{"id":"vidhyamitra:city-day:rishikesh:2105-04-01:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/2105-04-01","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2105-04-01","date_display":"April 1, 2105 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":2105,"month":4,"day":1,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2489985.770833,"kali_year":5206,"ahargana":1901520.2708,"sun":{"sidereal_longitude":345.7962,"rashi":12,"rashi_name":"Mīna"},"moon":{"sidereal_longitude":184.5094,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":17,"name":"Dvitīyā","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Dvitīyā","elongation_degrees":198.7133,"elapsed_within_tithi_degrees":6.7133},"nakshatra":{"number":14,"name":"Citrā","pada":4,"moon_longitude":184.5094,"elapsed_within_degrees":11.1761},"yoga":{"number":13,"name":"Vyāghāta","sum_longitude":170.3056},"karana":{"half_tithi_index":33,"name":"Gara"},"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":2105,"month":4,"day":1,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2489985.770833,"ahargana":1901520.2708,"kali_year":5206,"ayanamsa_lahiri":25.3232,"grahas":{"sun":{"sidereal_longitude":345.87049,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":4},"retrograde":false},"moon":{"sidereal_longitude":182.18418999999994,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":3},"retrograde":false,"latitude":-3.1127},"mars":{"sidereal_longitude":327.20669,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":316.76689,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":324.97649,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":2},"retrograde":false},"venus":{"sidereal_longitude":306.91248999999993,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":238.50459,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":4},"retrograde":true},"rahu":{"sidereal_longitude":228.3053,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":48.3053,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":3},"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":2105,"month":4,"day":1,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2489985.770833,"kali_year":5206,"ahargana":1901520.2708,"sun":{"sidereal_longitude":345.7962,"rashi":12,"rashi_name":"Mīna"},"moon":{"sidereal_longitude":184.5094,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":17,"name":"Dvitīyā","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Dvitīyā","elongation_degrees":198.7133,"elapsed_within_tithi_degrees":6.7133},"nakshatra":{"number":14,"name":"Citrā","pada":4,"moon_longitude":184.5094,"elapsed_within_degrees":11.1761},"yoga":{"number":13,"name":"Vyāghāta","sum_longitude":170.3056},"karana":{"half_tithi_index":33,"name":"Gara"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-3.113,"elongation":161.287},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-3.113,"opposition_distance":18.713}},"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":"06:07","sunsetLocal":"18:35","solarNoonLocal":"12:21","dayLengthHours":12.471804339352914,"dayLengthDisplay":"12 Hours 28 Mins 18 Secs","nightLengthDisplay":"11 Hours 31 Mins 42 Secs","moonriseLocal":"19:49","moonsetLocal":"07:04","rahuKala":{"name":"Rāhu Kāla","start":"12:21","end":"13:55","startHours":12.35456493501919,"endHours":13.913540477438307,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"07:41","end":"09:14","startHours":7.677638307761849,"endHours":9.236613850180962,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"10:48","end":"12:21","startHours":10.795589392600078,"endHours":12.35456493501919,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:02","end":"09:27","startHours":9.02875044452508,"endHours":9.444477255836844,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:38","end":"06:58","startHours":6.638321279482439,"endHours":6.970902728531851,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:56","end":"12:46","startHours":11.938838123707427,"endHours":12.770291746330955,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