{"id":"vidhyamitra:day:2205-12-16:en","page_class":"VM-1-day","url":"https://vidhyamitra.com/day/2205-12-16","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2205-12-16","date_display":"December 16, 2205 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":2205,"month":12,"day":16,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2526768.770833,"kali_year":5307,"ahargana":1938303.2708,"sun":{"sidereal_longitude":235.9998,"rashi":8,"rashi_name":"Vṛścika"},"moon":{"sidereal_longitude":291.7576,"rashi":10,"rashi_name":"Makara"},"tithi":{"number":5,"name":"Pañcamī","paksha":"Śukla","full_name":"Śukla Pañcamī","elongation_degrees":55.7578,"elapsed_within_tithi_degrees":7.7578},"nakshatra":{"number":22,"name":"Śravaṇa","pada":4,"moon_longitude":291.7576,"elapsed_within_degrees":11.7576},"yoga":{"number":13,"name":"Vyāghāta","sum_longitude":167.7574},"karana":{"half_tithi_index":9,"name":"Bālava"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"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":2205,"month":12,"day":16,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2526768.770833,"ahargana":1938303.2708,"kali_year":5307,"ayanamsa_lahiri":26.73,"grahas":{"sun":{"sidereal_longitude":236.897509,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":4},"retrograde":false},"moon":{"sidereal_longitude":291.353109,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":4},"retrograde":false,"latitude":-2.409},"mars":{"sidereal_longitude":175.7027089999999,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":14,"name":"Citrā","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":240.4701090000001,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":151.186009,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":2},"retrograde":false},"venus":{"sidereal_longitude":196.72370899999999,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":12.955608999999981,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":4},"retrograde":true},"rahu":{"sidereal_longitude":79.3649,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":259.3649,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","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":2205,"month":12,"day":16,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2526768.770833,"kali_year":5307,"ahargana":1938303.2708,"sun":{"sidereal_longitude":235.9998,"rashi":8,"rashi_name":"Vṛścika"},"moon":{"sidereal_longitude":291.7576,"rashi":10,"rashi_name":"Makara"},"tithi":{"number":5,"name":"Pañcamī","paksha":"Śukla","full_name":"Śukla Pañcamī","elongation_degrees":55.7578,"elapsed_within_tithi_degrees":7.7578},"nakshatra":{"number":22,"name":"Śravaṇa","pada":4,"moon_longitude":291.7576,"elapsed_within_degrees":11.7576},"yoga":{"number":13,"name":"Vyāghāta","sum_longitude":167.7574},"karana":{"half_tithi_index":9,"name":"Bālava"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-2.409,"elongation":55.758},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-2.409,"opposition_distance":124.242}},"eclipse_window_40days":[{"offset_days":11,"type":"lunar","occurs":true,"moon_latitude":-1.069,"opposition_distance":2.27}]},"calendars":{"vikram_samvat":2262,"vikram_samvatsara":"Kālayukta","saka_samvat":2127,"saka_samvatsara":"Viśvāvasu","bengali_samvat":1612,"malayalam_era":1381,"nanakshahi_year":736,"lunar_month":"Mārgaśīrṣa","lunar_month_paksha_full":"Mārgaśīrṣa Śukla Pakṣa","solar_month":"Vṛścika (Kārttikai)","ritu":"Hemanta (Pre-winter)","display_summary":"Mārgaśīrṣa Śukla Pañcamī · Vikram 2262 Kālayukta · Śaka 2127 Viśvāvasu"},"festivals":[{"id":"vrischika-sankranti","name":"Vṛścika Saṅkrānti","name_sanskrit":"वृश्चिक सङ्क्रान्ति","tradition":"Pan-Hindu","significance":"Sun enters Scorpio.","vrata":false,"detection":{"sun_rashi":"Vṛścika"},"precedence":5}],"todays_walk":{"walk":{"id":"chandra-walk","name":"Candra Walk","name_sanskrit":"चन्द्र यात्रा","type":"graha","description":"Manas-control + BG 6.5-7.","step_count":5,"url":"/walk/chandra-walk"},"reason":"Somavāra (Monday) — its presiding graha's walk."},"cosmic_resonances":[]},"validity":{"eternal":false,"valid_from":"2205-12-16T00:00:00Z"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate; Vidhyamitra substrate"},"seo":{"title":"Pañchāṅga December 16, 2205 CE · Vidhyamitra","description":"Vedic pañchāṅga for December 16, 2205 CE: Śukla Pañcamī · Śravaṇa.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/day/2205-12-16","hreflang_alternates":{"en":"https://vidhyamitra.com/day/2205-12-16","sa":"https://sa.vidhyamitra.com/day/2205-12-16","hi":"https://hi.vidhyamitra.com/day/2205-12-16","x-default":"https://vidhyamitra.com/day/2205-12-16"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-25T03:52:11.277Z","verification":{"type":"multi-marker","confidence":"canonical"}}],"meta":{"generated_at":"2026-05-25T03:52:11.277Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa"}}}