{"id":"vidhyamitra:city-day:varanasi:1985-02-13:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/varanasi/1985-02-13","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1985-02-13","date_display":"February 13, 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":2,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2446109.770833,"kali_year":5086,"ahargana":1857644.2708,"sun":{"sidereal_longitude":300.7639,"rashi":11,"rashi_name":"Kumbha"},"moon":{"sidereal_longitude":217.8292,"rashi":8,"rashi_name":"Vṛścika"},"tithi":{"number":24,"name":"Navamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Navamī","elongation_degrees":277.0653,"elapsed_within_tithi_degrees":1.0653},"nakshatra":{"number":17,"name":"Anurādhā","pada":2,"moon_longitude":217.8292,"elapsed_within_degrees":4.4959},"yoga":{"number":12,"name":"Dhruva","sum_longitude":158.5931},"karana":{"half_tithi_index":46,"name":"Taitila"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"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":2,"day":13,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2446109.770833,"ahargana":1857644.2708,"kali_year":5086,"ayanamsa_lahiri":23.6451,"grahas":{"sun":{"sidereal_longitude":300.6384760000001,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":3},"retrograde":false},"moon":{"sidereal_longitude":219.66937600000006,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":2},"retrograde":false,"latitude":-0.3732},"mars":{"sidereal_longitude":344.289476,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":296.02587600000004,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":278.7180760000001,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":4},"retrograde":false},"venus":{"sidereal_longitude":345.778876,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":213.68117600000005,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":1},"retrograde":false},"rahu":{"sidereal_longitude":33.0669,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":213.0669,"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":2,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2446109.770833,"kali_year":5086,"ahargana":1857644.2708,"sun":{"sidereal_longitude":300.7639,"rashi":11,"rashi_name":"Kumbha"},"moon":{"sidereal_longitude":217.8292,"rashi":8,"rashi_name":"Vṛścika"},"tithi":{"number":24,"name":"Navamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Navamī","elongation_degrees":277.0653,"elapsed_within_tithi_degrees":1.0653},"nakshatra":{"number":17,"name":"Anurādhā","pada":2,"moon_longitude":217.8292,"elapsed_within_degrees":4.4959},"yoga":{"number":12,"name":"Dhruva","sum_longitude":158.5931},"karana":{"half_tithi_index":46,"name":"Taitila"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-0.373,"elongation":82.935},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-0.373,"opposition_distance":97.065}},"eclipse_window_40days":[]},"city":{"slug":"varanasi","name":"Vārāṇasī (Kāśī)","lat":25.3176,"lon":82.9739,"tz_offset_hours":5.5,"state":"Uttar Pradesh","country":"IN","tier":"tirtha"},"tier2":{"city":{"slug":"varanasi","name":"Vārāṇasī (Kāśī)","lat":25.3176,"lon":82.9739,"tz_offset_hours":5.5,"state":"Uttar Pradesh","country":"IN","tier":"tirtha"},"sunriseLocal":"06:35","sunsetLocal":"17:51","solarNoonLocal":"12:13","dayLengthHours":11.262470569966696,"dayLengthDisplay":"11 Hours 15 Mins 45 Secs","nightLengthDisplay":"12 Hours 44 Mins 15 Secs","moonriseLocal":"01:27","moonsetLocal":"12:10","rahuKala":{"name":"Rāhu Kāla","start":"12:13","end":"13:37","startHours":12.211732087677035,"endHours":13.619540908922872,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"07:59","end":"09:24","startHours":7.988305623939523,"endHours":9.39611444518536,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"10:48","end":"12:13","startHours":10.803923266431198,"endHours":12.211732087677035,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:13","end":"09:35","startHours":9.208406602352582,"endHours":9.583822288018139,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:03","end":"07:21","startHours":7.049766409775631,"endHours":7.3500989583080765,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:50","end":"12:35","startHours":11.836316402011478,"endHours":12.587147773342592,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:05","end":"05:50","startHours":5