{"id":"vidhyamitra:city-day:vrindavan:1990-12-25:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/vrindavan/1990-12-25","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1990-12-25","date_display":"December 25, 1990 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":1990,"month":12,"day":25,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2448250.770833,"kali_year":5092,"ahargana":1859785.2708,"sun":{"sidereal_longitude":248.9688,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":341.6146,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":8,"name":"Aṣṭamī","paksha":"Śukla","full_name":"Śukla Aṣṭamī","elongation_degrees":92.6459,"elapsed_within_tithi_degrees":8.6459},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":3,"moon_longitude":341.6146,"elapsed_within_degrees":8.2813},"yoga":{"number":18,"name":"Varīyān","sum_longitude":230.5834},"karana":{"half_tithi_index":15,"name":"Bava"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"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":1990,"month":12,"day":25,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2448250.770833,"ahargana":1859785.2708,"kali_year":5092,"ayanamsa_lahiri":23.727,"grahas":{"sun":{"sidereal_longitude":249.2460739999999,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":3},"retrograde":false},"moon":{"sidereal_longitude":338.066074,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":2},"retrograde":false,"latitude":3.9719},"mars":{"sidereal_longitude":34.580174,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":247.61097399999994,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":3},"retrograde":true},"jupiter":{"sidereal_longitude":108.76847400000003,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":1},"retrograde":true},"venus":{"sidereal_longitude":262.417774,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":270.964874,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":2},"retrograde":false},"rahu":{"sidereal_longitude":279.6264,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":99.6264,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","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":1990,"month":12,"day":25,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2448250.770833,"kali_year":5092,"ahargana":1859785.2708,"sun":{"sidereal_longitude":248.9688,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":341.6146,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":8,"name":"Aṣṭamī","paksha":"Śukla","full_name":"Śukla Aṣṭamī","elongation_degrees":92.6459,"elapsed_within_tithi_degrees":8.6459},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":3,"moon_longitude":341.6146,"elapsed_within_degrees":8.2813},"yoga":{"number":18,"name":"Varīyān","sum_longitude":230.5834},"karana":{"half_tithi_index":15,"name":"Bava"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":3.972,"elongation":92.646},"lunar":{"type":"lunar","occurs":false,"moon_latitude":3.972,"opposition_distance":87.354}},"eclipse_window_40days":[]},"city":{"slug":"vrindavan","name":"Vṛndāvana","lat":27.565,"lon":77.6593,"tz_offset_hours":5.5,"state":"Uttar Pradesh","country":"IN","tier":"tirtha"},"tier2":{"city":{"slug":"vrindavan","name":"Vṛndāvana","lat":27.565,"lon":77.6593,"tz_offset_hours":5.5,"state":"Uttar Pradesh","country":"IN","tier":"tirtha"},"sunriseLocal":"07:08","sunsetLocal":"17:32","solarNoonLocal":"12:20","dayLengthHours":10.398862706085904,"dayLengthDisplay":"10 Hours 23 Mins 56 Secs","nightLengthDisplay":"13 Hours 36 Mins 04 Secs","moonriseLocal":"12:11","moonsetLocal":"00:19","rahuKala":{"name":"Rāhu Kāla","start":"14:56","end":"16:14","startHours":14.930653292222635,"endHours":16.23051113048337,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"09:44","end":"11:02","startHours":9.731221939179683,"endHours":11.031079777440421,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"12:20","end":"13:38","startHours":12.33093761570116,"endHours":13.630795453961898,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:33","end":"09:54","startHours":9.557907560744919,"endHours":9.904536317614449,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:34","end":"07:51","startHours":7.56479220874512,"endHours":7.842095214240744,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:59","end":"12:41","startHours":11.984308858831628,"endHours":12.677566372570688,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:45","end":"06:26","startHours":5.744991235180087,"endHours":6.438248748919