Noun
Declaration; proclamation; public notice or appointment.
A cycle of fifteen years.
Source: Webster's dictionaryJulian Period from indiction, Metonic and solar cycles Let Y be the year BC or AD and i, m and s respectively its positions in the indiction, Metonic and solar cycles. Source: Internet
Sometimes the start of the year was reckoned as 24 September, the start of the so-called "western indiction" introduced by Bede. Source: Internet
The indiction caused the Byzantine year, which used the Julian calendar, to begin on 1 September; this date is still used in the Eastern Orthodox Church for the beginning of the liturgical year. Source: Internet