{"id":"vidhyamitra:city-day:rishikesh:1901-04-09:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/1901-04-09","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1901-04-09","date_display":"April 9, 1901 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":1901,"month":4,"day":9,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2415483.770833,"kali_year":5002,"ahargana":1827018.2708,"sun":{"sidereal_longitude":356.3959,"rashi":12,"rashi_name":"Mīna"},"moon":{"sidereal_longitude":234.4454,"rashi":8,"rashi_name":"Vṛścika"},"tithi":{"number":20,"name":"Pañcamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Pañcamī","elongation_degrees":238.0494,"elapsed_within_tithi_degrees":10.0494},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":3,"moon_longitude":234.4454,"elapsed_within_degrees":7.7787},"yoga":{"number":18,"name":"Varīyān","sum_longitude":230.8413},"karana":{"half_tithi_index":39,"name":"Taitila"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"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":1901,"month":4,"day":9,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2415483.770833,"ahargana":1827018.2708,"kali_year":5002,"ayanamsa_lahiri":22.4738,"grahas":{"sun":{"sidereal_longitude":356.020114,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":3},"retrograde":false},"moon":{"sidereal_longitude":230.23121400000002,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":2},"retrograde":false,"latitude":1.4389},"mars":{"sidereal_longitude":122.088414,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":1},"retrograde":true},"mercury":{"sidereal_longitude":330.168314,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":261.28361399999994,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":3},"retrograde":false},"venus":{"sidereal_longitude":351.677214,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":264.922514,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":4},"retrograde":false},"rahu":{"sidereal_longitude":215.7798,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":35.7798,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","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":1901,"month":4,"day":9,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2415483.770833,"kali_year":5002,"ahargana":1827018.2708,"sun":{"sidereal_longitude":356.3959,"rashi":12,"rashi_name":"Mīna"},"moon":{"sidereal_longitude":234.4454,"rashi":8,"rashi_name":"Vṛścika"},"tithi":{"number":20,"name":"Pañcamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Pañcamī","elongation_degrees":238.0494,"elapsed_within_tithi_degrees":10.0494},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":3,"moon_longitude":234.4454,"elapsed_within_degrees":7.7787},"yoga":{"number":18,"name":"Varīyān","sum_longitude":230.8413},"karana":{"half_tithi_index":39,"name":"Taitila"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":1.439,"elongation":121.951},"lunar":{"type":"lunar","occurs":false,"moon_latitude":1.439,"opposition_distance":58.049}},"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":"05:58","sunsetLocal":"18:40","solarNoonLocal":"12:19","dayLengthHours":12.693245664879015,"dayLengthDisplay":"12 Hours 41 Mins 36 Secs","nightLengthDisplay":"11 Hours 18 Mins 24 Secs","moonriseLocal":"22:48","moonsetLocal":"09:04","rahuKala":{"name":"Rāhu Kāla","start":"15:29","end":"17:04","startHours":15.487076187607176,"endHours":17.073731895717053,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"09:08","end":"10:44","startHours":9.140453355167669,"endHours":10.727109063277545,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"12:19","end":"13:54","startHours":12.313764771387422,"endHours":13.9004204794973,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:56","end":"09:21","startHours":8.928899260753017,"endHours":9.352007449582318,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:30","end":"06:50","startHours":6.4960271749845395,"endHours":6.83451372604798,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:53","end":"12:44","startHours":11.890656582558123,"endHours":12.736872960216722,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:16","end":"05:07","startHours":4.274709183630712,"endHours":5.1209255612893125,