Assertion: calendar's year | /r/HasProperty | period
Facets:
Source sentences:
text: The heliacal rising of Sothis returned to the same point in the calendar every 1,460 years (a period called the Sothic cycle).
text: In either case the result was a year of 365 days, a period incompatible with the 29 1/ 2 -day lunation.