147,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:16","end":"07:08","startHours":6.264934370484382,"endHours":7.131506262658207,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:04","end":"14:45","startHours":14.06408140004881,"endHours":14.757338913787871,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:20","end":"17:44","startHours":17.33036896874411,"endHours":17.73036896874411,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:32","end":"17:58","startHours":17.53036896874411,"endHours":17.96365491483102,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:17","end":"19:02","startHours":17.28036896874411,"endHours":19.03036896874411,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:59","end":"00:41","startHours":23.98430885883163,"endHours":24.67756637257069,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Roga","start":"07:08","end":"08:26","startHours":7.131506262658207,"endHours":8.431364100918945,"quality":"inauspicious"},{"name":"Udveg","start":"08:26","end":"09:44","startHours":8.431364100918945,"endHours":9.731221939179683,"quality":"inauspicious"},{"name":"Chala","start":"09:44","end":"11:02","startHours":9.731221939179683,"endHours":11.031079777440421,"quality":"neutral"},{"name":"Labha","start":"11:02","end":"12:20","startHours":11.031079777440421,"endHours":12.33093761570116,"quality":"auspicious"},{"name":"Amṛta","start":"12:20","end":"13:38","startHours":12.33093761570116,"endHours":13.630795453961898,"quality":"auspicious"},{"name":"Kāla","start":"13:38","end":"14:56","startHours":13.630795453961898,"endHours":14.930653292222635,"quality":"inauspicious"},{"name":"Śubha","start":"14:56","end":"16:14","startHours":14.930653292222635,"endHours":16.23051113048337,"quality":"auspicious"},{"name":"Roga","start":"16:14","end":"17:32","startHours":16.23051113048337,"endHours":17.53036896874411,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Kāla","start":"17:32","end":"19:14","startHours":17.53036896874411,"endHours":19.23051113048337,"quality":"inauspicious"},{"name":"Śubha","start":"19:14","end":"20:56","startHours":19.23051113048337,"endHours":20.930653292222633,"quality":"auspicious"},{"name":"Roga","start":"20:56","end":"22:38","startHours":20.930653292222633,"endHours":22.630795453961895,"quality":"inauspicious"},{"name":"Udveg","start":"22:38","end":"00:20","startHours":22.630795453961895,"endHours":24.33093761570116,"quality":"inauspicious"},{"name":"Chala","start":"00:20","end":"02:02","startHours":24.33093761570116,"endHours":26.031079777440418,"quality":"neutral"},{"name":"Labha","start":"02:02","end":"03:44","startHours":26.031079777440418,"endHours":27.731221939179683,"quality":"auspicious"},{"name":"Amṛta","start":"03:44","end":"05:26","startHours":27.731221939179683,"endHours":29.431364100918945,"quality":"auspicious"},{"name":"Kāla","start":"05:26","end":"07:08","startHours":29.431364100918945,"endHours":31.131506262658206,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"07:08","end":"08:08","startHours":7.131506262658207,"endHours":8.131506262658206,"planetary_lord":"Mars"},{"name":"Hora 2","start":"08:08","end":"09:08","startHours":8.131506262658206,"endHours":9.131506262658206,"planetary_lord":"Jupiter"},{"name":"Hora 3","start":"09:08","end":"10:08","startHours":9.131506262658206,"endHours":10.131506262658206,"planetary_lord":"Saturn"},{"name":"Hora 4","start":"10:08","end":"11:08","startHours":10.131506262658206,"endHours":11.131506262658206,"planetary_lord":"Moon"},{"name":"Hora 5","start":"11:08","end":"12:08","startHours":11.131506262658206,"endHours":12.131506262658206,"planetary_lord":"Mercury"},{"name":"Hora 6","start":"12:08","end":"13:08","startHours":12.131506262658206,"endHours":13.131506262658206,"planetary_lord":"Venus"},{"name":"Hora 7","start":"13:08","end":"14:08","startHours":13.131506262658206,"endHours":14.131506262658206,"planetary_lord":"Sun"},{"name":"Hora 8","start":"14:08","end":"15:08","startHours":14.131506262658206,"endHours":15.131506262658206,"planetary_lord":"Mars"},{"name":"Hora 9","start":"15:08","end":"16:08","startHours":15.131506262658206,"endHours":16.131506262658206,"planetary_lord":"Jupiter"},{"name":"Hora 10","start":"16:08","end":"17:08","startHours":16.131506262658206,"endHours":17.131506262658206,"planetary_lord":"Saturn"},{"name":"Hora 11","start":"17:08","end":"18:08","startHours":17.131506262658206,"endHours":18.131506262658206,"planetary_lord":"Moon"},{"name":"Hora 