Assertion: week calendar | /r/HasAspect | exactly 20,871 weeks
Facets:
Source sentences:
text: A leap week calendar can take advantage of the 400-year cycle of the Gregorian calendar, as it has exactly 20,871 weeks: with 329 common years of 52 weeks plus 71 leap years of 53 weeks, a leap week calendar would synchronize with the Gregorian every 400 years since (329 × 52 +