{"id":"vidhyamitra:city-day:mathura:1985-04-11:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/mathura/1985-04-11","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1985-04-11","date_display":"April 11, 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":4,"day":11,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2446166.770833,"kali_year":5086,"ahargana":1857701.2708,"sun":{"sidereal_longitude":357.6333,"rashi":12,"rashi_name":"Mīna"},"moon":{"sidereal_longitude":250.2057,"rashi":9,"rashi_name":"Dhanu"},"tithi":{"number":22,"name":"Saptamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Saptamī","elongation_degrees":252.5724,"elapsed_within_tithi_degrees":0.5724},"nakshatra":{"number":19,"name":"Mūla","pada":4,"moon_longitude":250.2057,"elapsed_within_degrees":10.2057},"yoga":{"number":19,"name":"Parigha","sum_longitude":247.8389},"karana":{"half_tithi_index":42,"name":"Viṣṭi"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"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":4,"day":11,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2446166.770833,"ahargana":1857701.2708,"kali_year":5086,"ayanamsa_lahiri":23.6473,"grahas":{"sun":{"sidereal_longitude":357.456398,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":4},"retrograde":false},"moon":{"sidereal_longitude":253.24249800000007,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":4},"retrograde":false,"latitude":-2.9003},"mars":{"sidereal_longitude":25.81289800000002,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":345.079698,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":4},"retrograde":true},"jupiter":{"sidereal_longitude":289.80229800000006,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":3},"retrograde":false},"venus":{"sidereal_longitude":346.448298,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":213.17459800000006,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":16,"name":"Viśākhā","pada":4},"retrograde":true},"rahu":{"sidereal_longitude":30.0468,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":210.0468,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":16,"name":"Viśākhā","pada":4},"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":4,"day":11,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2446166.770833,"kali_year":5086,"ahargana":1857701.2708,"sun":{"sidereal_longitude":357.6333,"rashi":12,"rashi_name":"Mīna"},"moon":{"sidereal_longitude":250.2057,"rashi":9,"rashi_name":"Dhanu"},"tithi":{"number":22,"name":"Saptamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Saptamī","elongation_degrees":252.5724,"elapsed_within_tithi_degrees":0.5724},"nakshatra":{"number":19,"name":"Mūla","pada":4,"moon_longitude":250.2057,"elapsed_within_degrees":10.2057},"yoga":{"number":19,"name":"Parigha","sum_longitude":247.8389},"karana":{"half_tithi_index":42,"name":"Viṣṭi"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-2.9,"elongation":107.428},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-2.9,"opposition_distance":72.572}},"eclipse_window_40days":[]},"city":{"slug":"mathura","name":"Mathurā","lat":27.4924,"lon":77.6737,"tz_offset_hours":5.5,"state":"Uttar Pradesh","country":"IN","tier":"tirtha"},"tier2":{"city":{"slug":"mathura","name":"Mathurā","lat":27.4924,"lon":77.6737,"tz_offset_hours":5.5,"state":"Uttar Pradesh","country":"IN","tier":"tirtha"},"sunriseLocal":"06:00","sunsetLocal":"18:42","solarNoonLocal":"12:21","dayLengthHours":12.702749617439519,"dayLengthDisplay":"12 Hours 42 Mins 10 Secs","nightLengthDisplay":"11 Hours 17 Mins 50 Secs","moonriseLocal":"00:13","moonsetLocal":"10:35","rahuKala":{"name":"Rāhu Kāla","start":"13:56","end":"15:31","startHours":13.931641817854555,"endHours":15.519485520034493,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"06:00","end":"07:35","startHours":5.992423306954856,"endHours":7.580267009134795,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"09:10","end":"10:45","startHours":9.168110711314736,"endHours":10.755954413494674,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:57","end":"09:23","startHours":8.956398217690744,"endHours":9.379823204938727,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:31","end":"06:52","startHours":6.521704541014836,"endHours":6.860444530813224,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:55","end":"12:46","startHours":11.92037312842663,"endHours":12.767223102922598,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