{"id":"vidhyamitra:city-day:rishikesh:2091-04-12:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/2091-04-12","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2091-04-12","date_display":"April 12, 2091 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":2091,"month":4,"day":12,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2484883.770833,"kali_year":5192,"ahargana":1896418.2708,"sun":{"sidereal_longitude":357.2144,"rashi":12,"rashi_name":"Mīna"},"moon":{"sidereal_longitude":278.8183,"rashi":10,"rashi_name":"Makara"},"tithi":{"number":24,"name":"Navamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Navamī","elongation_degrees":281.6039,"elapsed_within_tithi_degrees":5.6039},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":4,"moon_longitude":278.8183,"elapsed_within_degrees":12.1516},"yoga":{"number":21,"name":"Siddha","sum_longitude":276.0327},"karana":{"half_tithi_index":46,"name":"Taitila"},"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":2091,"month":4,"day":12,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2484883.770833,"ahargana":1896418.2708,"kali_year":5192,"ayanamsa_lahiri":25.1281,"grahas":{"sun":{"sidereal_longitude":357.283724,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":4},"retrograde":false},"moon":{"sidereal_longitude":282.024324,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":1},"retrograde":false,"latitude":2.8797},"mars":{"sidereal_longitude":130.24102400000004,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":4},"retrograde":true},"mercury":{"sidereal_longitude":329.51772400000004,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":265.27762400000006,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":4},"retrograde":false},"venus":{"sidereal_longitude":328.71012399999995,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":55.144924,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":1},"retrograde":false},"rahu":{"sidereal_longitude":138.6338,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":318.6338,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","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":2091,"month":4,"day":12,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2484883.770833,"kali_year":5192,"ahargana":1896418.2708,"sun":{"sidereal_longitude":357.2144,"rashi":12,"rashi_name":"Mīna"},"moon":{"sidereal_longitude":278.8183,"rashi":10,"rashi_name":"Makara"},"tithi":{"number":24,"name":"Navamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Navamī","elongation_degrees":281.6039,"elapsed_within_tithi_degrees":5.6039},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":4,"moon_longitude":278.8183,"elapsed_within_degrees":12.1516},"yoga":{"number":21,"name":"Siddha","sum_longitude":276.0327},"karana":{"half_tithi_index":46,"name":"Taitila"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":2.88,"elongation":78.396},"lunar":{"type":"lunar","occurs":false,"moon_latitude":2.88,"opposition_distance":101.604}},"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":"05:54","sunsetLocal":"18:42","solarNoonLocal":"12:18","dayLengthHours":12.810402523807596,"dayLengthDisplay":"12 Hours 48 Mins 37 Secs","nightLengthDisplay":"11 Hours 11 Mins 23 Secs","moonriseLocal":"01:59","moonsetLocal":"12:35","rahuKala":{"name":"Rāhu Kāla","start":"13:54","end":"15:30","startHours":13.900852001468305,"endHours":15.502152316944255,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"05:54","end":"07:30","startHours":5.8943504240885565,"endHours":7.495650739564506,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"09:06","end":"10:42","startHours":9.096951055040456,"endHours":10.698251370516406,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:53","end":"09:19","startHours":8.883444346310329,"endHours":9.310457763770582,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:26","end":"06:46","startHours":6.428117195913873,"endHours":6.769727929882076,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:52","end":"12:44","startHours":11.872538268532102,"endHours":12.726565103452609,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