{"id":"vidhyamitra:day:1974-03-13:en","page_class":"VM-1-day","url":"https://vidhyamitra.com/day/1974-03-13","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1974-03-13","date_display":"March 13, 1974 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":1974,"month":3,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2442119.770833,"kali_year":5075,"ahargana":1853654.2708,"sun":{"sidereal_longitude":328.8217,"rashi":11,"rashi_name":"Kumbha"},"moon":{"sidereal_longitude":207.0456,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":20,"name":"Pañcamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Pañcamī","elongation_degrees":238.2239,"elapsed_within_tithi_degrees":10.2239},"nakshatra":{"number":16,"name":"Viśākhā","pada":3,"moon_longitude":207.0456,"elapsed_within_degrees":7.0456},"yoga":{"number":14,"name":"Harṣaṇa","sum_longitude":175.8674},"karana":{"half_tithi_index":39,"name":"Taitila"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"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":1974,"month":3,"day":13,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2442119.770833,"ahargana":1853654.2708,"kali_year":5075,"ayanamsa_lahiri":23.4925,"grahas":{"sun":{"sidereal_longitude":328.58562299999994,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":3},"retrograde":false},"moon":{"sidereal_longitude":207.471723,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":3},"retrograde":false,"latitude":-2.7333},"mars":{"sidereal_longitude":44.52512300000001,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":304.531923,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":4},"retrograde":true},"jupiter":{"sidereal_longitude":307.844923,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":1},"retrograde":false},"venus":{"sidereal_longitude":284.76822300000003,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":64.64662299999998,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":4},"retrograde":false},"rahu":{"sidereal_longitude":244.4763,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":64.4763,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":5,"name":"Mṛgaśīrṣā","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":1974,"month":3,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2442119.770833,"kali_year":5075,"ahargana":1853654.2708,"sun":{"sidereal_longitude":328.8217,"rashi":11,"rashi_name":"Kumbha"},"moon":{"sidereal_longitude":207.0456,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":20,"name":"Pañcamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Pañcamī","elongation_degrees":238.2239,"elapsed_within_tithi_degrees":10.2239},"nakshatra":{"number":16,"name":"Viśākhā","pada":3,"moon_longitude":207.0456,"elapsed_within_degrees":7.0456},"yoga":{"number":14,"name":"Harṣaṇa","sum_longitude":175.8674},"karana":{"half_tithi_index":39,"name":"Taitila"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-2.733,"elongation":121.776},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-2.733,"opposition_distance":58.224}},"eclipse_window_40days":[]},"calendars":{"vikram_samvat":2031,"vikram_samvatsara":"Prabhava","saka_samvat":1896,"saka_samvatsara":"Ānanda","bengali_samvat":1381,"malayalam_era":1150,"nanakshahi_year":505,"lunar_month":"Phālguna","lunar_month_paksha_full":"Phālguna Kṛṣṇa Pakṣa","solar_month":"Kumbha (Māsi)","ritu":"Śiśira (Winter)","display_summary":"Phālguna Kṛṣṇa Pañcamī · Vikram 2031 Prabhava · Śaka 1896 Ānanda"},"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":"budha-walk","name":"Budha Walk","name_sanskrit":"बुध यात्रा","type":"graha","description":"Discrimination + BG 2.41 (vyavasāyātmikā buddhi).","step_count":6,"url":"/walk/budha-walk"},"reason":"Budhavāra (Wednesday) — its presiding graha's walk."},"cosmic_resonances":[{"historical_date":"-0562-04-11","event":"Bhagavān Buddha's birth at Lumbinī","chart_id":"buddha","shared_marker":"same Viśākhā","url":"/day/-0562-04-11","relevance":0.5}]},"validity":{"eternal":false,"valid_from":"1974-03-13T00:00:00Z"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate; Vidhyamitra substrate"},"seo":{"title":"Pañchāṅga March 13, 1974 CE · Vidhyamitra","description":"Vedic pañchāṅga for March 13, 1974 CE: Kṛṣṇa Pañcamī · Viśākhā.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/day/1974-03-13","hreflang_alternates":{"en":"https://vidhyamitra.com/day/1974-03-13","sa":"https://sa.vidhyamitra.com/day/1974-03-13","hi":"https://hi.vidhyamitra.com/day/1974-03-13","x-default":"https://vidhyamitra.com/day/1974-03-13"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-14T07:18:28.915Z","verification":{"type":"multi-marker","confidence":"canonical"}}],"meta":{"generated_at":"2026-05-14T07:18:28.915Z","pillar_versions":{"BOB-History":"Pūrṇa"}}}