A280325 Deviations in hours between A280323 tropical years and A280324 synodic (lunar) months (rounded to nearest hour).

261, -187, 74, -38, 36, -2, 1, 0

Offset

1,1

Comments

Values used for the average length of 1) the tropical year: 365.242190 ephemeris days; 2) the lunar month: 29.530589 ephemeris days.

Links

Table of n, a(n) for n=1..8.

Wikipedia, Cycle of Meton

Wikipedia, Lunar month

Wikipedia, Lunisolar calendar

Wikipedia, Tropical year

Formula

a(n) = round(24*(365.242190 * A280323(n) - 29.530589 * A280324(n))).

Example

Cycle of Meton: A280323(6) = 19 tropical years minus A280324(6) = 235 lunar months = -2.08 hours; a(6) = round(-2.08) = -2.

Crossrefs

Cf. A280323.

Sequence in context: A200578 A200808 A350084 * A045026 A319727 A131071

Adjacent sequences: A280322 A280323 A280324 * A280326 A280327 A280328

Keyword

sign,fini,full

Author

Jean-Christophe Hervé, Dec 31 2016

Status

approved