{"id":"vidhyamitra:day:1931-03-01:en","page_class":"VM-1-day","url":"https://vidhyamitra.com/day/1931-03-01","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1931-03-01","date_display":"March 1, 1931 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":1931,"month":3,"day":1,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2426401.770833,"kali_year":5032,"ahargana":1837936.2708,"sun":{"sidereal_longitude":316.9183,"rashi":11,"rashi_name":"Kumbha"},"moon":{"sidereal_longitude":91.4538,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":12,"name":"Dvādaśī","paksha":"Śukla","full_name":"Śukla Dvādaśī","elongation_degrees":134.5355,"elapsed_within_tithi_degrees":2.5355},"nakshatra":{"number":7,"name":"Punarvasu","pada":4,"moon_longitude":91.4538,"elapsed_within_degrees":11.4538},"yoga":{"number":4,"name":"Saubhāgya","sum_longitude":48.3721},"karana":{"half_tithi_index":22,"name":"Bava"},"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":1931,"month":3,"day":1,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2426401.770833,"ahargana":1837936.2708,"kali_year":5032,"ayanamsa_lahiri":22.8914,"grahas":{"sun":{"sidereal_longitude":316.6052669999999,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":3},"retrograde":false},"moon":{"sidereal_longitude":88.91926699999999,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":3},"retrograde":false,"latitude":4.4881},"mars":{"sidereal_longitude":95.86566700000003,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":1},"retrograde":true},"mercury":{"sidereal_longitude":305.22876700000006,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":78.285867,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":4},"retrograde":true},"venus":{"sidereal_longitude":272.53446699999995,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":267.66356700000006,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":1},"retrograde":false},"rahu":{"sidereal_longitude":357.2916,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":177.2916,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":14,"name":"Citrā","pada":2},"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":1931,"month":3,"day":1,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2426401.770833,"kali_year":5032,"ahargana":1837936.2708,"sun":{"sidereal_longitude":316.9183,"rashi":11,"rashi_name":"Kumbha"},"moon":{"sidereal_longitude":91.4538,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":12,"name":"Dvādaśī","paksha":"Śukla","full_name":"Śukla Dvādaśī","elongation_degrees":134.5355,"elapsed_within_tithi_degrees":2.5355},"nakshatra":{"number":7,"name":"Punarvasu","pada":4,"moon_longitude":91.4538,"elapsed_within_degrees":11.4538},"yoga":{"number":4,"name":"Saubhāgya","sum_longitude":48.3721},"karana":{"half_tithi_index":22,"name":"Bava"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":4.488,"elongation":134.536},"lunar":{"type":"lunar","occurs":false,"moon_latitude":4.488,"opposition_distance":45.464}},"eclipse_window_40days":[]},"calendars":{"vikram_samvat":1988,"vikram_samvatsara":"Tāraṇa","saka_samvat":1853,"saka_samvatsara":"Prajāpati","bengali_samvat":1338,"malayalam_era":1107,"nanakshahi_year":462,"lunar_month":"Phālguna","lunar_month_paksha_full":"Phālguna Śukla Pakṣa","solar_month":"Kumbha (Māsi)","ritu":"Śiśira (Winter)","display_summary":"Phālguna Śukla Dvādaśī · Vikram 1988 Tāraṇa · Śaka 1853 Prajāpati"},"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 Punarvasu","url":"/day/-1626101-04-03","relevance":0.5}]},"validity":{"eternal":false,"valid_from":"1931-03-01T00:00:00Z"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate; Vidhyamitra substrate"},"seo":{"title":"Pañchāṅga March 1, 1931 CE · Vidhyamitra","description":"Vedic pañchāṅga for March 1, 1931 CE: Śukla Dvādaśī · Punarvasu.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/day/1931-03-01","hreflang_alternates":{"en":"https://vidhyamitra.com/day/1931-03-01","sa":"https://sa.vidhyamitra.com/day/1931-03-01","hi":"https://hi.vidhyamitra.com/day/1931-03-01","x-default":"https://vidhyamitra.com/day/1931-03-01"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-14T07:13:13.405Z","verification":{"type":"multi-marker","confidence":"canonical"}}],"meta":{"generated_at":"2026-05-14T07:13:13.405Z","pillar_versions":{"BOB-History":"Pūrṇa"}}}