:27","end":"05:17","startHours":4.455755520095679,"endHours":5.287209142719207,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:05","end":"06:07","startHours":5.079345737063325,"endHours":6.118662765342735,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:26","end":"15:16","startHours":14.43319899157801,"endHours":15.264652614201538,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:23","end":"18:47","startHours":18.39046710469565,"endHours":18.790467104695647,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:35","end":"19:07","startHours":18.590467104695648,"endHours":19.110125618835355,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:20","end":"20:05","startHours":18.340467104695648,"endHours":20.090467104695648,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:56","end":"00:46","startHours":23.938838123707427,"endHours":24.770291746330955,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Labha","start":"06:07","end":"07:41","startHours":6.118662765342735,"endHours":7.677638307761849,"quality":"auspicious"},{"name":"Amṛta","start":"07:41","end":"09:14","startHours":7.677638307761849,"endHours":9.236613850180962,"quality":"auspicious"},{"name":"Kāla","start":"09:14","end":"10:48","startHours":9.236613850180962,"endHours":10.795589392600078,"quality":"inauspicious"},{"name":"Śubha","start":"10:48","end":"12:21","startHours":10.795589392600078,"endHours":12.35456493501919,"quality":"auspicious"},{"name":"Roga","start":"12:21","end":"13:55","startHours":12.35456493501919,"endHours":13.913540477438307,"quality":"inauspicious"},{"name":"Udveg","start":"13:55","end":"15:28","startHours":13.913540477438307,"endHours":15.47251601985742,"quality":"inauspicious"},{"name":"Chala","start":"15:28","end":"17:02","startHours":15.47251601985742,"endHours":17.031491562276535,"quality":"neutral"},{"name":"Labha","start":"17:02","end":"18:35","startHours":17.031491562276535,"endHours":18.590467104695648,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Udveg","start":"18:35","end":"20:02","startHours":18.590467104695648,"endHours":20.031491562276535,"quality":"inauspicious"},{"name":"Chala","start":"20:02","end":"21:28","startHours":20.031491562276535,"endHours":21.47251601985742,"quality":"neutral"},{"name":"Labha","start":"21:28","end":"22:55","startHours":21.47251601985742,"endHours":22.913540477438303,"quality":"auspicious"},{"name":"Amṛta","start":"22:55","end":"00:21","startHours":22.913540477438303,"endHours":24.35456493501919,"quality":"auspicious"},{"name":"Kāla","start":"00:21","end":"01:48","startHours":24.35456493501919,"endHours":25.79558939260008,"quality":"inauspicious"},{"name":"Śubha","start":"01:48","end":"03:14","startHours":25.79558939260008,"endHours":27.236613850180962,"quality":"auspicious"},{"name":"Roga","start":"03:14","end":"04:41","startHours":27.236613850180962,"endHours":28.677638307761846,"quality":"inauspicious"},{"name":"Udveg","start":"04:41","end":"06:07","startHours":28.677638307761846,"endHours":30.118662765342734,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"06:07","end":"07:07","startHours":6.118662765342735,"endHours":7.118662765342735,"planetary_lord":"Mercury"},{"name":"Hora 2","start":"07:07","end":"08:07","startHours":7.118662765342735,"endHours":8.118662765342734,"planetary_lord":"Venus"},{"name":"Hora 3","start":"08:07","end":"09:07","startHours":8.118662765342734,"endHours":9.118662765342734,"planetary_lord":"Sun"},{"name":"Hora 4","start":"09:07","end":"10:07","startHours":9.118662765342734,"endHours":10.118662765342734,"planetary_lord":"Mars"},{"name":"Hora 5","start":"10:07","end":"11:07","startHours":10.118662765342734,"endHours":11.118662765342734,"planetary_lord":"Jupiter"},{"name":"Hora 6","start":"11:07","end":"12:07","startHours":11.118662765342734,"endHours":12.118662765342734,"planetary_lord":"Saturn"},{"name":"Hora 7","start":"12:07","end":"13:07","startHours":12.118662765342734,"endHours":13.118662765342734,"planetary_lord":"Moon"},{"name":"Hora 