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:55","end":"05:58","startHours":4.909371466874663,"endHours":5.967141938947914,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:26","end":"15:17","startHours":14.429305715533925,"endHours":15.275522093192526,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:28","end":"18:52","startHours":18.46038760382693,"endHours":18.86038760382693,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:40","end":"19:11","startHours":18.66038760382693,"endHours":19.189272839863555,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:25","end":"20:10","startHours":18.41038760382693,"endHours":20.16038760382693,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:53","end":"00:44","startHours":23.890656582558123,"endHours":24.736872960216722,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Roga","start":"05:58","end":"07:33","startHours":5.967141938947914,"endHours":7.553797647057791,"quality":"inauspicious"},{"name":"Udveg","start":"07:33","end":"09:08","startHours":7.553797647057791,"endHours":9.140453355167669,"quality":"inauspicious"},{"name":"Chala","start":"09:08","end":"10:44","startHours":9.140453355167669,"endHours":10.727109063277545,"quality":"neutral"},{"name":"Labha","start":"10:44","end":"12:19","startHours":10.727109063277545,"endHours":12.313764771387422,"quality":"auspicious"},{"name":"Amṛta","start":"12:19","end":"13:54","startHours":12.313764771387422,"endHours":13.9004204794973,"quality":"auspicious"},{"name":"Kāla","start":"13:54","end":"15:29","startHours":13.9004204794973,"endHours":15.487076187607176,"quality":"inauspicious"},{"name":"Śubha","start":"15:29","end":"17:04","startHours":15.487076187607176,"endHours":17.073731895717053,"quality":"auspicious"},{"name":"Roga","start":"17:04","end":"18:40","startHours":17.073731895717053,"endHours":18.66038760382693,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Kāla","start":"18:40","end":"20:04","startHours":18.66038760382693,"endHours":20.073731895717053,"quality":"inauspicious"},{"name":"Śubha","start":"20:04","end":"21:29","startHours":20.073731895717053,"endHours":21.487076187607176,"quality":"auspicious"},{"name":"Roga","start":"21:29","end":"22:54","startHours":21.487076187607176,"endHours":22.9004204794973,"quality":"inauspicious"},{"name":"Udveg","start":"22:54","end":"00:19","startHours":22.9004204794973,"endHours":24.313764771387422,"quality":"inauspicious"},{"name":"Chala","start":"00:19","end":"01:44","startHours":24.313764771387422,"endHours":25.727109063277545,"quality":"neutral"},{"name":"Labha","start":"01:44","end":"03:08","startHours":25.727109063277545,"endHours":27.14045335516767,"quality":"auspicious"},{"name":"Amṛta","start":"03:08","end":"04:33","startHours":27.14045335516767,"endHours":28.55379764705779,"quality":"auspicious"},{"name":"Kāla","start":"04:33","end":"05:58","startHours":28.55379764705779,"endHours":29.967141938947915,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"05:58","end":"06:58","startHours":5.967141938947914,"endHours":6.967141938947914,"planetary_lord":"Mars"},{"name":"Hora 2","start":"06:58","end":"07:58","startHours":6.967141938947914,"endHours":7.967141938947914,"planetary_lord":"Jupiter"},{"name":"Hora 3","start":"07:58","end":"08:58","startHours":7.967141938947914,"endHours":8.967141938947915,"planetary_lord":"Saturn"},{"name":"Hora 4","start":"08:58","end":"09:58","startHours":8.967141938947915,"endHours":9.967141938947915,"planetary_lord":"Moon"},{"name":"Hora 5","start":"09:58","end":"10:58","startHours":9.967141938947915,"endHours":10.967141938947915,"planetary_lord":"Mercury"},{"name":"Hora 6","start":"10:58","end":"11:58","startHours":10.967141938947915,"endHours":11.967141938947915,"planetary_lord":"Venus"},{"name":"Hora 7","start":"11:58","end":"12:58","startHours":11.967141938947915,"endHours":12.967141938947915,"planetary_lord":"Sun"},{"name":"Hora 8","start":"12:58","end":"13:58","startHours":12.967141938947915,"endHours":13.967141938947915,"planetary_lord":"Mars"},{"name":"Hora 9","start":"13:58","end":"14:58","startHours":13.967141938947915,"endHours":14.967141938947915,"planetary_lord":"Jupiter"},{"name":"Hora 