Thomas I of Constantinople (

Greek Greek may refer to: Anything of, from, or related to Greece, a country in Southern Europe: *Greeks, an ethnic group *Greek language, a branch of the Indo-European language family **Proto-Greek language, the assumed last common ancestor of all kno ...

: Θωμᾶς; died 21 March 610) was the

Ecumenical Patriarch of Constantinople The ecumenical patriarch of Constantinople () is the List of ecumenical patriarchs of Constantinople, archbishop of Constantinople and (first among equals) among the heads of the several autocephalous churches that comprise the Eastern Orthodox ...

from 607 to 610. He has been

canonised Canonization is the declaration of a deceased person as an officially recognized saint, specifically, the official act of a Christian communion declaring a person worthy of public veneration and entering their name in the canon catalogue of sai ...

saint In Christianity, Christian belief, a saint is a person who is recognized as having an exceptional degree of sanctification in Christianity, holiness, imitation of God, likeness, or closeness to God in Christianity, God. However, the use of the ...

in the

Eastern Orthodox Church The Eastern Orthodox Church, officially the Orthodox Catholic Church, and also called the Greek Orthodox Church or simply the Orthodox Church, is List of Christian denominations by number of members, one of the three major doctrinal and ...

. His

feast day The calendar of saints is the traditional Christian method of organizing a liturgical year by associating each day with one or more saints and referring to the day as the feast day or feast of said saint. The word "feast" in this context does n ...

is 21 March for those churches which follow the

Julian Calendar The Julian calendar is a solar calendar of 365 days in every year with an additional leap day every fourth year (without exception). The Julian calendar is still used as a religious calendar in parts of the Eastern Orthodox Church and in parts ...

, 21 March falls on 3 April of the modern

Gregorian Calendar The Gregorian calendar is the calendar used in most parts of the world. It went into effect in October 1582 following the papal bull issued by Pope Gregory XIII, which introduced it as a modification of, and replacement for, the Julian cale ...

Notes and references

External links

St Thomas I the Patriarch of Constantinople
Orthodox

icon An icon () is a religious work of art, most commonly a painting, in the cultures of the Eastern Orthodox, Oriental Orthodox, Catholic Church, Catholic, and Lutheranism, Lutheran churches. The most common subjects include Jesus, Mary, mother of ...

and

synaxarion Synaxarion or Synexarion (plurals Synaxaria, Synexaria; , from συνάγειν, ''synagein'', "to bring together"; cf. etymology of '' synaxis'' and ''synagogue''; Latin: ''Synaxarium'', ''Synexarium''; ; Ge'ez: ሲናክሳሪየም(ስንክ� ...

7th-century patriarchs of Constantinople 7th-century Christian saints {{EasternOrthodoxy-bishop-stub