.078834060031459,"endHours":5.829665431362573,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:39","end":"06:35","startHours":5.641957588529794,"endHours":6.580496802693686,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:05","end":"14:50","startHours":14.088810516004816,"endHours":14.83964188733593,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:39","end":"18:03","startHours":17.642967372660383,"endHours":18.04296737266038,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:51","end":"18:19","startHours":17.842967372660382,"endHours":18.312236979742327,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:36","end":"19:21","startHours":17.592967372660382,"endHours":19.342967372660382,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:50","end":"00:35","startHours":23.83631640201148,"endHours":24.58714777334259,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Labha","start":"06:35","end":"07:59","startHours":6.580496802693686,"endHours":7.988305623939523,"quality":"auspicious"},{"name":"Amṛta","start":"07:59","end":"09:24","startHours":7.988305623939523,"endHours":9.39611444518536,"quality":"auspicious"},{"name":"Kāla","start":"09:24","end":"10:48","startHours":9.39611444518536,"endHours":10.803923266431198,"quality":"inauspicious"},{"name":"Śubha","start":"10:48","end":"12:13","startHours":10.803923266431198,"endHours":12.211732087677035,"quality":"auspicious"},{"name":"Roga","start":"12:13","end":"13:37","startHours":12.211732087677035,"endHours":13.619540908922872,"quality":"inauspicious"},{"name":"Udveg","start":"13:37","end":"15:02","startHours":13.619540908922872,"endHours":15.027349730168709,"quality":"inauspicious"},{"name":"Chala","start":"15:02","end":"16:26","startHours":15.027349730168709,"endHours":16.435158551414546,"quality":"neutral"},{"name":"Labha","start":"16:26","end":"17:51","startHours":16.435158551414546,"endHours":17.842967372660382,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Udveg","start":"17:51","end":"19:26","startHours":17.842967372660382,"endHours":19.435158551414546,"quality":"inauspicious"},{"name":"Chala","start":"19:26","end":"21:02","startHours":19.435158551414546,"endHours":21.02734973016871,"quality":"neutral"},{"name":"Labha","start":"21:02","end":"22:37","startHours":21.02734973016871,"endHours":22.619540908922872,"quality":"auspicious"},{"name":"Amṛta","start":"22:37","end":"00:13","startHours":22.619540908922872,"endHours":24.211732087677035,"quality":"auspicious"},{"name":"Kāla","start":"00:13","end":"01:48","startHours":24.211732087677035,"endHours":25.803923266431198,"quality":"inauspicious"},{"name":"Śubha","start":"01:48","end":"03:24","startHours":25.803923266431198,"endHours":27.39611444518536,"quality":"auspicious"},{"name":"Roga","start":"03:24","end":"04:59","startHours":27.39611444518536,"endHours":28.988305623939524,"quality":"inauspicious"},{"name":"Udveg","start":"04:59","end":"06:35","startHours":28.988305623939524,"endHours":30.580496802693688,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"06:35","end":"07:35","startHours":6.580496802693686,"endHours":7.580496802693686,"planetary_lord":"Mercury"},{"name":"Hora 2","start":"07:35","end":"08:35","startHours":7.580496802693686,"endHours":8.580496802693686,"planetary_lord":"Venus"},{"name":"Hora 3","start":"08:35","end":"09:35","startHours":8.580496802693686,"endHours":9.580496802693686,"planetary_lord":"Sun"},{"name":"Hora 4","start":"09:35","end":"10:35","startHours":9.580496802693686,"endHours":10.580496802693686,"planetary_lord":"Mars"},{"name":"Hora 5","start":"10:35","end":"11:35","startHours":10.580496802693686,"endHours":11.580496802693686,"planetary_lord":"Jupiter"},{"name":"Hora 6","start":"11:35","end":"12:35","startHours":11.580496802693686,"endHours":12.580496802693686,"planetary_lord":"Saturn"},{"name":"Hora 7","start":"12:35","end":"13:35","startHours":12.580496802693686,"endHours":13.580496802693686,"planetary_lord":"Moon"},{"name":"Hora 8","start":"13:35","end":"14:35","startHours":13.580496802693686,"endHours":14.580496802693686,"planetary_lord":"Mercury"},{"name":"Hora 9","start":"14:35","end":"15:35","startHours":14.580496802693686,"endHours":15.580496802693686,"planetary_lord":"Venus"},{"name":"Hora 10","start":"15:35","end":"16:35","startHours":15.580496802693686,"endHours":16.580496802693688,"planetary_lord":"Sun"},{"name":"Hora 