Translation for 'vernal equinox' from English to Bulgarian

vernal equinox {noun}

пролетно равноденствие {ср}астрон.

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equinox {noun}

равноденствие {ср}астрон.

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autumnal equinox {noun}

есенно равноденствие {ср}астрон.

autumn equinox {noun}

есенно равноденствие {ср}астрон.

spring equinox {noun}

пролетно равноденствие {ср}астрон.

• , 5,000 years ago, the vernal equinox was close to the star Aldebaran in Taurus.
• The symbol ʏ identifies the vernal equinox direction.
• It may be implemented in spherical or rectangular coordinates, both defined by an origin at the centre of Earth, a fundamental plane consisting of the projection of Earth's equator onto the celestial sphere (forming the celestial equator), a primary direction towards the vernal equinox, and a right-handed convention.
• If, instead of measuring from and along the horizon, the angles are measured from and along the celestial equator, the angles are called right ascension if referenced to the Vernal Equinox, or hour angle if referenced to the celestial meridian.
• In 1906 attempts to bring the two factions together resulted in the introduction of a third calendar based on an 11th-century Seljuk model: the "Fasili", or "Fasli", calendar had leap days intercalated every four years and it had a New Year's day that fell on the day of the vernal equinox.

• Most species flower in winter, before the vernal equinox (20 or 21 March in the Northern Hemisphere), but some flower in early spring and late autumn.
• The beginning of Aries is defined as the moment of vernal equinox, and all other dates shift accordingly.
• A modern adaptation of the historical Jalali calendar, known as the Solar Hijri calendar (1925), is a purely solar calendar with an irregular pattern of leap days based on observation (or astronomical computation), aiming to place new year (Nowruz) on the day of vernal equinox (for the time zone of Tehran), as opposed to using an algorithmic system of leap years.
• It is the Autumn equinox in the Northern Hemisphere, and the Vernal equinox in the Southern Hemisphere.
• The present "vernal equinox" year, however, is about 12 seconds longer, in terms of mean solar days.

• It occurs every year at the vernal equinox. In Afghanistan, Nowruz is typically celebrated with music and dance, as well as holding buzkashi tournaments.
• Years begin at Naw-Rúz, on the vernal equinox, on or about March 21.
• In the northern hemisphere, the "vernal equinox" (March) conventionally marks the beginning of spring in most cultures and is considered the start of the New Year in the Assyrian calendar, Hindu, and the Persian or Iranian calendars, [...] while the "autumnal equinox" (September) marks the beginning of autumn.