:11","end":"05:02","startHours":4.186296754247543,"endHours":5.04032358916805,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:50","end":"05:54","startHours":4.8268168804379235,"endHours":5.8943504240885565,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:26","end":"15:17","startHours":14.434618773293622,"endHours":15.288645608214129,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:30","end":"18:54","startHours":18.504752947896154,"endHours":18.904752947896153,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:42","end":"19:14","startHours":18.704752947896154,"endHours":19.23851971972147,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:27","end":"20:12","startHours":18.454752947896154,"endHours":20.204752947896154,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:52","end":"00:44","startHours":23.872538268532104,"endHours":24.726565103452607,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Śubha","start":"05:54","end":"07:30","startHours":5.8943504240885565,"endHours":7.495650739564506,"quality":"auspicious"},{"name":"Roga","start":"07:30","end":"09:06","startHours":7.495650739564506,"endHours":9.096951055040456,"quality":"inauspicious"},{"name":"Udveg","start":"09:06","end":"10:42","startHours":9.096951055040456,"endHours":10.698251370516406,"quality":"inauspicious"},{"name":"Chala","start":"10:42","end":"12:18","startHours":10.698251370516406,"endHours":12.299551685992355,"quality":"neutral"},{"name":"Labha","start":"12:18","end":"13:54","startHours":12.299551685992355,"endHours":13.900852001468305,"quality":"auspicious"},{"name":"Amṛta","start":"13:54","end":"15:30","startHours":13.900852001468305,"endHours":15.502152316944255,"quality":"auspicious"},{"name":"Kāla","start":"15:30","end":"17:06","startHours":15.502152316944255,"endHours":17.103452632420204,"quality":"inauspicious"},{"name":"Śubha","start":"17:06","end":"18:42","startHours":17.103452632420204,"endHours":18.704752947896154,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Amṛta","start":"18:42","end":"20:06","startHours":18.704752947896154,"endHours":20.103452632420204,"quality":"auspicious"},{"name":"Kāla","start":"20:06","end":"21:30","startHours":20.103452632420204,"endHours":21.502152316944255,"quality":"inauspicious"},{"name":"Śubha","start":"21:30","end":"22:54","startHours":21.502152316944255,"endHours":22.900852001468305,"quality":"auspicious"},{"name":"Roga","start":"22:54","end":"00:18","startHours":22.900852001468305,"endHours":24.299551685992355,"quality":"inauspicious"},{"name":"Udveg","start":"00:18","end":"01:42","startHours":24.299551685992355,"endHours":25.698251370516406,"quality":"inauspicious"},{"name":"Chala","start":"01:42","end":"03:06","startHours":25.698251370516406,"endHours":27.096951055040456,"quality":"neutral"},{"name":"Labha","start":"03:06","end":"04:30","startHours":27.096951055040456,"endHours":28.495650739564507,"quality":"auspicious"},{"name":"Amṛta","start":"04:30","end":"05:54","startHours":28.495650739564507,"endHours":29.894350424088557,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"05:54","end":"06:54","startHours":5.8943504240885565,"endHours":6.8943504240885565,"planetary_lord":"Jupiter"},{"name":"Hora 2","start":"06:54","end":"07:54","startHours":6.8943504240885565,"endHours":7.8943504240885565,"planetary_lord":"Saturn"},{"name":"Hora 3","start":"07:54","end":"08:54","startHours":7.8943504240885565,"endHours":8.894350424088557,"planetary_lord":"Moon"},{"name":"Hora 4","start":"08:54","end":"09:54","startHours":8.894350424088557,"endHours":9.894350424088557,"planetary_lord":"Mercury"},{"name":"Hora 5","start":"09:54","end":"10:54","startHours":9.894350424088557,"endHours":10.894350424088557,"planetary_lord":"Venus"},{"name":"Hora 6","start":"10:54","end":"11:54","startHours":10.894350424088557,"endHours":11.894350424088557,"planetary_lord":"Sun"},{"name":"Hora 7","start":"11:54","end":"12:54","startHours":11.894350424088557,"endHours":12.894350424088557,"planetary_lord":"Mars"},{"name":"Hora 8","start":"12:54","end":"13:54","startHours":12.894350424088557,"endHours":13.894350424088557,"planetary_lord":"Jupiter"},{"name":"Hora 