{"id":"vidhyamitra:city-day:rishikesh:1985-01-04:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/1985-01-04","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1985-01-04","date_display":"January 4, 1985 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":1985,"month":1,"day":4,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2446069.770833,"kali_year":5086,"ahargana":1857604.2708,"sun":{"sidereal_longitude":259.817,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":42.3525,"rashi":2,"rashi_name":"Vṛṣabha"},"tithi":{"number":12,"name":"Dvādaśī","paksha":"Śukla","full_name":"Śukla Dvādaśī","elongation_degrees":142.5355,"elapsed_within_tithi_degrees":10.5355},"nakshatra":{"number":4,"name":"Rohiṇī","pada":1,"moon_longitude":42.3525,"elapsed_within_degrees":2.3525},"yoga":{"number":23,"name":"Śubha","sum_longitude":302.1695},"karana":{"half_tithi_index":23,"name":"Bālava"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"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":1985,"month":1,"day":4,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2446069.770833,"ahargana":1857604.2708,"kali_year":5086,"ayanamsa_lahiri":23.6436,"grahas":{"sun":{"sidereal_longitude":259.98610399999995,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":2},"retrograde":false},"moon":{"sidereal_longitude":43.107204000000024,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":1},"retrograde":false,"latitude":0.5608},"mars":{"sidereal_longitude":314.00510399999996,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":237.28610400000002,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":269.4306039999999,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":1},"retrograde":false},"venus":{"sidereal_longitude":306.3083039999999,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":210.99300400000004,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":16,"name":"Viśākhā","pada":4},"retrograde":false},"rahu":{"sidereal_longitude":35.1863,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":215.1863,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":1},"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":1985,"month":1,"day":4,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2446069.770833,"kali_year":5086,"ahargana":1857604.2708,"sun":{"sidereal_longitude":259.817,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":42.3525,"rashi":2,"rashi_name":"Vṛṣabha"},"tithi":{"number":12,"name":"Dvādaśī","paksha":"Śukla","full_name":"Śukla Dvādaśī","elongation_degrees":142.5355,"elapsed_within_tithi_degrees":10.5355},"nakshatra":{"number":4,"name":"Rohiṇī","pada":1,"moon_longitude":42.3525,"elapsed_within_degrees":2.3525},"yoga":{"number":23,"name":"Śubha","sum_longitude":302.1695},"karana":{"half_tithi_index":23,"name":"Bālava"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":0.561,"elongation":142.535},"lunar":{"type":"lunar","occurs":false,"moon_latitude":0.561,"opposition_distance":37.465}},"eclipse_window_40days":[]},"city":{"slug":"rishikesh","name":"Ṛṣikeśa","lat":30.0869,"lon":78.2676,"tz_offset_hours":5.5,"state":"Uttarakhand","country":"IN","tier":"tirtha"},"tier2":{"city":{"slug":"rishikesh","name":"Ṛṣikeśa","lat":30.0869,"lon":78.2676,"tz_offset_hours":5.5,"state":"Uttarakhand","country":"IN","tier":"tirtha"},"sunriseLocal":"07:14","sunsetLocal":"17:30","solarNoonLocal":"12:22","dayLengthHours":10.269405431342157,"dayLengthDisplay":"10 Hours 16 Mins 10 Secs","nightLengthDisplay":"13 Hours 43 Mins 50 Secs","moonriseLocal":"14:59","moonsetLocal":"04:50","rahuKala":{"name":"Rāhu Kāla","start":"11:05","end":"12:22","startHours":11.082216102171333,"endHours":12.365891781089104,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"14:56","end":"16:13","startHours":14.933243138924642,"endHours":16.216918817842412,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"08:31","end":"09:48","startHours":8.514864744335794,"endHours":9.798540423253563,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:38","end":"09:58","startHours":9.627383666064528,"endHours":9.9696971804426,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:40","end":"07:56","startHours":7.659080958390614,"endHours":7.932931769893072,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:01","end":"12:42","startHours":12.023578266711032,"endHours":12.708205295467176,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:52","end":"06:33","startHours":5.861935007905737,"endHours":6.54656203666188,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:23","end":"07:14","startHours":6.375405279472845,"endHours":7.231189065418024,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:05","end":"14:46","startHours":14.077459352979464,"endHours":14.762086381735607,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:18","end":"17:42","startHours":17.300594496760183,"endHours":17.700594496760182,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:30","end":"17:56","startHours":17.500594496760183,"endHours":17.92848638973277,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:15","end":"19:00","startHours":17.250594496760183,"endHours":19.000594496760183,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:01","end":"00:42","startHours":24.02357826671103,"endHours":24.708205295467177,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Chala","start":"07:14","end":"08:31","startHours":7.231189065418024,"endHours":8.514864744335794,"quality":"neutral"},{"name":"Labha","start":"08:31","end":"09:48","startHours":8.514864744335794,"endHours":9.798540423253563,"quality":"auspicious"},{"name":"Amṛta","start":"09:48","end":"11:05","startHours":9.798540423253563,"endHours":11.082216102171333,"quality":"auspicious"},{"name":"Kāla","start":"11:05","end":"12:22","startHours":11.082216102171333,"endHours":12.365891781089104,"quality":"inauspicious"},{"name":"Śubha","start":"12:22","end":"13:39","startHours":12.365891781089104,"endHours":13.649567460006873,"quality":"auspicious"},{"name":"Roga","start":"13:39","end":"14:56","startHours":13.649567460006873,"endHours":14.933243138924642,"quality":"inauspicious"},{"name":"Udveg","start":"14:56","end":"16:13","startHours":14.933243138924642,"endHours":16.216918817842412,"quality":"inauspicious"},{"name":"Chala","start":"16:13","end":"17:30","startHours":16.216918817842412,"endHours":17.500594496760183,"quality":"neutral"}],"nightChoghadiyas":[{"name":"Roga","start":"17:30","end":"19:13","startHours":17.500594496760183,"endHours":19.216918817842412,"quality":"inauspicious"},{"name":"Udveg","start":"19:13","end":"20:56","startHours":19.216918817842412,"endHours":20.933243138924645,"quality":"inauspicious"},{"name":"Chala","start":"20:56","end":"22:39","startHours":20.933243138924645,"endHours":22.649567460006875,"quality":"neutral"},{"name":"Labha","start":"22:39","end":"00:22","startHours":22.649567460006875,"endHours":24.365891781089104,"quality":"auspicious"},{"name":"Amṛta","start":"00:22","end":"02:05","startHours":24.365891781089104,"endHours":26.082216102171333,"quality":"auspicious"},{"name":"Kāla","start":"02:05","end":"03:48","startHours":26.082216102171333,"endHours":27.798540423253563,"quality":"inauspicious"},{"name":"Śubha","start":"03:48","end":"05:31","startHours":27.798540423253563,"endHours":29.514864744335796,"quality":"auspicious"},{"name":"Roga","start":"05:31","end":"07:14","startHours":29.514864744335796,"endHours":31.231189065418025,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"07:14","end":"08:14","startHours":7.231189065418024,"endHours":8.231189065418025,"planetary_lord":"Venus"},{"name":"Hora 2","start":"08:14","end":"09:14","startHours":8.231189065418025,"endHours":9.231189065418025,"planetary_lord":"Sun"},{"name":"Hora 3","start":"09:14","end":"10:14","startHours":9.231189065418025,"endHours":10.231189065418025,"planetary_lord":"Mars"},{"name":"Hora 4","start":"10:14","end":"11:14","startHours":10.231189065418025,"endHours":11.231189065418025,"planetary_lord":"Jupiter"},{"name":"Hora 5","start":"11:14","end":"12:14","startHours":11.231189065418025,"endHours":12.231189065418025,"planetary_lord":"Saturn"},{"name":"Hora 6","start":"12:14","end":"13:14","startHours":12.231189065418025,"endHours":13.231189065418025,"planetary_lord":"Moon"},{"name":"Hora 7","start":"13:14","end":"14:14","startHours":13.231189065418025,"endHours":14.231189065418025,"planetary_lord":"Mercury"},{"name":"Hora 8","start":"14:14","end":"15:14","startHours":14.231189065418025,"endHours":15.231189065418025,"planetary_lord":"Venus"},{"name":"Hora 9","start":"15:14","end":"16:14","startHours":15.231189065418025,"endHours":16.231189065418025,"planetary_lord":"Sun"},{"name":"Hora 10","start":"16:14","end":"17:14","startHours":16.231189065418025,"endHours":17.231189065418025,"planetary_lord":"Mars"},{"name":"Hora 11","start":"17:14","end":"18:14","startHours":17.231189065418025,"endHours":18.231189065418025,"planetary_lord":"Jupiter"},{"name":"Hora 12","start":"18:14","end":"19:14","startHours":18.231189065418025,"endHours":19.231189065418025,"planetary_lord":"Saturn"},{"name":"Hora 