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Epact: History, Lunisolar calendar & Overview

The epact (Latin: epactae, from Ancient Greek: ἐπακται ἡμεραι epaktai hēmerai 'added days') was originally the term used by medieval computists for the age of a phase of the Moon, in days since the new moon, as determined on 22 March of a given year. In the newer Gregorian calendar, however, the epact is reckoned as the age of the ecclesiastical moon on…

Language: English [EN]
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Epact topic overview

The analysis highlights History, Lunisolar calendar and Overview as prominent areas in the source structure around Epact.

Related topics
35
Source areas
3
Connected nodes
38
Extracted relationships
55
Concept neighborhoods
21
Bridge connections
38

What this topic covers Research coverage

Source areas are shown by the number of related topics found in each part of the analysis. Use smaller areas too: they can reveal specialized angles and content gaps.

Lunisolar calendar · 17 topics
History · 10 topics
Overview · 8 topics

Smaller areas are not necessarily less important. They contain fewer connections in this analysis and can be useful for finding specialized angles or coverage gaps.

Explore all related topics Closing gaps

Browse the complete topic structure, not only the most central items. Less prominent entities and concepts can reveal missing angles, specialized context and useful research gaps. Each item opens a new analysis centered on that subject.

Overview

Lunisolar calendar

History

Advanced semantic analysis

Deeper signals for content research, entity SEO and topical coverage. The plain-language headings explain what each technical view is useful for.

How Epact connects Entity context

The extracted context around Epact shows recurring relationship patterns in the source. For example, Epact → AD, Alexandria, Alexandrian, Alexandrian Easter Tables, As, Augustalis, Augustalis's, Bede, Bishop Cyril, Bishop Theophilus, Dionysius Exiguus, Easter, Europe, Hippolytus, If, In, January, Julian, March, Metonic Another extracted example is Epact → After, However, Metonic, So, The, This. Use these groups to spot repeated connection types before inspecting the individual relationships.

Epact

Top relations

related to history · 31
Epact → AD, Alexandria, Alexandrian, Alexandrian Easter Tables, As, Augustalis, Augustalis's, Bede, Bishop Cyril, Bishop Theophilus, Dionysius Exiguus, Easter, Europe, Hippolytus, If, In, January, Julian, March, Metonic
related to 19-year cycle · 6
Epact → After, However, Metonic, So, The, This
related to Lilian (Gregorian) epacts · 6
Epact → Aloysius Lilius, Easter, Gregorian, Julian, There, When
see also · 6
Epact → Coptic Epact Numbers, Gregorian, Inter, Latin, Old Coptic, UnicodeWikisource English
related to Solar and lunar years · 3
Epact → If, These, This
related to External links · 2
Epact → Catholic Encyclopedia, Epacts
related to Lunisolar calendar · 1
Epact → Epacts

Important terminology

Use these terms to understand the vocabulary surrounding the topic, not as a checklist for keyword stuffing.

Important terminology

calendar year days solar lunar cycle epacts gregorian easter moon years leap number used 30 age dates day 19 new

Epact relationships Subject–Predicate–Object triples

TTTA extracted 55 structured relationships around Epact. Examples in this analysis include Epact → related to 19-year cycle → This and Epact → related to 19-year cycle → Metonic. The table shows each extracted connection, where it came from and its confidence.

SubjectPredicateObjectConfidenceSrc
Epactrelated to 19-year cycleThis0.60section
Epactrelated to 19-year cycleMetonic0.60section
Epactrelated to 19-year cycleAfter0.60section
Epactrelated to 19-year cycleHowever0.60section
Epactrelated to 19-year cycleSo0.60section
Epactrelated to 19-year cycleThe0.60section
Epactrelated to External linksEpacts0.60section
Epactrelated to External linksCatholic Encyclopedia0.60section
Epactrelated to historyThe0.60section
Epactrelated to historyEaster0.60section
Epactrelated to historyPatriarch Demetrius0.60section
Epactrelated to historyAlexandria0.60section

Related concept clusters Concept neighborhoods

The concept neighborhoods around Epact bring nearby vocabulary together. In this analysis, examples include Calendar, Gregorian and Moon. Use the clusters to find adjacent concepts and terminology that may deserve separate research.

  • Epact
    • Calendar
    • Gregorian
    • Moon
    • Easter
    • Cycle
    • Year
    • Age
    • Julian
    • New
    • Number
    • Used
    • Years
  • epact
    • Calendar
    • Gregorian
    • Moon
    • Easter
    • Cycle
    • Year
    • Age
    • Julian
    • New
    • Number
    • Used
    • Years
  • gregorian calendar
    • Gregorian
    • Epact
    • Solar
    • Epacts
    • Leap
    • Lunar
    • Julian
    • Cycle
    • Year
    • Day
    • Used
    • Days
  • lunisolar calendar
    • Gregorian
    • Added
    • Month
    • Epact
    • Solar
    • Epacts
    • Leap
    • Lunar
    • Cycle
    • Year
    • Also
    • Julian
  • solar calendar
    • Lunar
    • Gregorian
    • Leap
    • Epact
    • Day
    • Year
    • Years
    • Solar
    • Epacts
    • Cycle
    • Added
    • Month
  • leap years
    • Solar
    • Month
    • Lunar
    • Day
    • Cycle
    • Leap
    • Lunisolar
    • Years
    • Added
    • Two
    • Calendar
    • Year
  • lunar calendar
    • Solar
    • Gregorian
    • Epact
    • Day
    • Added
    • Month
    • Leap
    • Epacts
    • Lunar
    • Year
    • Cycle
    • Lunisolar
  • metonic cycle
    • Used
    • Dates
    • Easter
    • Lunar
    • Years
    • Old
    • Using
    • Epact
    • Year
    • Gregorian
    • Also
    • Epacts

Connections between topic areas Semantic bridges

For Epact, one of the stronger structural bridges in this analysis connects Epact with Lunisolar calendar. Bridges highlight paths between different parts of the map and can reveal research angles that are easy to miss in a flat list.

Min side: 3
Epact — Lunisolar calendar · splits 21 ⟂ 18
Epact — History · splits 28 ⟂ 11
Epact — Overview · splits 30 ⟂ 9

Map overview Semantic statistics

Epact

Nodes39
Edges38
Triples55
Avg. degree1.95
Density0.051282
Components1

Source & methodology

TTTA analyzes the structure around Epact to surface related topics, entities, relationships, concept neighborhoods and bridge connections. Use the map to explore areas such as History, Lunisolar calendar & Overview, including less central topics that may reveal useful research gaps. Automatically extracted connections are research leads rather than rewritten encyclopedia content.

Source: Wikipedia — Epact · EN edition · Analysis: TopicsToTalkAbout

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