Assertion: moon's day | /r/HasProperty | inserted in every 57 years
Facets:
Source sentences:
text: Eleven extra days are inserted in every 57 years, and seven extra months of 30 days are inserted in every 19 years (21 months in 57 years).
text: Eleven extra days are inserted in every 57 years, and seven extra months of 30 days are inserted in every 19 years (21 months in 57 years).