Memorial Day of St. Jonah, Metropolitan of Moscow and All Rus'
Celebrated on 13 AprilMemorial Day of St.
Jonah, Metropolitan of Moscow and All Rus'
Other holidays on 13 April
- Russian Holidays - Patron and Philanthropist Day
- International holidays - World Rock-n-Roll Day
- Thailand Holidays - Songkran (Thai New Year) (Songkran)
- Funny Holidays - Trolleybus Birthday
- Fun Holidays - International Plant Appreciation Day
- Vaisakhi - Sikh New Year in India
- International holidays - International Functional Neurological Disorder Awareness Day
- According to the folk calendar - Hypatius the Wonderworker (Fire)
- Memorial Day of Hieromartyr Hypatius, Bishop of Gangra
- Parental Saturday of the fourth week of the Holy Pentecost