Liturgical year
annually recurring fixed sequence of Christian feast days

The liturgical year, also called the church year, Christian year, ecclesiastical calendar, or kalendar, consists of the cycle of liturgical days and seasons that determines when feast days, including celebrations of saints, are to be observed, and which portions of scripture are to be read.
Distinct liturgical colours may be used in connection with different seasons of the liturgical year. The dates of the festivals vary somewhat among the different churches, although the sequence and logic is largely the same.
Liturgical cycle
The liturgical cycle divides the year into a series of seasons, each with their own mood, theological emphases, and modes of prayer, which can be signified by different ways of decorating churches, colours of paraments and vestments for clergy, scriptural readings, themes for preaching and even different traditions and practices often observed personally or in the home. In churches that follow the liturgical year, the scripture passages for each Sunday (and even each day of the year in some traditions) are specified in a lectionary.
After the Protestant Reformation, Anglicans and Lutherans continued to follow the lectionary of the Roman Rite. Following a decision of the Second Vatican Council, the Catholic Church revised that lectionary in 1969, adopting a three-year cycle of readings for Sundays and a two-year cycle for weekdays.
Adaptations of the revised Roman Rite lectionary were adopted by Protestants, leading to the publication in 1994 of the Revised Common Lectionary for Sundays and major feasts, which is now used by many Protestant denominations, including also Methodists, United, some Reformed, etc. This has led to a greater awareness of the traditional Christian year among Protestants, especially among mainline denominations.
Biblical calendars
Scholars are not in agreement about whether the calendars used by the Jews before the Babylonian exile were solar (based on the return of the same relative position between the Sun and the Earth), lunisolar (based on months that corresponded to the cycle of the moon, with periodic additional months to bring the calendar back into agreement with the solar cycle) like the present-day Jewish calendar of Hillel II, or lunar, such as the Hijri calendar.
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The citation trail is more important than the brevity of the summary: it shows where individual claims can be examined in context. The source revision retrieved here is dated Jul 27, 2026. The linked authority identifier is Q51617. The Library of Congress control number is sh85025851. 1 of 1 selected statements include explicit references; 0 carry qualifiers and 0 use preferred rank. The first chronological checks are 1969 and 1994.
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This entry incorporates text from “Liturgical year” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.