{"id":"vidhyamitra:day:2090-01-22:en","page_class":"VM-1-day","url":"https://vidhyamitra.com/day/2090-01-22","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2090-01-22","date_display":"January 22, 2090 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":2090,"month":1,"day":22,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2484438.770833,"kali_year":5191,"ahargana":1895973.2708,"sun":{"sidereal_longitude":277.1034,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":174.4437,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":22,"name":"Saptamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Saptamī","elongation_degrees":257.3403,"elapsed_within_tithi_degrees":5.3403},"nakshatra":{"number":14,"name":"Citrā","pada":1,"moon_longitude":174.4437,"elapsed_within_degrees":1.1104},"yoga":{"number":7,"name":"Sukarma","sum_longitude":91.5471},"karana":{"half_tithi_index":42,"name":"Viṣṭi"},"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":2090,"month":1,"day":22,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2484438.770833,"ahargana":1895973.2708,"kali_year":5191,"ayanamsa_lahiri":25.1111,"grahas":{"sun":{"sidereal_longitude":277.375226,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":4},"retrograde":false},"moon":{"sidereal_longitude":178.11922600000003,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":14,"name":"Citrā","pada":2},"retrograde":false,"latitude":0.9525},"mars":{"sidereal_longitude":280.02172599999994,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":256.24492599999996,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":226.737126,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":1},"retrograde":false},"venus":{"sidereal_longitude":284.732526,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":38.73522600000001,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":4},"retrograde":true},"rahu":{"sidereal_longitude":162.212,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":342.212,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","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":2090,"month":1,"day":22,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2484438.770833,"kali_year":5191,"ahargana":1895973.2708,"sun":{"sidereal_longitude":277.1034,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":174.4437,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":22,"name":"Saptamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Saptamī","elongation_degrees":257.3403,"elapsed_within_tithi_degrees":5.3403},"nakshatra":{"number":14,"name":"Citrā","pada":1,"moon_longitude":174.4437,"elapsed_within_degrees":1.1104},"yoga":{"number":7,"name":"Sukarma","sum_longitude":91.5471},"karana":{"half_tithi_index":42,"name":"Viṣṭi"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":0.952,"elongation":102.66},"lunar":{"type":"lunar","occurs":false,"moon_latitude":0.952,"opposition_distance":77.34}},"eclipse_window_40days":[]},"calendars":{"vikram_samvat":2147,"vikram_samvatsara":"Rudhirodgāri","saka_samvat":2012,"saka_samvatsara":"Sādhāraṇa","bengali_samvat":1497,"malayalam_era":1266,"nanakshahi_year":621,"lunar_month":"Māgha","lunar_month_paksha_full":"Māgha Kṛṣṇa Pakṣa","solar_month":"Makara (Tai)","ritu":"Śiśira (Winter)","display_summary":"Māgha Kṛṣṇa Saptamī · Vikram 2147 Rudhirodgāri · Śaka 2012 Sādhāraṇa"},"festivals":[{"id":"makara-sankranti","name":"Makara Saṅkrānti (Uttarāyaṇa)","name_sanskrit":"मकर सङ्क्रान्ति","tradition":"Pan-Hindu","associated_deity":"Sūrya Bhagavān","significance":"Sun enters Capricorn; Uttarāyaṇa (north-going) begins. Bhīṣma's chosen mahaprasthāna time.","vrata":true,"detection":{"sun_rashi":"Makara"},"precedence":1,"sources":["Mahābhārata Bhīṣma-Stuti","Sūrya-Siddhānta"]},{"id":"pongal","name":"Pongal / Thai Pongal","name_sanskrit":"पोङ्गल","tradition":"Regional","associated_deity":"Sūrya Bhagavān","significance":"Tamil 4-day harvest festival; coincides with Makara Saṅkrānti.","vrata":false,"detection":{"sun_rashi":"Makara"},"precedence":2}],"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":"2090-01-22T00:00:00Z"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate; Vidhyamitra substrate"},"seo":{"title":"Pañchāṅga January 22, 2090 CE · Vidhyamitra","description":"Vedic pañchāṅga for January 22, 2090 CE: Kṛṣṇa Saptamī · Citrā.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/day/2090-01-22","hreflang_alternates":{"en":"https://vidhyamitra.com/day/2090-01-22","sa":"https://sa.vidhyamitra.com/day/2090-01-22","hi":"https://hi.vidhyamitra.com/day/2090-01-22","x-default":"https://vidhyamitra.com/day/2090-01-22"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-14T07:20:20.638Z","verification":{"type":"multi-marker","confidence":"canonical"}}],"meta":{"generated_at":"2026-05-14T07:20:20.638Z","pillar_versions":{"BOB-History":"Pūrṇa"}}}