Observed on 21 August
Orthodox church calendar
- St Thaddeus, Apostle
- Sts Bassa of the Hellespont and Bassa of Thessalonica, Martyrs
- St Symeon of Samokov, Hieromartyr
Source: Bulgarian Patriarchate church calendar, checked 2026-10-15
21 August by year
See the weekday and whether the date is a day off.
| Year | Weekday | Workday status |
|---|---|---|
| 2026 | Friday | Working day |
| 2027 | Saturday | Day off |
| 2028 | Monday | Working day |
| 2029 | Tuesday | Working day |
| 2030 | Wednesday | Working day |
For a standard Monday-to-Friday working week. Additional officially declared days off may change the calendar.