Saint Tbeli Abuserisdze Orthodox Church of Batumi

Tbeli Abuserisdze ( ka, ტბელი აბუსერისძე) ( – 1240) was a medieval Georgian scholar and religious writer.

Biography

A son of Ivane Abuserisdze, '' eristavt-eristavi'' ("archduke") of Khikhata ( Upper Adjara, southwestern Georgia), he is principally known for his original treatise, ''The Complete Timekeeper'', which contains information related to

calendar A calendar is a system of organizing days. This is done by giving names to periods of time, typically days, weeks, months and years. A calendar date, date is the designation of a single and specific day within such a system. A calendar is ...

s, descriptions of different systems for maintaining

chronology Chronology (from Latin , from Ancient Greek , , ; and , ''wikt:-logia, -logia'') is the science of arranging events in their order of occurrence in time. Consider, for example, the use of a timeline or sequence of events. It is also "the deter ...

, dates of ecclesiastic holidays, tables of moonrise and moonset, information on special cycles, etc. Abuserisdze's work is purely theoretical, based largely upon his own mathematical investigations rather than on direct astronomical observations. Beyond this treatise, he authored ''The Miracles of

Saint George Saint George (;Geʽez: ጊዮርጊስ, , ka, გიორგი, , , died 23 April 303), also George of Lydda, was an early Christian martyr who is venerated as a saint in Christianity. According to holy tradition, he was a soldier in the ...

... and the Testament of the Author'', a work of religious as well as of historical character, in which he relates, among other things, the history of the Abuserisdze family. The religious-historical work describes the construction activities of the Ajarian farmers, the art of the Kalatozi, the Potsk-Basil construction. It contains the Abouserdester's family of mathematics, as well as important information about the life and morals of that time, as well as the data of specific historical character. The chronological-astronomical treatise is an extensive cell reference that describes the advantages and disadvantages of different systems of the cycling system and provides a set of pilgrimages and lunar arrivals.

Recognition

He has been canonized by the

Georgian Orthodox Church The Apostolic Autocephalous Orthodox Church of Georgia ( ka, საქართველოს სამოციქულო ავტოკეფალური მართლმადიდებელი ეკლესია, tr), commonl ...

. His feast day is on 17 August.

References

Sources

*Machitadze, Archpriest Zakaria (2002)
Saint Tbeli Abuserisdze
''The Lives of the Georgian Saints''. *Abuselidze, Giorgi (2004), ''South-Western Georgia of Tbel Abuserisdze Epoch (Economic Situation)''.

Tbilisi Tbilisi ( ; ka, თბილისი, ), in some languages still known by its pre-1936 name Tiflis ( ), ( ka, ტფილისი, tr ) is the Capital city, capital and List of cities and towns in Georgia (country), largest city of Georgia ( ...

: Metsniereba, . {{DEFAULTSORT:Abuserisdze, Tbeli 1190 births 1240 deaths 13th-century Christian saints 13th-century writers from Georgia (country) 13th-century astronomers 13th-century scholars Scientists from Georgia (country) Astronomers from Georgia (country) Writers from Georgia (country) Nobility of Georgia (country) Christian saints from Georgia (country) People of Adjarian descent