11","start":"16:35","end":"17:35","startHours":16.580496802693688,"endHours":17.580496802693688,"planetary_lord":"Mars"},{"name":"Hora 12","start":"17:35","end":"18:35","startHours":17.580496802693688,"endHours":18.580496802693688,"planetary_lord":"Jupiter"},{"name":"Hora 13","start":"18:35","end":"19:35","startHours":18.580496802693688,"endHours":19.580496802693688,"planetary_lord":"Saturn"},{"name":"Hora 14","start":"19:35","end":"20:35","startHours":19.580496802693688,"endHours":20.580496802693688,"planetary_lord":"Moon"},{"name":"Hora 15","start":"20:35","end":"21:35","startHours":20.580496802693688,"endHours":21.580496802693688,"planetary_lord":"Mercury"},{"name":"Hora 16","start":"21:35","end":"22:35","startHours":21.580496802693688,"endHours":22.580496802693688,"planetary_lord":"Venus"},{"name":"Hora 17","start":"22:35","end":"23:35","startHours":22.580496802693688,"endHours":23.580496802693688,"planetary_lord":"Sun"},{"name":"Hora 18","start":"23:35","end":"00:35","startHours":23.580496802693688,"endHours":24.580496802693688,"planetary_lord":"Mars"},{"name":"Hora 19","start":"00:35","end":"01:35","startHours":24.580496802693688,"endHours":25.580496802693688,"planetary_lord":"Jupiter"},{"name":"Hora 20","start":"01:35","end":"02:35","startHours":25.580496802693688,"endHours":26.580496802693688,"planetary_lord":"Saturn"},{"name":"Hora 21","start":"02:35","end":"03:35","startHours":26.580496802693688,"endHours":27.580496802693688,"planetary_lord":"Moon"},{"name":"Hora 22","start":"03:35","end":"04:35","startHours":27.580496802693688,"endHours":28.580496802693688,"planetary_lord":"Mercury"},{"name":"Hora 23","start":"04:35","end":"05:35","startHours":28.580496802693688,"endHours":29.580496802693688,"planetary_lord":"Venus"},{"name":"Hora 24","start":"05:35","end":"06:35","startHours":29.580496802693688,"endHours":30.580496802693688,"planetary_lord":"Sun"}],"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":["Meṣa","Vṛṣabha","Siṃha","Kanyā","Vṛścika","Makara"],"unfavorable_rashis":["Mithuna","Karka","Tulā","Dhanu","Kumbha","Mīna"]},"dishaShool":"North (Uttara)","chandraVasa":"North-East","rahuVasa":"South-West","anandadiYoga":{"name":"Ānanda","quality":"Auspicious"},"drikRitu":"Śiśira (Winter)","vedicRitu":"Śiśira (Winter)","drikAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":-13.42579665306768,"eotMinutes":-14.599525260622107,"ayanamsa":23.6451}},"calendars":{"vikram_samvat":2042,"vikram_samvatsara":"Bahudhānya","saka_samvat":1907,"saka_samvatsara":"Krodhana","bengali_samvat":1392,"malayalam_era":1161,"nanakshahi_year":516,"lunar_month":"Phālguna","lunar_month_paksha_full":"Phālguna Kṛṣṇa Pakṣa","solar_month":"Kumbha (Māsi)","ritu":"Śiśira (Winter)","display_summary":"Phālguna Kṛṣṇa Navamī · Vikram 2042 Bahudhānya · Śaka 1907 Krodhana"},"festivals":[{"id":"kumbha-sankranti","name":"Kumbha Saṅkrānti","name_sanskrit":"कुम्भ सङ्क्रान्ति","tradition":"Pan-Hindu","associated_deity":"Sūrya Bhagavān","significance":"Sun enters Aquarius; Kumbha-māsa begins.","vrata":false,"detection":{"sun_rashi":"Kumbha"},"precedence":5}],"todays_walk":{"walk":{"id":"budha-walk","name":"Budha Walk","name_sanskrit":"बुध यात्रा","type":"graha","description":"Discrimination + BG 2.41 (vyavasāyātmikā buddhi).","step_count":6,"url":"/walk/budha-walk"},"reason":"Budhavāra (Wednesday) — its presiding graha's walk."},"cosmic_resonances":[]},"validity":{"eternal":false,"location_specific":"varanasi"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate + Vidhyamitra Tier-2 layer"},"seo":{"title":"Pañchāṅga February 13, 1985 CE · Vārāṇasī (Kāśī) · Vidhyamitra","description":"February 13, 1985 CE for Vārāṇasī (Kāśī): Kṛṣṇa Navamī, sūryodaya 06:35, sūryāsta 17:51.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/varanasi/1985-02-13","hreflang_alternates":{"en":"https://vidhyamitra.com/city/varanasi/1985-02-13","sa":"https://sa.vidhyamitra.com/city/varanasi/1985-02-13","hi":"https://hi.vidhyamitra.com/city/varanasi/1985-02-13","x-default":"https://vidhyamitra.com/city/varanasi/1985-02-13"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-14T16:02:54.962Z","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":"2026-05-14T16:02:54.962Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-14T16:02:54.962Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}