{"id":"vidhyamitra:day:1781-03-04:en","page_class":"VM-1-day","url":"https://vidhyamitra.com/day/1781-03-04","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1781-03-04","date_display":"March 4, 1781 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":1781,"month":3,"day":4,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2371619.770833,"kali_year":4882,"ahargana":1783154.2708,"sun":{"sidereal_longitude":323.7606,"rashi":11,"rashi_name":"Kumbha"},"moon":{"sidereal_longitude":64.2246,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":9,"name":"Navamī","paksha":"Śukla","full_name":"Śukla Navamī","elongation_degrees":100.464,"elapsed_within_tithi_degrees":4.464},"nakshatra":{"number":5,"name":"Mṛgaśīrṣā","pada":4,"moon_longitude":64.2246,"elapsed_within_degrees":10.8913},"yoga":{"number":3,"name":"Āyuṣmān","sum_longitude":27.9852},"karana":{"half_tithi_index":16,"name":"Bālava"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"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":1781,"month":3,"day":4,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2371619.770833,"ahargana":1783154.2708,"kali_year":4882,"ayanamsa_lahiri":20.7962,"grahas":{"sun":{"sidereal_longitude":323.08634200000006,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":1},"retrograde":false},"moon":{"sidereal_longitude":60.02004199999999,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":3},"retrograde":false,"latitude":3.1423},"mars":{"sidereal_longitude":240.06734200000005,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":337.57234199999994,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":219.28574200000003,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":2},"retrograde":false},"venus":{"sidereal_longitude":302.93774199999996,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":241.425742,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":1},"retrograde":false},"rahu":{"sidereal_longitude":19.9056,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":199.9056,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":4},"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":1781,"month":3,"day":4,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2371619.770833,"kali_year":4882,"ahargana":1783154.2708,"sun":{"sidereal_longitude":323.7606,"rashi":11,"rashi_name":"Kumbha"},"moon":{"sidereal_longitude":64.2246,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":9,"name":"Navamī","paksha":"Śukla","full_name":"Śukla Navamī","elongation_degrees":100.464,"elapsed_within_tithi_degrees":4.464},"nakshatra":{"number":5,"name":"Mṛgaśīrṣā","pada":4,"moon_longitude":64.2246,"elapsed_within_degrees":10.8913},"yoga":{"number":3,"name":"Āyuṣmān","sum_longitude":27.9852},"karana":{"half_tithi_index":16,"name":"Bālava"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":3.142,"elongation":100.464},"lunar":{"type":"lunar","occurs":false,"moon_latitude":3.142,"opposition_distance":79.536}},"eclipse_window_40days":[]},"calendars":{"vikram_samvat":1838,"vikram_samvatsara":"Ānanda","saka_samvat":1703,"saka_samvatsara":"Plava","bengali_samvat":1188,"malayalam_era":957,"nanakshahi_year":312,"lunar_month":"Phālguna","lunar_month_paksha_full":"Phālguna Śukla Pakṣa","solar_month":"Kumbha (Māsi)","ritu":"Śiśira (Winter)","display_summary":"Phālguna Śukla Navamī · Vikram 1838 Ānanda · Śaka 1703 Plava"},"festivals":[{"id":"kumbha-sankranti","name":"Kumbha Saṅkrānti","name_sanskrit":"कुम्भ सङ्क्रान्ति","tradition":"Pan-Hindu","associated_deity":"Sūrya Bhagavān","significance":"Sun enters Aquarius; Kumbha-māsa begins.","vrata":false,"detection":{"sun_rashi":"Kumbha"},"precedence":5}],"todays_walk":{"walk":{"id":"surya-walk","name":"Sūrya Walk","name_sanskrit":"सूर्य यात्रा","type":"graha","description":"Self-illumination + BG 4.1 (Sun-lineage of Gītā transmission).","step_count":6,"url":"/walk/surya-walk"},"reason":"Ravivāra (Sunday) — its presiding graha's walk."},"cosmic_resonances":[{"historical_date":"-1626101-04-03","event":"Bhagavān Rāma's birth at Ayodhyā","chart_id":"rama","shared_marker":"same Śukla Navamī","url":"/day/-1626101-04-03","relevance":0.5}]},"validity":{"eternal":false,"valid_from":"1781-03-04T00:00:00Z"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate; Vidhyamitra substrate"},"seo":{"title":"Pañchāṅga March 4, 1781 CE · Vidhyamitra","description":"Vedic pañchāṅga for March 4, 1781 CE: Śukla Navamī · Mṛgaśīrṣā.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/day/1781-03-04","hreflang_alternates":{"en":"https://vidhyamitra.com/day/1781-03-04","sa":"https://sa.vidhyamitra.com/day/1781-03-04","hi":"https://hi.vidhyamitra.com/day/1781-03-04","x-default":"https://vidhyamitra.com/day/1781-03-04"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-25T09:36:22.549Z","verification":{"type":"multi-marker","confidence":"canonical"}}],"meta":{"generated_at":"2026-05-25T09:36:22.549Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa"}}}