{"id":"vidhyamitra:day:2230-08-18:en","page_class":"VM-1-day","url":"https://vidhyamitra.com/day/2230-08-18","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2230-08-18","date_display":"August 18, 2230 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":2230,"month":8,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2535779.770833,"kali_year":5332,"ahargana":1947314.2708,"sun":{"sidereal_longitude":116.6038,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":220.7463,"rashi":8,"rashi_name":"Vṛścika"},"tithi":{"number":9,"name":"Navamī","paksha":"Śukla","full_name":"Śukla Navamī","elongation_degrees":104.1425,"elapsed_within_tithi_degrees":8.1425},"nakshatra":{"number":17,"name":"Anurādhā","pada":3,"moon_longitude":220.7463,"elapsed_within_degrees":7.413},"yoga":{"number":26,"name":"Indra","sum_longitude":337.3501},"karana":{"half_tithi_index":17,"name":"Kaulava"},"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":2230,"month":8,"day":18,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2535779.770833,"ahargana":1947314.2708,"kali_year":5332,"ayanamsa_lahiri":27.0747,"grahas":{"sun":{"sidereal_longitude":117.77182300000004,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":4},"retrograde":false},"moon":{"sidereal_longitude":223.73582299999998,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":4},"retrograde":false,"latitude":-4.4145},"mars":{"sidereal_longitude":156.41972299999998,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":104.02432299999998,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":159.000723,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":4},"retrograde":false},"venus":{"sidereal_longitude":112.53862300000003,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":319.184923,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":4},"retrograde":true},"rahu":{"sidereal_longitude":321.9188,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":141.9188,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":3},"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":2230,"month":8,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2535779.770833,"kali_year":5332,"ahargana":1947314.2708,"sun":{"sidereal_longitude":116.6038,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":220.7463,"rashi":8,"rashi_name":"Vṛścika"},"tithi":{"number":9,"name":"Navamī","paksha":"Śukla","full_name":"Śukla Navamī","elongation_degrees":104.1425,"elapsed_within_tithi_degrees":8.1425},"nakshatra":{"number":17,"name":"Anurādhā","pada":3,"moon_longitude":220.7463,"elapsed_within_degrees":7.413},"yoga":{"number":26,"name":"Indra","sum_longitude":337.3501},"karana":{"half_tithi_index":17,"name":"Kaulava"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-4.415,"elongation":104.142},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-4.415,"opposition_distance":75.858}},"eclipse_window_40days":[]},"calendars":{"vikram_samvat":2287,"vikram_samvatsara":"Subhānu","saka_samvat":2152,"saka_samvatsara":"Pramoda","bengali_samvat":1637,"malayalam_era":1406,"nanakshahi_year":761,"lunar_month":"Śrāvaṇa","lunar_month_paksha_full":"Śrāvaṇa Śukla Pakṣa","solar_month":"Karkaṭa (Āḍi)","ritu":"Varṣā (Monsoon)","display_summary":"Śrāvaṇa Śukla Navamī · Vikram 2287 Subhānu · Śaka 2152 Pramoda"},"festivals":[{"id":"karka-sankranti","name":"Karka Saṅkrānti (Dakṣiṇāyana)","name_sanskrit":"कर्क सङ्क्रान्ति","tradition":"Pan-Hindu","associated_deity":"Sūrya Bhagavān","significance":"Sun enters Cancer; Dakṣiṇāyana (south-going) begins. Devatā-rātri begins.","vrata":true,"detection":{"sun_rashi":"Karka"},"precedence":2}],"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":"-1626101-04-03","event":"Bhagavān Rāma's birth at Ayodhyā","chart_id":"rama","shared_marker":"same Śukla Navamī","url":"/day/-1626101-04-03","relevance":0.5}]},"validity":{"eternal":false,"valid_from":"2230-08-18T00:00:00Z"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate; Vidhyamitra substrate"},"seo":{"title":"Pañchāṅga August 18, 2230 CE · Vidhyamitra","description":"Vedic pañchāṅga for August 18, 2230 CE: Śukla Navamī · Anurādhā.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/day/2230-08-18","hreflang_alternates":{"en":"https://vidhyamitra.com/day/2230-08-18","sa":"https://sa.vidhyamitra.com/day/2230-08-18","hi":"https://hi.vidhyamitra.com/day/2230-08-18","x-default":"https://vidhyamitra.com/day/2230-08-18"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-26T11:10:00.632Z","verification":{"type":"multi-marker","confidence":"canonical"}}],"meta":{"generated_at":"2026-05-26T11:10:00.632Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa"}}}