{"id":"vidhyamitra:day:1973-10-27:en","page_class":"VM-1-day","url":"https://vidhyamitra.com/day/1973-10-27","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1973-10-27","date_display":"October 27, 1973 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":1973,"month":10,"day":27,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2441982.770833,"kali_year":5075,"ahargana":1853517.2708,"sun":{"sidereal_longitude":189.3505,"rashi":7,"rashi_name":"Tulā"},"moon":{"sidereal_longitude":201.9466,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":2,"name":"Dvitīyā","paksha":"Śukla","full_name":"Śukla Dvitīyā","elongation_degrees":12.5961,"elapsed_within_tithi_degrees":0.5961},"nakshatra":{"number":16,"name":"Viśākhā","pada":1,"moon_longitude":201.9466,"elapsed_within_degrees":1.9466},"yoga":{"number":3,"name":"Āyuṣmān","sum_longitude":31.2971},"karana":{"half_tithi_index":2,"name":"Bālava"},"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":1973,"month":10,"day":27,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2441982.770833,"ahargana":1853517.2708,"kali_year":5075,"ayanamsa_lahiri":23.4873,"grahas":{"sun":{"sidereal_longitude":189.989558,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":1},"retrograde":false},"moon":{"sidereal_longitude":200.52265799999998,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":1},"retrograde":false,"latitude":-3.435},"mars":{"sidereal_longitude":7.79445800000002,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":213.00845800000002,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":16,"name":"Viśākhā","pada":4},"retrograde":true},"jupiter":{"sidereal_longitude":280.42765800000006,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":1},"retrograde":false},"venus":{"sidereal_longitude":236.64195799999993,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":71.417258,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":2},"retrograde":true},"rahu":{"sidereal_longitude":251.7352,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":71.7352,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","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":1973,"month":10,"day":27,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2441982.770833,"kali_year":5075,"ahargana":1853517.2708,"sun":{"sidereal_longitude":189.3505,"rashi":7,"rashi_name":"Tulā"},"moon":{"sidereal_longitude":201.9466,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":2,"name":"Dvitīyā","paksha":"Śukla","full_name":"Śukla Dvitīyā","elongation_degrees":12.5961,"elapsed_within_tithi_degrees":0.5961},"nakshatra":{"number":16,"name":"Viśākhā","pada":1,"moon_longitude":201.9466,"elapsed_within_degrees":1.9466},"yoga":{"number":3,"name":"Āyuṣmān","sum_longitude":31.2971},"karana":{"half_tithi_index":2,"name":"Bālava"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-3.435,"elongation":12.596},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-3.435,"opposition_distance":167.404}},"eclipse_window_40days":[]},"calendars":{"vikram_samvat":2030,"vikram_samvatsara":"Akṣaya","saka_samvat":1895,"saka_samvatsara":"Pramādī","bengali_samvat":1380,"malayalam_era":1149,"nanakshahi_year":504,"lunar_month":"Kārtika","lunar_month_paksha_full":"Kārtika Śukla Pakṣa","solar_month":"Tulā (Aippasi)","ritu":"Śarad (Autumn)","display_summary":"Kārtika Śukla Dvitīyā · Vikram 2030 Akṣaya · Śaka 1895 Pramādī"},"festivals":[{"id":"bhai-dooj","name":"Bhāi Dūja / Bhrātṛ Dvitīyā","name_sanskrit":"भ्रातृ द्वितीया","tradition":"Pan-Hindu","associated_deity":"Yama + Yamunā (sister-brother)","significance":"Yamunā's reception of brother Yama; sisters welcome brothers. Day 5 of Diwali.","vrata":true,"detection":{"tithi_number":2,"tithi_paksha":"Śukla","lunar_month":"Kārtika"},"precedence":3},{"id":"tula-sankranti","name":"Tulā Saṅkrānti","name_sanskrit":"तुला सङ्क्रान्ति","tradition":"Pan-Hindu","significance":"Sun enters Libra.","vrata":false,"detection":{"sun_rashi":"Tulā"},"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":[{"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":"1973-10-27T00:00:00Z"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate; Vidhyamitra substrate"},"seo":{"title":"Pañchāṅga October 27, 1973 CE · Vidhyamitra","description":"Vedic pañchāṅga for October 27, 1973 CE: Śukla Dvitīyā · Viśākhā.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/day/1973-10-27","hreflang_alternates":{"en":"https://vidhyamitra.com/day/1973-10-27","sa":"https://sa.vidhyamitra.com/day/1973-10-27","hi":"https://hi.vidhyamitra.com/day/1973-10-27","x-default":"https://vidhyamitra.com/day/1973-10-27"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-14T10:39:29.567Z","verification":{"type":"multi-marker","confidence":"canonical"}}],"meta":{"generated_at":"2026-05-14T10:39:29.567Z","pillar_versions":{"BOB-History":"Pūrṇa"}}}