{"id":"vidhyamitra:city-day:rishikesh:2103-04-07:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/2103-04-07","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2103-04-07","date_display":"April 7, 2103 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":2103,"month":4,"day":7,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2489260.770833,"kali_year":5204,"ahargana":1900795.2708,"sun":{"sidereal_longitude":351.2283,"rashi":12,"rashi_name":"Mīna"},"moon":{"sidereal_longitude":352.6342,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":1,"name":"Pratipada","paksha":"Śukla","full_name":"Śukla Pratipada","elongation_degrees":1.4059,"elapsed_within_tithi_degrees":1.4059},"nakshatra":{"number":27,"name":"Revatī","pada":2,"moon_longitude":352.6342,"elapsed_within_degrees":5.9675},"yoga":{"number":26,"name":"Indra","sum_longitude":343.8625},"karana":{"half_tithi_index":0,"name":"Kiṃstughna"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"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":2103,"month":4,"day":7,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2489260.770833,"ahargana":1900795.2708,"kali_year":5204,"ayanamsa_lahiri":25.2955,"grahas":{"sun":{"sidereal_longitude":351.309391,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":2},"retrograde":false},"moon":{"sidereal_longitude":351.403091,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":2},"retrograde":false,"latitude":4.4885},"mars":{"sidereal_longitude":315.096491,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":358.772391,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":4},"retrograde":true},"jupiter":{"sidereal_longitude":268.98979099999997,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":1},"retrograde":false},"venus":{"sidereal_longitude":32.17589099999998,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":215.056291,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":1},"retrograde":true},"rahu":{"sidereal_longitude":266.7193,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":86.7193,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","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":2103,"month":4,"day":7,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2489260.770833,"kali_year":5204,"ahargana":1900795.2708,"sun":{"sidereal_longitude":351.2283,"rashi":12,"rashi_name":"Mīna"},"moon":{"sidereal_longitude":352.6342,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":1,"name":"Pratipada","paksha":"Śukla","full_name":"Śukla Pratipada","elongation_degrees":1.4059,"elapsed_within_tithi_degrees":1.4059},"nakshatra":{"number":27,"name":"Revatī","pada":2,"moon_longitude":352.6342,"elapsed_within_degrees":5.9675},"yoga":{"number":26,"name":"Indra","sum_longitude":343.8625},"karana":{"half_tithi_index":0,"name":"Kiṃstughna"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":4.489,"elongation":1.406},"lunar":{"type":"lunar","occurs":false,"moon_latitude":4.489,"opposition_distance":178.594}},"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":"06:00","sunsetLocal":"18:39","solarNoonLocal":"12:19","dayLengthHours":12.636280817749729,"dayLengthDisplay":"12 Hours 38 Mins 11 Secs","nightLengthDisplay":"11 Hours 21 Mins 49 Secs","moonriseLocal":"06:02","moonsetLocal":"18:38","rahuKala":{"name":"Rāhu Kāla","start":"09:10","end":"10:45","startHours":9.164556671309786,"endHours":10.7440917735285,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"13:54","end":"15:29","startHours":13.903161977965933,"endHours":15.48269708018465,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"06:00","end":"07:35","startHours":6.005486466872353,"endHours":7.585021569091069,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:57","end":"09:23","startHours":8.953951991013955,"endHours":9.375161351605614,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:32","end":"06:52","startHours":6.531998167611925,"endHours":6.868965656085251,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:54","end":"12:45","startHours":11.902417515155559,"endHours":12.744836236338873,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:19","end":"05:10","startHours":4.320649024505722,"endHours":5.1630677456890375,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:57","end