{"id":"vidhyamitra:day:2053-09-18:en","page_class":"VM-1-day","url":"https://vidhyamitra.com/day/2053-09-18","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2053-09-18","date_display":"September 18, 2053 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":2053,"month":9,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2471163.770833,"kali_year":5155,"ahargana":1882698.2708,"sun":{"sidereal_longitude":150.1453,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":219.8089,"rashi":8,"rashi_name":"Vṛścika"},"tithi":{"number":6,"name":"Ṣaṣṭhī","paksha":"Śukla","full_name":"Śukla Ṣaṣṭhī","elongation_degrees":69.6636,"elapsed_within_tithi_degrees":9.6636},"nakshatra":{"number":17,"name":"Anurādhā","pada":2,"moon_longitude":219.8089,"elapsed_within_degrees":6.4756},"yoga":{"number":1,"name":"Viṣkambha","sum_longitude":9.9542},"karana":{"half_tithi_index":11,"name":"Taitila"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"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":2053,"month":9,"day":18,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2471163.770833,"ahargana":1882698.2708,"kali_year":5155,"ayanamsa_lahiri":24.6033,"grahas":{"sun":{"sidereal_longitude":151.00822900000003,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":2},"retrograde":false},"moon":{"sidereal_longitude":220.35942899999998,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":3},"retrograde":false,"latitude":4.3302},"mars":{"sidereal_longitude":159.55672900000002,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":173.70632899999998,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":14,"name":"Citrā","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":190.535529,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":2},"retrograde":false},"venus":{"sidereal_longitude":194.51092900000003,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":314.862429,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":3},"retrograde":true},"rahu":{"sidereal_longitude":145.5854,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":325.5854,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","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":2053,"month":9,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2471163.770833,"kali_year":5155,"ahargana":1882698.2708,"sun":{"sidereal_longitude":150.1453,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":219.8089,"rashi":8,"rashi_name":"Vṛścika"},"tithi":{"number":6,"name":"Ṣaṣṭhī","paksha":"Śukla","full_name":"Śukla Ṣaṣṭhī","elongation_degrees":69.6636,"elapsed_within_tithi_degrees":9.6636},"nakshatra":{"number":17,"name":"Anurādhā","pada":2,"moon_longitude":219.8089,"elapsed_within_degrees":6.4756},"yoga":{"number":1,"name":"Viṣkambha","sum_longitude":9.9542},"karana":{"half_tithi_index":11,"name":"Taitila"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":4.33,"elongation":69.664},"lunar":{"type":"lunar","occurs":false,"moon_latitude":4.33,"opposition_distance":110.336}},"eclipse_window_40days":[{"offset_days":10,"type":"lunar","occurs":true,"moon_latitude":-1.233,"opposition_distance":1.058}]},"calendars":{"vikram_samvat":2110,"vikram_samvatsara":"Vyaya","saka_samvat":1975,"saka_samvatsara":"Śrīmukha","bengali_samvat":1460,"malayalam_era":1229,"nanakshahi_year":584,"lunar_month":"Āśvina","lunar_month_paksha_full":"Āśvina Śukla Pakṣa","solar_month":"Kanyā (Puraṭṭāsi)","ritu":"Śarad (Autumn)","display_summary":"Āśvina Śukla Ṣaṣṭhī · Vikram 2110 Vyaya · Śaka 1975 Śrīmukha"},"festivals":[{"id":"kanya-sankranti","name":"Kanyā Saṅkrānti (Mahālaya begins)","name_sanskrit":"कन्या सङ्क्रान्ति","tradition":"Pan-Hindu","significance":"Sun enters Virgo; Mahālaya / Pitṛ-Pakṣa solar marker.","vrata":false,"detection":{"sun_rashi":"Kanyā"},"precedence":4}],"todays_walk":{"walk":{"id":"guru-walk","name":"Bṛhaspati Walk","name_sanskrit":"गुरु यात्रा","type":"graha","description":"Wisdom transmission + BG 4.34.","step_count":8,"url":"/walk/guru-walk"},"reason":"Guruvāra (Thursday) — its presiding graha's walk."},"cosmic_resonances":[]},"validity":{"eternal":false,"valid_from":"2053-09-18T00:00:00Z"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate; Vidhyamitra substrate"},"seo":{"title":"Pañchāṅga September 18, 2053 CE · Vidhyamitra","description":"Vedic pañchāṅga for September 18, 2053 CE: Śukla Ṣaṣṭhī · Anurādhā.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/day/2053-09-18","hreflang_alternates":{"en":"https://vidhyamitra.com/day/2053-09-18","sa":"https://sa.vidhyamitra.com/day/2053-09-18","hi":"https://hi.vidhyamitra.com/day/2053-09-18","x-default":"https://vidhyamitra.com/day/2053-09-18"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-14T12:24:35.515Z","verification":{"type":"multi-marker","confidence":"canonical"}}],"meta":{"generated_at":"2026-05-14T12:24:35.515Z","pillar_versions":{"BOB-History":"Pūrṇa"}}}