Assertion: week's day | /r/HasProperty | measured in pre-modern times
Facets:
value: from sunset
type: TEMPORAL
value: from sunrise
type: TEMPORAL
Source sentences:
text: In pre-modern times, days were measured either from sunset to sunset, or from sunrise to sunrise so that the length of the week (and the day) would be subject to slight variations depending upon the time of year and the observer's geographical latitude. ^