":"06:00","startHours":4.952463065393209,"endHours":6.005486466872353,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:26","end":"15:16","startHours":14.429673678705505,"endHours":15.272092399888821,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:27","end":"18:51","startHours":18.44176728462208,"endHours":18.84176728462208,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:39","end":"19:10","startHours":18.64176728462208,"endHours":19.168278985361653,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:24","end":"20:09","startHours":18.39176728462208,"endHours":20.14176728462208,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:54","end":"00:45","startHours":23.90241751515556,"endHours":24.744836236338873,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Kāla","start":"06:00","end":"07:35","startHours":6.005486466872353,"endHours":7.585021569091069,"quality":"inauspicious"},{"name":"Śubha","start":"07:35","end":"09:10","startHours":7.585021569091069,"endHours":9.164556671309786,"quality":"auspicious"},{"name":"Roga","start":"09:10","end":"10:45","startHours":9.164556671309786,"endHours":10.7440917735285,"quality":"inauspicious"},{"name":"Udveg","start":"10:45","end":"12:19","startHours":10.7440917735285,"endHours":12.323626875747216,"quality":"inauspicious"},{"name":"Chala","start":"12:19","end":"13:54","startHours":12.323626875747216,"endHours":13.903161977965933,"quality":"neutral"},{"name":"Labha","start":"13:54","end":"15:29","startHours":13.903161977965933,"endHours":15.48269708018465,"quality":"auspicious"},{"name":"Amṛta","start":"15:29","end":"17:04","startHours":15.48269708018465,"endHours":17.062232182403363,"quality":"auspicious"},{"name":"Kāla","start":"17:04","end":"18:39","startHours":17.062232182403363,"endHours":18.64176728462208,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Labha","start":"18:39","end":"20:04","startHours":18.64176728462208,"endHours":20.062232182403363,"quality":"auspicious"},{"name":"Amṛta","start":"20:04","end":"21:29","startHours":20.062232182403363,"endHours":21.48269708018465,"quality":"auspicious"},{"name":"Kāla","start":"21:29","end":"22:54","startHours":21.48269708018465,"endHours":22.903161977965933,"quality":"inauspicious"},{"name":"Śubha","start":"22:54","end":"00:19","startHours":22.903161977965933,"endHours":24.323626875747216,"quality":"auspicious"},{"name":"Roga","start":"00:19","end":"01:45","startHours":24.323626875747216,"endHours":25.7440917735285,"quality":"inauspicious"},{"name":"Udveg","start":"01:45","end":"03:10","startHours":25.7440917735285,"endHours":27.164556671309782,"quality":"inauspicious"},{"name":"Chala","start":"03:10","end":"04:35","startHours":27.164556671309782,"endHours":28.58502156909107,"quality":"neutral"},{"name":"Labha","start":"04:35","end":"06:00","startHours":28.58502156909107,"endHours":30.00548646687235,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:00","end":"07:00","startHours":6.005486466872353,"endHours":7.005486466872353,"planetary_lord":"Saturn"},{"name":"Hora 2","start":"07:00","end":"08:00","startHours":7.005486466872353,"endHours":8.005486466872352,"planetary_lord":"Moon"},{"name":"Hora 3","start":"08:00","end":"09:00","startHours":8.005486466872352,"endHours":9.005486466872352,"planetary_lord":"Mercury"},{"name":"Hora 4","start":"09:00","end":"10:00","startHours":9.005486466872352,"endHours":10.005486466872352,"planetary_lord":"Venus"},{"name":"Hora 5","start":"10:00","end":"11:00","startHours":10.005486466872352,"endHours":11.005486466872352,"planetary_lord":"Sun"},{"name":"Hora 6","start":"11:00","end":"12:00","startHours":11.005486466872352,"endHours":12.005486466872352,"planetary_lord":"Mars"},{"name":"Hora 7","start":"12:00","end":"13:00","startHours":12.005486466872352,"endHours":13.005486466872352,"planetary_lord":"Jupiter"},{"name":"Hora 8","start":"13:00","end":"14:00","startHours":13.005486466872352,"endHours":14.005486466872352,"planetary_lord":"Saturn"},{"name":"Hora 9","start":"14:00","end":"15:00","startHours":14.005486466872352,"endHours":15.005486466872352,"planetary_lord":"Moon"},{"name":"Hora 10","start":"15:00","end":"16:00","startHours":15.005486466872352,"endHours":16.00548646687235,"planetary_lord":"Mercury"},{"name":"Hora 