Star Oddi's observations made a significant contribution to correctly adapting the Christian calendar.
Finnish holidays are similar to the Western Christian calendar and Protestant traditions.
It is dated, according to the Christian calendar, either A.D. 368 or 197.
Ash Wednesday is the first day of Lent in the Western Christian calendar.
The days of Easter vary each year depending on the day determined by the Western Christian religious calendar.
There are many pagan rituals inextricably woven into the so-called Christian calendar.
Other ceremonial events, outside the formal Christian calendar, are weddings and funerals.
April 6 is Good Friday in 2007 in the Western Christian calendar.
His works include poems on various subjects and four Christian calendars.
It happened in the twelfth century of your Christian calendar.