hasLeapYearFrequency
P6438
predicate
Indicates how often leap years occur within a given temporal pattern or calendar system.
Observed surface forms (4)
- leapYearRule ×4
- usesLeapYearRule ×2
- leapYearCycleYears ×1
- totalLeapYears ×1
Sample triples (9)
| Subject | Object |
|---|---|
| Coptic calendar | every fourth year without exception via predicate surface "leapYearRule" ⓘ |
| Ethiopian calendar | one extra day every four years without exception via predicate surface "leapYearRule" ⓘ |
| Gregorian calendar (Western churches) | every 4th year is a leap year via predicate surface "usesLeapYearRule" ⓘ |
| Hebrew calendar | 7 leap years in 19-year cycle ⓘ |
| Julian calendar | 4 via predicate surface "leapYearCycleYears" ⓘ |
| Julian calendar | one leap day every four years via predicate surface "usesLeapYearRule" ⓘ |
| Metonic cycle | 7 via predicate surface "totalLeapYears" ⓘ |
| Revised Julian calendar | century years divisible by 900 are leap years only if remainder is 200 or 600 via predicate surface "leapYearRule" ⓘ |
| Revised Julian calendar | every year divisible by 4 is a leap year except some century years via predicate surface "leapYearRule" ⓘ |