11","start":"16:00","end":"17:00","startHours":16.00548646687235,"endHours":17.00548646687235,"planetary_lord":"Venus"},{"name":"Hora 12","start":"17:00","end":"18:00","startHours":17.00548646687235,"endHours":18.00548646687235,"planetary_lord":"Sun"},{"name":"Hora 13","start":"18:00","end":"19:00","startHours":18.00548646687235,"endHours":19.00548646687235,"planetary_lord":"Mars"},{"name":"Hora 14","start":"19:00","end":"20:00","startHours":19.00548646687235,"endHours":20.00548646687235,"planetary_lord":"Jupiter"},{"name":"Hora 15","start":"20:00","end":"21:00","startHours":20.00548646687235,"endHours":21.00548646687235,"planetary_lord":"Saturn"},{"name":"Hora 16","start":"21:00","end":"22:00","startHours":21.00548646687235,"endHours":22.00548646687235,"planetary_lord":"Moon"},{"name":"Hora 17","start":"22:00","end":"23:00","startHours":22.00548646687235,"endHours":23.00548646687235,"planetary_lord":"Mercury"},{"name":"Hora 18","start":"23:00","end":"00:00","startHours":23.00548646687235,"endHours":24.00548646687235,"planetary_lord":"Venus"},{"name":"Hora 19","start":"00:00","end":"01:00","startHours":24.00548646687235,"endHours":25.00548646687235,"planetary_lord":"Sun"},{"name":"Hora 20","start":"01:00","end":"02:00","startHours":25.00548646687235,"endHours":26.00548646687235,"planetary_lord":"Mars"},{"name":"Hora 21","start":"02:00","end":"03:00","startHours":26.00548646687235,"endHours":27.00548646687235,"planetary_lord":"Jupiter"},{"name":"Hora 22","start":"03:00","end":"04:00","startHours":27.00548646687235,"endHours":28.00548646687235,"planetary_lord":"Saturn"},{"name":"Hora 23","start":"04:00","end":"05:00","startHours":28.00548646687235,"endHours":29.00548646687235,"planetary_lord":"Moon"},{"name":"Hora 24","start":"05:00","end":"06:00","startHours":29.00548646687235,"endHours":30.00548646687235,"planetary_lord":"Mercury"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā"],"unfavorable_nakshatras":["Ārdrā","Punarvasu","Puṣya","Aśleṣā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Vṛṣabha","Siṃha","Kanyā","Dhanu","Makara","Mīna"],"unfavorable_rashis":["Meṣa","Mithuna","Karka","Tulā","Vṛścika","Kumbha"]},"dishaShool":"East (Pūrva)","chandraVasa":"South-West","rahuVasa":"East","anandadiYoga":{"name":"Gada","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":6.526346212837904,"eotMinutes":-2.4880125448329173,"ayanamsa":25.2955}},"calendars":{"vikram_samvat":2160,"vikram_samvatsara":"Dhātṛ","saka_samvat":2025,"saka_samvatsara":"Rudhirodgāri","bengali_samvat":1510,"malayalam_era":1279,"nanakshahi_year":634,"lunar_month":"Caitra","lunar_month_paksha_full":"Caitra Śukla Pakṣa","solar_month":"Mīna (Paṅkuṇi)","ritu":"Vasanta (Spring)","display_summary":"Caitra Śukla Pratipada · Vikram 2160 Dhātṛ · Śaka 2025 Rudhirodgāri"},"festivals":[{"id":"chaitra-navratri-start","name":"Caitra Navrātri Start (Gudhi Padwā)","name_sanskrit":"चैत्र नवरात्रि आरम्भ","tradition":"Shakta","associated_deity":"Devī Durgā (9 forms over 9 nights)","significance":"Spring Navrātri begins; Vasanta-pakṣa Devī worship. Maharashtra: Gudhi Padwā. South: Ugadi. Sindhi: Cheti Chand.","vrata":true,"detection":{"tithi_number":1,"tithi_paksha":"Śukla","lunar_month":"Caitra"},"precedence":1},{"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":"shani-walk","name":"Śani Walk","name_sanskrit":"शनि यात्रा","type":"graha","description":"Tapas + endurance + BG 17.14-19.","step_count":7,"url":"/walk/shani-walk"},"reason":"Śanivāra (Saturday) — 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 7, 2103 CE · Ṛṣikeśa · Vidhyamitra","description":"April 7, 2103 CE for Ṛṣikeśa: Śukla Pratipada, sūryodaya 06:00, sūryāsta 18:39.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/2103-04-07","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/2103-04-07","sa":"https://sa.vidhyamitra.com/city/rishikesh/2103-04-07","hi":"https://hi.vidhyamitra.com/city/rishikesh/2103-04-07","x-default":"https://vidhyamitra.com/city/rishikesh/2103-04-07"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-21T09:52:21.849Z","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":"2026-05-21T09:52:21.849Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-21T09:52:21.849Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}