:18","end":"05:09","startHours":4.2987233579629205,"endHours":5.145573332458888,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:56","end":"06:00","startHours":4.933860838834896,"endHours":5.992423306954856,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:28","end":"15:18","startHours":14.460923051914534,"endHours":15.307773026410501,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:30","end":"18:54","startHours":18.495172924394375,"endHours":18.895172924394373,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:42","end":"19:13","startHours":18.695172924394374,"endHours":19.224454158454353,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:27","end":"20:12","startHours":18.445172924394374,"endHours":20.195172924394374,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:55","end":"00:46","startHours":23.920373128426633,"endHours":24.7672231029226,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Śubha","start":"06:00","end":"07:35","startHours":5.992423306954856,"endHours":7.580267009134795,"quality":"auspicious"},{"name":"Roga","start":"07:35","end":"09:10","startHours":7.580267009134795,"endHours":9.168110711314736,"quality":"inauspicious"},{"name":"Udveg","start":"09:10","end":"10:45","startHours":9.168110711314736,"endHours":10.755954413494674,"quality":"inauspicious"},{"name":"Chala","start":"10:45","end":"12:21","startHours":10.755954413494674,"endHours":12.343798115674616,"quality":"neutral"},{"name":"Labha","start":"12:21","end":"13:56","startHours":12.343798115674616,"endHours":13.931641817854555,"quality":"auspicious"},{"name":"Amṛta","start":"13:56","end":"15:31","startHours":13.931641817854555,"endHours":15.519485520034493,"quality":"auspicious"},{"name":"Kāla","start":"15:31","end":"17:06","startHours":15.519485520034493,"endHours":17.107329222214435,"quality":"inauspicious"},{"name":"Śubha","start":"17:06","end":"18:42","startHours":17.107329222214435,"endHours":18.695172924394374,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Amṛta","start":"18:42","end":"20:06","startHours":18.695172924394374,"endHours":20.107329222214435,"quality":"auspicious"},{"name":"Kāla","start":"20:06","end":"21:31","startHours":20.107329222214435,"endHours":21.519485520034493,"quality":"inauspicious"},{"name":"Śubha","start":"21:31","end":"22:56","startHours":21.519485520034493,"endHours":22.931641817854555,"quality":"auspicious"},{"name":"Roga","start":"22:56","end":"00:21","startHours":22.931641817854555,"endHours":24.343798115674616,"quality":"inauspicious"},{"name":"Udveg","start":"00:21","end":"01:45","startHours":24.343798115674616,"endHours":25.755954413494674,"quality":"inauspicious"},{"name":"Chala","start":"01:45","end":"03:10","startHours":25.755954413494674,"endHours":27.168110711314736,"quality":"neutral"},{"name":"Labha","start":"03:10","end":"04:35","startHours":27.168110711314736,"endHours":28.580267009134793,"quality":"auspicious"},{"name":"Amṛta","start":"04:35","end":"06:00","startHours":28.580267009134793,"endHours":29.992423306954855,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:00","end":"07:00","startHours":5.992423306954856,"endHours":6.992423306954856,"planetary_lord":"Jupiter"},{"name":"Hora 2","start":"07:00","end":"08:00","startHours":6.992423306954856,"endHours":7.992423306954856,"planetary_lord":"Saturn"},{"name":"Hora 3","start":"08:00","end":"09:00","startHours":7.992423306954856,"endHours":8.992423306954855,"planetary_lord":"Moon"},{"name":"Hora 4","start":"09:00","end":"10:00","startHours":8.992423306954855,"endHours":9.992423306954855,"planetary_lord":"Mercury"},{"name":"Hora 5","start":"10:00","end":"11:00","startHours":9.992423306954855,"endHours":10.992423306954855,"planetary_lord":"Venus"},{"name":"Hora 6","start":"11:00","end":"12:00","startHours":10.992423306954855,"endHours":11.992423306954855,"planetary_lord":"Sun"},{"name":"Hora 7","start":"12:00","end":"13:00","startHours":11.992423306954855,"endHours":12.992423306954855,"planetary_lord":"Mars"},{"name":"Hora 8","start":"13:00","end":"14:00","startHours":12.992423306954855,"endHours":13.992423306954855,"planetary_lord":"Jupiter"},{"name":"Hora 9","start":"14:00","end":"15:00","startHours":13.992423306954855,"endHours":14.992423306954855,"planetary_lord":"Saturn"},{"name":"Hora 10","start":"15:00","end":"16:00","startHours":14.992423306954855,"endHours":15.992423306954855,"planetary_lord":"Moon"},{"name":"Hora 