10","start":"14:58","end":"15:58","startHours":14.967141938947915,"endHours":15.967141938947915,"planetary_lord":"Saturn"},{"name":"Hora 11","start":"15:58","end":"16:58","startHours":15.967141938947915,"endHours":16.967141938947915,"planetary_lord":"Moon"},{"name":"Hora 12","start":"16:58","end":"17:58","startHours":16.967141938947915,"endHours":17.967141938947915,"planetary_lord":"Mercury"},{"name":"Hora 13","start":"17:58","end":"18:58","startHours":17.967141938947915,"endHours":18.967141938947915,"planetary_lord":"Venus"},{"name":"Hora 14","start":"18:58","end":"19:58","startHours":18.967141938947915,"endHours":19.967141938947915,"planetary_lord":"Sun"},{"name":"Hora 15","start":"19:58","end":"20:58","startHours":19.967141938947915,"endHours":20.967141938947915,"planetary_lord":"Mars"},{"name":"Hora 16","start":"20:58","end":"21:58","startHours":20.967141938947915,"endHours":21.967141938947915,"planetary_lord":"Jupiter"},{"name":"Hora 17","start":"21:58","end":"22:58","startHours":21.967141938947915,"endHours":22.967141938947915,"planetary_lord":"Saturn"},{"name":"Hora 18","start":"22:58","end":"23:58","startHours":22.967141938947915,"endHours":23.967141938947915,"planetary_lord":"Moon"},{"name":"Hora 19","start":"23:58","end":"00:58","startHours":23.967141938947915,"endHours":24.967141938947915,"planetary_lord":"Mercury"},{"name":"Hora 20","start":"00:58","end":"01:58","startHours":24.967141938947915,"endHours":25.967141938947915,"planetary_lord":"Venus"},{"name":"Hora 21","start":"01:58","end":"02:58","startHours":25.967141938947915,"endHours":26.967141938947915,"planetary_lord":"Sun"},{"name":"Hora 22","start":"02:58","end":"03:58","startHours":26.967141938947915,"endHours":27.967141938947915,"planetary_lord":"Mars"},{"name":"Hora 23","start":"03:58","end":"04:58","startHours":27.967141938947915,"endHours":28.967141938947915,"planetary_lord":"Jupiter"},{"name":"Hora 24","start":"04:58","end":"05:58","startHours":28.967141938947915,"endHours":29.967141938947915,"planetary_lord":"Saturn"}],"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":["Meṣa","Vṛṣabha","Siṃha","Kanyā","Vṛścika","Makara"],"unfavorable_rashis":["Mithuna","Karka","Tulā","Dhanu","Kumbha","Mīna"]},"dishaShool":"North (Uttara)","chandraVasa":"North-East","rahuVasa":"North","anandadiYoga":{"name":"Cara","quality":"Auspicious"},"tropicalRitu":"Vasanta (Spring) (tropical)","vedicRitu":"Śiśira (Winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":7.247881910790973,"eotMinutes":-1.8962862832453116,"ayanamsa":22.4738}},"calendars":{"vikram_samvat":1958,"vikram_samvatsara":"Ānanda","saka_samvat":1823,"saka_samvatsara":"Plava","bengali_samvat":1308,"malayalam_era":1077,"nanakshahi_year":432,"lunar_month":"Vaiśākha","lunar_month_paksha_full":"Vaiśākha Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Vaiśākha","lunar_month_amanta":"Caitra","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Mīna (Paṅkuṇi)","ritu":"Vasanta (Spring)","display_summary":"Vaiśākha Kṛṣṇa Pañcamī · Vikram 1958 Ānanda · Śaka 1823 Plava"},"festivals":[],"todays_walk":{"walk":{"id":"mangala-walk","name":"Maṅgala Walk","name_sanskrit":"मङ्गल यात्रा","type":"graha","description":"Right action + BG 2.31-38 (kṣatriya-dharma).","step_count":7,"url":"/walk/mangala-walk"},"reason":"Maṅgalavāra (Tuesday) — its presiding graha's walk."},"cosmic_resonances":[{"historical_date":"-3137-10-20","event":"Karṇa-Vadha (Mahābhārata Day 17)","chart_id":"karna","shared_marker":"same Jyeṣṭhā","url":"/day/-3137-10-20","relevance":0.5}]},"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 9, 1901 CE · Ṛṣikeśa · Vidhyamitra","description":"April 9, 1901 CE for Ṛṣikeśa: Kṛṣṇa Pañcamī, sūryodaya 05:58, sūryāsta 18:40.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/1901-04-09","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/1901-04-09","sa":"https://sa.vidhyamitra.com/city/rishikesh/1901-04-09","hi":"https://hi.vidhyamitra.com/city/rishikesh/1901-04-09","x-default":"https://vidhyamitra.com/city/rishikesh/1901-04-09"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-01T06:03:57.513Z","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":"2026-06-01T06:03:57.513Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-01T06:03:57.513Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}