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#Nourooz

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Farhad<p>Happy <a href="https://venera.social/search?tag=nowrooz" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>nowrooz</span></a>.</p><p>The first day of spring and the Persian new year.</p><p>Just for those who don't know the scientific background of how the new year is calculated and the moment of "Sal Tahvil" (delivery of the year, or handover of the year).</p><p><a href="https://venera.social/search?tag=Khayyam" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Khayyam</span></a> did this in 11th century, loooong before westerners even admitted that the earth revolves around the sun.</p><p><a href="https://arxiv.org/pdf/2410.04053" rel="nofollow noopener noreferrer" target="_blank">arxiv.org/pdf/2410.04053</a></p><p><a href="https://venera.social/search?tag=Nourooz" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Nourooz</span></a> <a href="https://venera.social/search?tag=NewYear" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>NewYear</span></a> <a href="https://venera.social/search?tag=Iran" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Iran</span></a> <a href="https://venera.social/search?tag=Persia" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Persia</span></a> <a href="https://venera.social/search?tag=Spring" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Spring</span></a> <a href="https://venera.social/search?tag=Nowruz" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Nowruz</span></a> <a href="https://venera.social/search?tag=Science" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Science</span></a> <a href="https://venera.social/search?tag=Mathematic" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Mathematic</span></a> <a href="https://venera.social/search?tag=Astronomy" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Astronomy</span></a> <a href="https://venera.social/search?tag=History" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>History</span></a></p>