13","start":"19:14","end":"20:14","startHours":19.231189065418025,"endHours":20.231189065418025,"planetary_lord":"Moon"},{"name":"Hora 14","start":"20:14","end":"21:14","startHours":20.231189065418025,"endHours":21.231189065418025,"planetary_lord":"Mercury"},{"name":"Hora 15","start":"21:14","end":"22:14","startHours":21.231189065418025,"endHours":22.231189065418025,"planetary_lord":"Venus"},{"name":"Hora 16","start":"22:14","end":"23:14","startHours":22.231189065418025,"endHours":23.231189065418025,"planetary_lord":"Sun"},{"name":"Hora 17","start":"23:14","end":"00:14","startHours":23.231189065418025,"endHours":24.231189065418025,"planetary_lord":"Mars"},{"name":"Hora 18","start":"00:14","end":"01:14","startHours":24.231189065418025,"endHours":25.231189065418025,"planetary_lord":"Jupiter"},{"name":"Hora 19","start":"01:14","end":"02:14","startHours":25.231189065418025,"endHours":26.231189065418025,"planetary_lord":"Saturn"},{"name":"Hora 20","start":"02:14","end":"03:14","startHours":26.231189065418025,"endHours":27.231189065418025,"planetary_lord":"Moon"},{"name":"Hora 21","start":"03:14","end":"04:14","startHours":27.231189065418025,"endHours":28.231189065418025,"planetary_lord":"Mercury"},{"name":"Hora 22","start":"04:14","end":"05:14","startHours":28.231189065418025,"endHours":29.231189065418025,"planetary_lord":"Venus"},{"name":"Hora 23","start":"05:14","end":"06:14","startHours":29.231189065418025,"endHours":30.231189065418025,"planetary_lord":"Sun"},{"name":"Hora 24","start":"06:14","end":"07:14","startHours":30.231189065418025,"endHours":31.231189065418025,"planetary_lord":"Mars"}],"taraBala":{"favorable_nakshatras":["Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Aśleṣā","Citrā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Vṛṣabha","Karka","Tulā","Vṛścika","Kumbha","Mīna"],"unfavorable_rashis":["Meṣa","Mithuna","Siṃha","Kanyā","Dhanu","Makara"]},"dishaShool":"West (Paścim)","chandraVasa":"South-East","rahuVasa":"South-East","anandadiYoga":{"name":"Mātaṇga","quality":"Auspicious"},"drikRitu":"Hemanta (Pre-winter) (Drik)","vedicRitu":"Hemanta (Pre-winter)","drikAyana":"Uttarāyaṇa","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":-22.73887566585161,"eotMinutes":-5.02390686534617,"ayanamsa":23.6436}},"calendars":{"vikram_samvat":2042,"vikram_samvatsara":"Bahudhānya","saka_samvat":1907,"saka_samvatsara":"Krodhana","bengali_samvat":1392,"malayalam_era":1161,"nanakshahi_year":516,"lunar_month":"Pauṣa","lunar_month_paksha_full":"Pauṣa Śukla Pakṣa","solar_month":"Dhanus (Mārgaḻi)","ritu":"Hemanta (Pre-winter)","display_summary":"Pauṣa Śukla Dvādaśī · Vikram 2042 Bahudhānya · Śaka 1907 Krodhana"},"festivals":[{"id":"lohri","name":"Lohri","name_sanskrit":"लोहड़ी","tradition":"Regional","significance":"Punjab harvest festival; eve of Makara Saṅkrānti. (Approximated as 13/14 January annually; correct via Sun in Dhanu/Makara cusp.)","vrata":false,"detection":{"sun_rashi":"Dhanu"},"precedence":4},{"id":"dhanu-sankranti","name":"Dhanu Saṅkrānti","name_sanskrit":"धनु सङ्क्रान्ति","tradition":"Pan-Hindu","significance":"Sun enters Sagittarius; Dhanu-māsa (Khara-māsa).","vrata":false,"detection":{"sun_rashi":"Dhanu"},"precedence":5}],"todays_walk":{"walk":{"id":"shukra-walk","name":"Śukra Walk","name_sanskrit":"शुक्र यात्रा","type":"graha","description":"Beauty + creativity in dharma + BG 10.36.","step_count":5,"url":"/walk/shukra-walk"},"reason":"Śukravāra (Friday) — its presiding graha's walk."},"cosmic_resonances":[{"historical_date":"-3226-07-09","event":"Bhagavān Krishna's birth at Mathurā","chart_id":"krishna","shared_marker":"same Rohiṇī","url":"/day/-3226-07-09","relevance":0.5}]},"validity":{"eternal":false,"location_specific":"rishikesh"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate + Vidhyamitra Tier-2 layer"},"seo":{"title":"Pañchāṅga January 4, 1985 CE · Ṛṣikeśa · Vidhyamitra","description":"January 4, 1985 CE for Ṛṣikeśa: Śukla Dvādaśī, sūryodaya 07:14, sūryāsta 17:30.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/1985-01-04","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/1985-01-04","sa":"https://sa.vidhyamitra.com/city/rishikesh/1985-01-04","hi":"https://hi.vidhyamitra.com/city/rishikesh/1985-01-04","x-default":"https://vidhyamitra.com/city/rishikesh/1985-01-04"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-18T03:10:02.645Z","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":"2026-05-18T03:10:02.645Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-18T03:10:02.645Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}