{"id":"vidhyamitra:day:1958-09-14:en","page_class":"VM-1-day","url":"https://vidhyamitra.com/day/1958-09-14","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1958-09-14","date_display":"September 14, 1958 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":1958,"month":9,"day":14,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2436460.770833,"kali_year":5060,"ahargana":1847995.2708,"sun":{"sidereal_longitude":146.8201,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":152.8357,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":1,"name":"Pratipada","paksha":"Śukla","full_name":"Śukla Pratipada","elongation_degrees":6.0156,"elapsed_within_tithi_degrees":6.0156},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":2,"moon_longitude":152.8357,"elapsed_within_degrees":6.169},"yoga":{"number":23,"name":"Śubha","sum_longitude":299.6558},"karana":{"half_tithi_index":1,"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":1958,"month":9,"day":14,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2436460.770833,"ahargana":1847995.2708,"kali_year":5060,"ayanamsa_lahiri":23.2761,"grahas":{"sun":{"sidereal_longitude":147.44513899999998,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":1},"retrograde":false},"moon":{"sidereal_longitude":154.90603899999996,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":3},"retrograde":false,"latitude":-2.3483},"mars":{"sidereal_longitude":35.217039,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":3},"retrograde":true},"mercury":{"sidereal_longitude":131.30363899999998,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":188.453939,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":1},"retrograde":false},"venus":{"sidereal_longitude":132.90963899999997,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":236.65973899999995,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":3},"retrograde":false},"rahu":{"sidereal_longitude":184.3174,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":4.3174,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","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":1958,"month":9,"day":14,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2436460.770833,"kali_year":5060,"ahargana":1847995.2708,"sun":{"sidereal_longitude":146.8201,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":152.8357,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":1,"name":"Pratipada","paksha":"Śukla","full_name":"Śukla Pratipada","elongation_degrees":6.0156,"elapsed_within_tithi_degrees":6.0156},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":2,"moon_longitude":152.8357,"elapsed_within_degrees":6.169},"yoga":{"number":23,"name":"Śubha","sum_longitude":299.6558},"karana":{"half_tithi_index":1,"name":"Bava"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-2.348,"elongation":6.016},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-2.348,"opposition_distance":173.984}},"eclipse_window_40days":[]},"calendars":{"vikram_samvat":2015,"vikram_samvatsara":"Virodhakṛt","saka_samvat":1880,"saka_samvatsara":"Vilambī","bengali_samvat":1365,"malayalam_era":1134,"nanakshahi_year":489,"lunar_month":"Bhādrapada","lunar_month_paksha_full":"Bhādrapada Śukla Pakṣa","solar_month":"Siṃha (Āvaṇi)","ritu":"Varṣā (Monsoon)","display_summary":"Bhādrapada Śukla Pratipada · Vikram 2015 Virodhakṛt · Śaka 1880 Vilambī"},"festivals":[{"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":"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":[]},"validity":{"eternal":false,"valid_from":"1958-09-14T00:00:00Z"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate; Vidhyamitra substrate"},"seo":{"title":"Pañchāṅga September 14, 1958 CE · Vidhyamitra","description":"Vedic pañchāṅga for September 14, 1958 CE: Śukla Pratipada · Uttara Phalgunī.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/day/1958-09-14","hreflang_alternates":{"en":"https://vidhyamitra.com/day/1958-09-14","sa":"https://sa.vidhyamitra.com/day/1958-09-14","hi":"https://hi.vidhyamitra.com/day/1958-09-14","x-default":"https://vidhyamitra.com/day/1958-09-14"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-14T09:42:04.153Z","verification":{"type":"multi-marker","confidence":"canonical"}}],"meta":{"generated_at":"2026-05-14T09:42:04.153Z","pillar_versions":{"BOB-History":"Pūrṇa"}}}