11","start":"16:00","end":"17:00","startHours":15.992423306954855,"endHours":16.992423306954855,"planetary_lord":"Mercury"},{"name":"Hora 12","start":"17:00","end":"18:00","startHours":16.992423306954855,"endHours":17.992423306954855,"planetary_lord":"Venus"},{"name":"Hora 13","start":"18:00","end":"19:00","startHours":17.992423306954855,"endHours":18.992423306954855,"planetary_lord":"Sun"},{"name":"Hora 14","start":"19:00","end":"20:00","startHours":18.992423306954855,"endHours":19.992423306954855,"planetary_lord":"Mars"},{"name":"Hora 15","start":"20:00","end":"21:00","startHours":19.992423306954855,"endHours":20.992423306954855,"planetary_lord":"Jupiter"},{"name":"Hora 16","start":"21:00","end":"22:00","startHours":20.992423306954855,"endHours":21.992423306954855,"planetary_lord":"Saturn"},{"name":"Hora 17","start":"22:00","end":"23:00","startHours":21.992423306954855,"endHours":22.992423306954855,"planetary_lord":"Moon"},{"name":"Hora 18","start":"23:00","end":"00:00","startHours":22.992423306954855,"endHours":23.992423306954855,"planetary_lord":"Mercury"},{"name":"Hora 19","start":"00:00","end":"01:00","startHours":23.992423306954855,"endHours":24.992423306954855,"planetary_lord":"Venus"},{"name":"Hora 20","start":"01:00","end":"02:00","startHours":24.992423306954855,"endHours":25.992423306954855,"planetary_lord":"Sun"},{"name":"Hora 21","start":"02:00","end":"03:00","startHours":25.992423306954855,"endHours":26.992423306954855,"planetary_lord":"Mars"},{"name":"Hora 22","start":"03:00","end":"04:00","startHours":26.992423306954855,"endHours":27.992423306954855,"planetary_lord":"Jupiter"},{"name":"Hora 23","start":"04:00","end":"05:00","startHours":27.992423306954855,"endHours":28.992423306954855,"planetary_lord":"Saturn"},{"name":"Hora 24","start":"05:00","end":"06:00","startHours":28.992423306954855,"endHours":29.992423306954855,"planetary_lord":"Moon"}],"taraBala":{"favorable_nakshatras":["Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Svātī","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj"],"unfavorable_nakshatras":["Aśvinī","Punarvasu","Puṣya","Aśleṣā","Maghā","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Vṛṣabha","Mithuna","Kanyā","Tulā","Dhanu","Kumbha"],"unfavorable_rashis":["Meṣa","Karka","Siṃha","Vṛścika","Makara","Mīna"]},"dishaShool":"South (Dakṣiṇa)","chandraVasa":"East","rahuVasa":"North-West","anandadiYoga":{"name":"Dhvaja","quality":"Auspicious"},"drikRitu":"Vasanta (Spring) (Drik)","vedicRitu":"Śiśira (Winter)","drikAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":8.233427561460648,"eotMinutes":-1.322686940476858,"ayanamsa":23.6473}},"calendars":{"vikram_samvat":2042,"vikram_samvatsara":"Bahudhānya","saka_samvat":1907,"saka_samvatsara":"Krodhana","bengali_samvat":1392,"malayalam_era":1161,"nanakshahi_year":516,"lunar_month":"Caitra","lunar_month_paksha_full":"Caitra Kṛṣṇa Pakṣa","solar_month":"Mīna (Paṅkuṇi)","ritu":"Vasanta (Spring)","display_summary":"Caitra Kṛṣṇa Saptamī · Vikram 2042 Bahudhānya · Śaka 1907 Krodhana"},"festivals":[{"id":"mina-sankranti","name":"Mīna Saṅkrānti","name_sanskrit":"मीन सङ्क्रान्ति","tradition":"Pan-Hindu","significance":"Sun enters Pisces; Mīna-māsa begins.","vrata":false,"detection":{"sun_rashi":"Mīna"},"precedence":5}],"todays_walk":{"walk":{"id":"guru-walk","name":"Bṛhaspati Walk","name_sanskrit":"गुरु यात्रा","type":"graha","description":"Wisdom transmission + BG 4.34.","step_count":8,"url":"/walk/guru-walk"},"reason":"Guruvāra (Thursday) — its presiding graha's walk."},"cosmic_resonances":[]},"validity":{"eternal":false,"location_specific":"mathura"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate + Vidhyamitra Tier-2 layer"},"seo":{"title":"Pañchāṅga April 11, 1985 CE · Mathurā · Vidhyamitra","description":"April 11, 1985 CE for Mathurā: Kṛṣṇa Saptamī, sūryodaya 06:00, sūryāsta 18:42.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/mathura/1985-04-11","hreflang_alternates":{"en":"https://vidhyamitra.com/city/mathura/1985-04-11","sa":"https://sa.vidhyamitra.com/city/mathura/1985-04-11","hi":"https://hi.vidhyamitra.com/city/mathura/1985-04-11","x-default":"https://vidhyamitra.com/city/mathura/1985-04-11"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-14T15:58:55.133Z","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":"2026-05-14T15:58:55.133Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-14T15:58:55.133Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}