Linked from

The 19 pages that link to March equinox, each with the reason it gives.

• Right ascensionRelated: This point is the zero-hour origin of right ascension.

• Tropical yearRelated: The tropical year can be measured between successive March equinoxes.

• EquinoxBroader topic: It is one of the two yearly crossings that define the equinox cycle.

• NowruzRelated: Its timing anchors Nowruz to the seasonal change celebrated as the new year.

• Solar declinationBroader topic: Solar declination is zero as the Sun crosses northward.

• Equatorial coordinate systemRelated: It provides the zero point for right ascension.

• Precession of the equinoxesBroader topic: This equinox point moves westward along the ecliptic because of precession.

• Sidereal timeRelated: Right ascension begins at this reference point, anchoring sidereal-time measurements.

• Celestial poleCompared with: It is an equatorial reference point, not one of the sphere’s rotational poles.

• June solsticeCompared with: Unlike the June solstice, it occurs when neither hemisphere is tilted maximally toward the Sun.

• December solsticeCompared with: Unlike the solstice, it occurs when solar declination is zero.

• Persian calendarRelated: The calendar’s year begins at the equinox, determined by astronomical observation or calculation.

• September equinoxCompared with: It is the opposite-direction crossing, associated with spring in the Northern Hemisphere.

• Christopher ClaviusRelated: Its calendar date had shifted under the Julian system and anchored reform calculations.

• Spring (season)Broader topic: It marks the astronomical start of spring in the Northern Hemisphere.

• HoliCompared with: Holi marks spring seasonally, but its lunar date is not fixed to the equinox.

• SetsubunCompared with: Setsubun precedes Risshun, not the later astronomical start of spring.

• Age of AquariusRelated: The age is defined by the vernal equinox point’s position relative to Aquarius.

• Double Third FestivalRelated: The festival falls during the broader seasonal transition into spring.