8","start":"13:07","end":"14:07","startHours":13.118662765342734,"endHours":14.118662765342734,"planetary_lord":"Mercury"},{"name":"Hora 9","start":"14:07","end":"15:07","startHours":14.118662765342734,"endHours":15.118662765342734,"planetary_lord":"Venus"},{"name":"Hora 10","start":"15:07","end":"16:07","startHours":15.118662765342734,"endHours":16.118662765342734,"planetary_lord":"Sun"},{"name":"Hora 11","start":"16:07","end":"17:07","startHours":16.118662765342734,"endHours":17.118662765342734,"planetary_lord":"Mars"},{"name":"Hora 12","start":"17:07","end":"18:07","startHours":17.118662765342734,"endHours":18.118662765342734,"planetary_lord":"Jupiter"},{"name":"Hora 13","start":"18:07","end":"19:07","startHours":18.118662765342734,"endHours":19.118662765342734,"planetary_lord":"Saturn"},{"name":"Hora 14","start":"19:07","end":"20:07","startHours":19.118662765342734,"endHours":20.118662765342734,"planetary_lord":"Moon"},{"name":"Hora 15","start":"20:07","end":"21:07","startHours":20.118662765342734,"endHours":21.118662765342734,"planetary_lord":"Mercury"},{"name":"Hora 16","start":"21:07","end":"22:07","startHours":21.118662765342734,"endHours":22.118662765342734,"planetary_lord":"Venus"},{"name":"Hora 17","start":"22:07","end":"23:07","startHours":22.118662765342734,"endHours":23.118662765342734,"planetary_lord":"Sun"},{"name":"Hora 18","start":"23:07","end":"00:07","startHours":23.118662765342734,"endHours":24.118662765342734,"planetary_lord":"Mars"},{"name":"Hora 19","start":"00:07","end":"01:07","startHours":24.118662765342734,"endHours":25.118662765342734,"planetary_lord":"Jupiter"},{"name":"Hora 20","start":"01:07","end":"02:07","startHours":25.118662765342734,"endHours":26.118662765342734,"planetary_lord":"Saturn"},{"name":"Hora 21","start":"02:07","end":"03:07","startHours":26.118662765342734,"endHours":27.118662765342734,"planetary_lord":"Moon"},{"name":"Hora 22","start":"03:07","end":"04:07","startHours":27.118662765342734,"endHours":28.118662765342734,"planetary_lord":"Mercury"},{"name":"Hora 23","start":"04:07","end":"05:07","startHours":28.118662765342734,"endHours":29.118662765342734,"planetary_lord":"Venus"},{"name":"Hora 24","start":"05:07","end":"06:07","startHours":29.118662765342734,"endHours":30.118662765342734,"planetary_lord":"Sun"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Ārdrā","Punarvasu","Puṣya","Aśleṣā","Maghā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Karka","Siṃha","Tulā","Dhanu","Mīna"],"unfavorable_rashis":["Vṛṣabha","Mithuna","Kanyā","Vṛścika","Makara","Kumbha"]},"dishaShool":"North (Uttara)","chandraVasa":"North","rahuVasa":"South-West","anandadiYoga":{"name":"Cara","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":4.428233723580828,"eotMinutes":-4.344296101151456,"ayanamsa":25.3232}},"calendars":{"vikram_samvat":2162,"vikram_samvatsara":"Bahudhānya","saka_samvat":2027,"saka_samvatsara":"Krodhana","bengali_samvat":1512,"malayalam_era":1281,"nanakshahi_year":636,"lunar_month":"Caitra","lunar_month_paksha_full":"Caitra Kṛṣṇa Pakṣa","solar_month":"Mīna (Paṅkuṇi)","ritu":"Vasanta (Spring)","display_summary":"Caitra Kṛṣṇa Dvitīyā · Vikram 2162 Bahudhānya · Śaka 2027 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":"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":"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 1, 2105 CE · Ṛṣikeśa · Vidhyamitra","description":"April 1, 2105 CE for Ṛṣikeśa: Kṛṣṇa Dvitīyā, sūryodaya 06:07, sūryāsta 18:35.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/2105-04-01","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/2105-04-01","sa":"https://sa.vidhyamitra.com/city/rishikesh/2105-04-01","hi":"https://hi.vidhyamitra.com/city/rishikesh/2105-04-01","x-default":"https://vidhyamitra.com/city/rishikesh/2105-04-01"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-21T06:21:57.866Z","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":"2026-05-21T06:21:57.866Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-21T06:21:57.866Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}