincides with the church feast of Saints Cyril and Methodius and is a normal working day.
Observed on 11 May
Orthodox church calendar Major feast
- Sts Methodius and Cyril, Equal-to-the-Apostles, teachers of the Slavs and Bulgarians
- St Mocius, Hieromartyr
Source: Bulgarian Patriarchate church calendar, checked 2026-10-15
11 May by year
See the weekday and whether the date is a day off.
Every year on this date
| Year | Weekday | Workday status |
|---|---|---|
| 2026 | Monday | Working day |
| 2027 | Tuesday | Working day |
| 2028 | Thursday | Working day |
| 2029 | Friday | Working day |
| 2030 | Saturday | Day off |
For a standard Monday-to-Friday working week. Additional officially declared days off may change the calendar.