9","start":"13:54","end":"14:54","startHours":13.894350424088557,"endHours":14.894350424088557,"planetary_lord":"Saturn"},{"name":"Hora 10","start":"14:54","end":"15:54","startHours":14.894350424088557,"endHours":15.894350424088557,"planetary_lord":"Moon"},{"name":"Hora 11","start":"15:54","end":"16:54","startHours":15.894350424088557,"endHours":16.894350424088557,"planetary_lord":"Mercury"},{"name":"Hora 12","start":"16:54","end":"17:54","startHours":16.894350424088557,"endHours":17.894350424088557,"planetary_lord":"Venus"},{"name":"Hora 13","start":"17:54","end":"18:54","startHours":17.894350424088557,"endHours":18.894350424088557,"planetary_lord":"Sun"},{"name":"Hora 14","start":"18:54","end":"19:54","startHours":18.894350424088557,"endHours":19.894350424088557,"planetary_lord":"Mars"},{"name":"Hora 15","start":"19:54","end":"20:54","startHours":19.894350424088557,"endHours":20.894350424088557,"planetary_lord":"Jupiter"},{"name":"Hora 16","start":"20:54","end":"21:54","startHours":20.894350424088557,"endHours":21.894350424088557,"planetary_lord":"Saturn"},{"name":"Hora 17","start":"21:54","end":"22:54","startHours":21.894350424088557,"endHours":22.894350424088557,"planetary_lord":"Moon"},{"name":"Hora 18","start":"22:54","end":"23:54","startHours":22.894350424088557,"endHours":23.894350424088557,"planetary_lord":"Mercury"},{"name":"Hora 19","start":"23:54","end":"00:54","startHours":23.894350424088557,"endHours":24.894350424088557,"planetary_lord":"Venus"},{"name":"Hora 20","start":"00:54","end":"01:54","startHours":24.894350424088557,"endHours":25.894350424088557,"planetary_lord":"Sun"},{"name":"Hora 21","start":"01:54","end":"02:54","startHours":25.894350424088557,"endHours":26.894350424088557,"planetary_lord":"Mars"},{"name":"Hora 22","start":"02:54","end":"03:54","startHours":26.894350424088557,"endHours":27.894350424088557,"planetary_lord":"Jupiter"},{"name":"Hora 23","start":"03:54","end":"04:54","startHours":27.894350424088557,"endHours":28.894350424088557,"planetary_lord":"Saturn"},{"name":"Hora 24","start":"04:54","end":"05:54","startHours":28.894350424088557,"endHours":29.894350424088557,"planetary_lord":"Moon"}],"taraBala":{"favorable_nakshatras":["Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Hasta","Citrā","Svātī","Viśākhā","Anurādhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Mithuna","Karka","Tulā","Vṛścika","Makara","Mīna"],"unfavorable_rashis":["Meṣa","Vṛṣabha","Siṃha","Kanyā","Dhanu","Kumbha"]},"dishaShool":"South (Dakṣiṇa)","chandraVasa":"South-East","rahuVasa":"North-West","anandadiYoga":{"name":"Vajra","quality":"Inauspicious"},"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":8.72197553200897,"eotMinutes":-1.043501159541278,"ayanamsa":25.1281}},"calendars":{"vikram_samvat":2148,"vikram_samvatsara":"Raktākṣī","saka_samvat":2013,"saka_samvatsara":"Virodhakṛt","bengali_samvat":1498,"malayalam_era":1267,"nanakshahi_year":622,"lunar_month":"Caitra","lunar_month_paksha_full":"Caitra Kṛṣṇa Pakṣa","solar_month":"Mīna (Paṅkuṇi)","ritu":"Vasanta (Spring)","display_summary":"Caitra Kṛṣṇa Navamī · Vikram 2148 Raktākṣī · Śaka 2013 Virodhakṛt"},"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":"rishikesh"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate + Vidhyamitra Tier-2 layer"},"seo":{"title":"Pañchāṅga April 12, 2091 CE · Ṛṣikeśa · Vidhyamitra","description":"April 12, 2091 CE for Ṛṣikeśa: Kṛṣṇa Navamī, sūryodaya 05:54, sūryāsta 18:42.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/2091-04-12","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/2091-04-12","sa":"https://sa.vidhyamitra.com/city/rishikesh/2091-04-12","hi":"https://hi.vidhyamitra.com/city/rishikesh/2091-04-12","x-default":"https://vidhyamitra.com/city/rishikesh/2091-04-12"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-19T23:27:40.697Z","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":"2026-05-19T23:27:40.697Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-19T23:27:40.697Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}