Assertion: vernal equinox | /r/AtLocation | about 21 march
Facets:
value: in ad
type: TEMPORAL
value: in the northern hemisphere
type: LOCATION
value: usually
type: TEMPORAL
value: south of the equator
type: LOCATION
Source sentences:
text: Because the Julian year is longer than the tropical year by about 11.3 minutes on average (or 1 day in 128 years), the calendar "drifted" with respect to the two equinoxes – so that in 300 AD the spring equinox occurred on about 21 March, and by 1500 AD it had drifted backwards to 11 March.[citation needed]
text: The vernal equinox usually occurs around 21 March in the northern hemisphere (south of the equator, it's the autumn equinox) and is the point at which the sun moves to be directly over the equator, appearing due south to us.
text: Because the Julian year is longer than the tropical year by about 11.3 minutes on average (or 1 day in 128 years), the calendar "drifted" with respect to the two equinoxes — such that in AD 300 the spring equinox occurred on about 21 March, and by AD 1500 it had drifted backwards to 11 March.