12","start":"18:08","end":"19:08","startHours":18.131506262658206,"endHours":19.131506262658206,"planetary_lord":"Mercury"},{"name":"Hora 13","start":"19:08","end":"20:08","startHours":19.131506262658206,"endHours":20.131506262658206,"planetary_lord":"Venus"},{"name":"Hora 14","start":"20:08","end":"21:08","startHours":20.131506262658206,"endHours":21.131506262658206,"planetary_lord":"Sun"},{"name":"Hora 15","start":"21:08","end":"22:08","startHours":21.131506262658206,"endHours":22.131506262658206,"planetary_lord":"Mars"},{"name":"Hora 16","start":"22:08","end":"23:08","startHours":22.131506262658206,"endHours":23.131506262658206,"planetary_lord":"Jupiter"},{"name":"Hora 17","start":"23:08","end":"00:08","startHours":23.131506262658206,"endHours":24.131506262658206,"planetary_lord":"Saturn"},{"name":"Hora 18","start":"00:08","end":"01:08","startHours":24.131506262658206,"endHours":25.131506262658206,"planetary_lord":"Moon"},{"name":"Hora 19","start":"01:08","end":"02:08","startHours":25.131506262658206,"endHours":26.131506262658206,"planetary_lord":"Mercury"},{"name":"Hora 20","start":"02:08","end":"03:08","startHours":26.131506262658206,"endHours":27.131506262658206,"planetary_lord":"Venus"},{"name":"Hora 21","start":"03:08","end":"04:08","startHours":27.131506262658206,"endHours":28.131506262658206,"planetary_lord":"Sun"},{"name":"Hora 22","start":"04:08","end":"05:08","startHours":28.131506262658206,"endHours":29.131506262658206,"planetary_lord":"Mars"},{"name":"Hora 23","start":"05:08","end":"06:08","startHours":29.131506262658206,"endHours":30.131506262658206,"planetary_lord":"Jupiter"},{"name":"Hora 24","start":"06:08","end":"07:08","startHours":30.131506262658206,"endHours":31.131506262658206,"planetary_lord":"Saturn"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Revatī"],"unfavorable_nakshatras":["Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Citrā","Svātī","Viśākhā","Anurādhā","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Vṛṣabha","Siṃha","Kanyā","Dhanu","Makara","Mīna"],"unfavorable_rashis":["Meṣa","Mithuna","Karka","Tulā","Vṛścika","Kumbha"]},"dishaShool":"North (Uttara)","chandraVasa":"South-West","rahuVasa":"North","anandadiYoga":{"name":"Dhvānkṣa","quality":"Inauspicious"},"tropicalRitu":"Hemanta (Pre-winter) (tropical)","vedicRitu":"Hemanta (Pre-winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-23.403073511519967,"eotMinutes":-0.4934569420694592,"ayanamsa":23.727}},"calendars":{"vikram_samvat":2047,"vikram_samvatsara":"Subhānu","saka_samvat":1912,"saka_samvatsara":"Pramoda","bengali_samvat":1397,"malayalam_era":1166,"nanakshahi_year":521,"lunar_month":"Pauṣa","lunar_month_paksha_full":"Pauṣa Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Pauṣa","lunar_month_amanta":"Pauṣa","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Dhanus (Mārgaḻi)","ritu":"Hemanta (Pre-winter)","display_summary":"Pauṣa Śukla Aṣṭamī · Vikram 2047 Subhānu · Śaka 1912 Pramoda"},"festivals":[],"todays_walk":{"walk":{"id":"mangala-walk","name":"Maṅgala Walk","name_sanskrit":"मङ्गल यात्रा","type":"graha","description":"Right action + BG 2.31-38 (kṣatriya-dharma).","step_count":7,"url":"/walk/mangala-walk"},"reason":"Maṅgalavāra (Tuesday) — its presiding graha's walk."},"cosmic_resonances":[{"historical_date":"-3137-12-25","event":"Bhīṣma's Mahaprasthan","chart_id":"bhishma","shared_marker":"same Śukla Aṣṭamī","url":"/day/-3137-12-25","relevance":0.5}]},"validity":{"eternal":false,"location_specific":"vrindavan"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate + Vidhyamitra Tier-2 layer"},"seo":{"title":"Pañchāṅga December 25, 1990 CE · Vṛndāvana · Vidhyamitra","description":"December 25, 1990 CE for Vṛndāvana: Śukla Aṣṭamī, sūryodaya 07:08, sūryāsta 17:32.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/vrindavan/1990-12-25","hreflang_alternates":{"en":"https://vidhyamitra.com/city/vrindavan/1990-12-25","sa":"https://sa.vidhyamitra.com/city/vrindavan/1990-12-25","hi":"https://hi.vidhyamitra.com/city/vrindavan/1990-12-25","x-default":"https://vidhyamitra.com/city/vrindavan/1990-12-25"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T17:26:38.753Z","verification":{"type":"multi-marker","confidence":"canonical"}},{"pillar":"Vidhyamitra-Tier2","pillar_version":"0.1.0","method":"Spherical astronomy + Lahiri ayanamsa + standard solar declination + EoT correction","retrieved_at":"2026-05-31T17:26:38.753Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T17:26:38.753Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}