{"id":"vidhyamitra:day:-3129-02-28:en","page_class":"VM-1-day","url":"https://vidhyamitra.com/day/-3129-02-28","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"-3129-02-28","date_display":"February 28, 3130 BCE","panchanga":{"method":"Sūrya Siddhānta + Bhāskara-II iterative manda + Kerala-school (Mādhava-Nīlakaṇṭha) evection + variation + annual equation","engine_version":"2.0 (Kerala-school enhanced)","accuracy_note":"Sub-degree on Moon at any Kali-Yuga date (~2-5° residual max)","tradition_chain":"Āryabhaṭa(499) → Brahmagupta(628) → Bhāskara II(1150) → Mādhava(~1400) → Parameśvara(1430) → Nīlakaṇṭha(1501) → this","input":{"year":-3129,"month":2,"day":28,"hour":6,"minute":30,"second":0,"calendar":"julian"},"julian_day":578248.770833,"kali_year":-27,"ahargana":-10216.7292,"sun":{"sidereal_longitude":12.5037,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":22.7999,"rashi":1,"rashi_name":"Meṣa"},"tithi":{"number":1,"name":"Pratipada","paksha":"Śukla","full_name":"Śukla Pratipada","elongation_degrees":10.2962,"elapsed_within_tithi_degrees":10.2962},"nakshatra":{"number":2,"name":"Bharaṇī","pada":3,"moon_longitude":22.7999,"elapsed_within_degrees":9.4666},"yoga":{"number":3,"name":"Āyuṣmān","sum_longitude":35.3036},"karana":{"half_tithi_index":1,"name":"Bava"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"sky":{"method":"Sūrya-Siddhāntic Bhāskara-II 4-step iteration with atan2-based śīghra + varying peripheries + lunar latitude","engine_version":"3.0 (Pūrṇa — complete SS implementation)","tradition_sources":"Āryabhaṭīya 499 CE → SS Ch.1-5 Burgess 1860 → Siddhānta-Śiromaṇi Bhāskara II 1150 → Tantrasaṅgraha Nīlakaṇṭha 1501","input":{"year":-3129,"month":2,"day":28,"hour":6,"minute":30,"calendar":"julian"},"julian_day":578248.770833,"ahargana":-10216.7292,"kali_year":-27,"ayanamsa_lahiri":-47.7936,"grahas":{"sun":{"sidereal_longitude":12.5037,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":4},"retrograde":false},"moon":{"sidereal_longitude":22.7999,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":3},"retrograde":false,"latitude":1.6455},"mars":{"sidereal_longitude":39.7555,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":353.0086,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":233.6595,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":3},"retrograde":true},"venus":{"sidereal_longitude":14.2801,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":1},"retrograde":true},"saturn":{"sidereal_longitude":11.9488,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":4},"retrograde":false},"rahu":{"sidereal_longitude":1.3315,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":181.3315,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":3},"retrograde":false}},"panchang":{"method":"Sūrya Siddhānta + Bhāskara-II iterative manda + Kerala-school (Mādhava-Nīlakaṇṭha) evection + variation + annual equation","engine_version":"2.0 (Kerala-school enhanced)","accuracy_note":"Sub-degree on Moon at any Kali-Yuga date (~2-5° residual max)","tradition_chain":"Āryabhaṭa(499) → Brahmagupta(628) → Bhāskara II(1150) → Mādhava(~1400) → Parameśvara(1430) → Nīlakaṇṭha(1501) → this","input":{"year":-3129,"month":2,"day":28,"hour":6,"minute":30,"second":0,"calendar":"julian"},"julian_day":578248.770833,"kali_year":-27,"ahargana":-10216.7292,"sun":{"sidereal_longitude":12.5037,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":22.7999,"rashi":1,"rashi_name":"Meṣa"},"tithi":{"number":1,"name":"Pratipada","paksha":"Śukla","full_name":"Śukla Pratipada","elongation_degrees":10.2962,"elapsed_within_tithi_degrees":10.2962},"nakshatra":{"number":2,"name":"Bharaṇī","pada":3,"moon_longitude":22.7999,"elapsed_within_degrees":9.4666},"yoga":{"number":3,"name":"Āyuṣmān","sum_longitude":35.3036},"karana":{"half_tithi_index":1,"name":"Bava"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":1.645,"elongation":10.296},"lunar":{"type":"lunar","occurs":false,"moon_latitude":1.645,"opposition_distance":169.704}},"eclipse_window_40days":[{"offset_days":-15,"type":"lunar","occurs":true,"moon_latitude":0.165,"opposition_distance":2.111},{"offset_days":-1,"type":"solar","occurs":true,"moon_latitude":0.687,"elongation":1.356}]},"calendars":{"vikram_samvat":-3072,"saka_samvat":-3207,"bengali_samvat":-3722,"malayalam_era":-3953,"nanakshahi_year":-4598,"lunar_month":"Vaiśākha","lunar_month_paksha_full":"Vaiśākha Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Vaiśākha","lunar_month_amanta":"Vaiśākha","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Mēsha (Cittirai / Vaiśākhī)","ritu":"Vasanta (Spring)","display_summary":"Vaiśākha Śukla Pratipada · Vikram -3072 undefined · Śaka -3207 undefined"},"festivals":[],"todays_walk":{"walk":{"id":"chandra-walk","name":"Candra Walk","name_sanskrit":"चन्द्र यात्रा","type":"graha","description":"Manas-control + BG 6.5-7.","step_count":5,"url":"/walk/chandra-walk"},"reason":"Somavāra (Monday) — its presiding graha's walk."},"cosmic_resonances":[]},"validity":{"eternal":true},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate; Vidhyamitra substrate"},"seo":{"title":"Pañchāṅga February 28, 3130 BCE · Vidhyamitra","description":"Vedic pañchāṅga for February 28, 3130 BCE: Śukla Pratipada · Bharaṇī.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/day/-3129-02-28","hreflang_alternates":{"en":"https://vidhyamitra.com/day/-3129-02-28","sa":"https://sa.vidhyamitra.com/day/-3129-02-28","hi":"https://hi.vidhyamitra.com/day/-3129-02-28","x-default":"https://vidhyamitra.com/day/-3129-02-28"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-03T05:37:25.446Z","verification":{"type":"multi-marker","confidence":"canonical"}}],"meta":{"generated_at":"2026-06-03T05:37:25.446Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa"}}}