{"id":"vidhyamitra:day:1806-08-30:en","page_class":"VM-1-day","url":"https://vidhyamitra.com/day/1806-08-30","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1806-08-30","date_display":"August 30, 1806 CE","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":1806,"month":8,"day":30,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2380928.770833,"kali_year":4908,"ahargana":1792463.2708,"sun":{"sidereal_longitude":134.5579,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":324.9717,"rashi":11,"rashi_name":"Kumbha"},"tithi":{"number":16,"name":"Pratipada","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Pratipada","elongation_degrees":190.4139,"elapsed_within_tithi_degrees":10.4139},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":2,"moon_longitude":324.9717,"elapsed_within_degrees":4.9717},"yoga":{"number":8,"name":"Dhṛti","sum_longitude":99.5296},"karana":{"half_tithi_index":31,"name":"Kaulava"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"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":1806,"month":8,"day":30,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2380928.770833,"ahargana":1792463.2708,"kali_year":4908,"ayanamsa_lahiri":21.1522,"grahas":{"sun":{"sidereal_longitude":134.77806900000002,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":1},"retrograde":false},"moon":{"sidereal_longitude":323.952269,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":2},"retrograde":false,"latitude":4.4063},"mars":{"sidereal_longitude":88.74406899999997,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":147.50916900000004,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":1},"retrograde":true},"jupiter":{"sidereal_longitude":250.40186900000003,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":4},"retrograde":false},"venus":{"sidereal_longitude":107.67356899999999,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":185.67186900000002,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":4},"retrograde":false},"rahu":{"sidereal_longitude":246.67,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":66.67,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":1},"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":1806,"month":8,"day":30,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2380928.770833,"kali_year":4908,"ahargana":1792463.2708,"sun":{"sidereal_longitude":134.5579,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":324.9717,"rashi":11,"rashi_name":"Kumbha"},"tithi":{"number":16,"name":"Pratipada","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Pratipada","elongation_degrees":190.4139,"elapsed_within_tithi_degrees":10.4139},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":2,"moon_longitude":324.9717,"elapsed_within_degrees":4.9717},"yoga":{"number":8,"name":"Dhṛti","sum_longitude":99.5296},"karana":{"half_tithi_index":31,"name":"Kaulava"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":4.406,"elongation":169.586},"lunar":{"type":"lunar","occurs":false,"moon_latitude":4.406,"opposition_distance":10.414}},"eclipse_window_40days":[]},"calendars":{"vikram_samvat":1863,"vikram_samvatsara":"Pramāthi","saka_samvat":1728,"saka_samvatsara":"Akṣaya","bengali_samvat":1213,"malayalam_era":982,"nanakshahi_year":337,"lunar_month":"Bhādrapada","lunar_month_paksha_full":"Bhādrapada Kṛṣṇa Pakṣa","solar_month":"Siṃha (Āvaṇi)","ritu":"Varṣā (Monsoon)","display_summary":"Bhādrapada Kṛṣṇa Pratipada · Vikram 1863 Pramāthi · Śaka 1728 Akṣaya"},"festivals":[{"id":"pitra-paksha-start","name":"Pitṛ-Pakṣa Start","name_sanskrit":"पितृ पक्ष आरम्भ","tradition":"Pan-Hindu","associated_deity":"Pitṛ-gaṇa","significance":"Begin 16-day śrāddha period for ancestors. Bhādrapada Pūrṇimā next-day.","vrata":true,"detection":{"tithi_number":16,"tithi_paksha":"Kṛṣṇa","lunar_month":"Bhādrapada"},"precedence":2},{"id":"simha-sankranti","name":"Siṁha Saṅkrānti","name_sanskrit":"सिंह सङ्क्रान्ति","tradition":"Pan-Hindu","significance":"Sun enters Leo.","vrata":false,"detection":{"sun_rashi":"Siṃha"},"precedence":5}],"todays_walk":{"walk":{"id":"shani-walk","name":"Śani Walk","name_sanskrit":"शनि यात्रा","type":"graha","description":"Tapas + endurance + BG 17.14-19.","step_count":7,"url":"/walk/shani-walk"},"reason":"Śanivāra (Saturday) — its presiding graha's walk."},"cosmic_resonances":[]},"validity":{"eternal":false,"valid_from":"1806-08-30T00:00:00Z"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate; Vidhyamitra substrate"},"seo":{"title":"Pañchāṅga August 30, 1806 CE · Vidhyamitra","description":"Vedic pañchāṅga for August 30, 1806 CE: Kṛṣṇa Pratipada · Pūrva Bhādrapadā.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/day/1806-08-30","hreflang_alternates":{"en":"https://vidhyamitra.com/day/1806-08-30","sa":"https://sa.vidhyamitra.com/day/1806-08-30","hi":"https://hi.vidhyamitra.com/day/1806-08-30","x-default":"https://vidhyamitra.com/day/1806-08-30"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-22T09:45:21.260Z","verification":{"type":"multi-marker","confidence":"canonical"}}],"meta":{"generated_at":"2026-05-22T09:45:21.260Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa"}}}