{"id":"vidhyamitra:city-day:rishikesh:1925-09-17:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/1925-09-17","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1925-09-17","date_display":"September 17, 1925 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":1925,"month":9,"day":17,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2424410.770833,"kali_year":5027,"ahargana":1835945.2708,"sun":{"sidereal_longitude":150.263,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":136.8256,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":29,"name":"Caturdaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Caturdaśī","elongation_degrees":346.5626,"elapsed_within_tithi_degrees":10.5626},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":2,"moon_longitude":136.8256,"elapsed_within_degrees":3.4923},"yoga":{"number":22,"name":"Sādhya","sum_longitude":287.0886},"karana":{"half_tithi_index":57,"name":"Śakuni"},"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":1925,"month":9,"day":17,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2424410.770833,"ahargana":1835945.2708,"kali_year":5027,"ayanamsa_lahiri":22.8152,"grahas":{"sun":{"sidereal_longitude":150.81523700000002,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":2},"retrograde":false},"moon":{"sidereal_longitude":137.907937,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":2},"retrograde":false,"latitude":2.5173},"mars":{"sidereal_longitude":150.618737,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":135.893437,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":261.567237,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":3},"retrograde":false},"venus":{"sidereal_longitude":189.38713699999994,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":198.44053699999995,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":4},"retrograde":false},"rahu":{"sidereal_longitude":102.7844,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":282.7844,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":1},"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":1925,"month":9,"day":17,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2424410.770833,"kali_year":5027,"ahargana":1835945.2708,"sun":{"sidereal_longitude":150.263,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":136.8256,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":29,"name":"Caturdaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Caturdaśī","elongation_degrees":346.5626,"elapsed_within_tithi_degrees":10.5626},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":2,"moon_longitude":136.8256,"elapsed_within_degrees":3.4923},"yoga":{"number":22,"name":"Sādhya","sum_longitude":287.0886},"karana":{"half_tithi_index":57,"name":"Śakuni"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":2.517,"elongation":13.437},"lunar":{"type":"lunar","occurs":false,"moon_latitude":2.517,"opposition_distance":166.563}},"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":"06:01","sunsetLocal":"18:20","solarNoonLocal":"12:11","dayLengthHours":12.324070155173906,"dayLengthDisplay":"12 Hours 19 Mins 27 Secs","nightLengthDisplay":"11 Hours 40 Mins 33 Secs","moonriseLocal":"04:59","moonsetLocal":"17:39","rahuKala":{"name":"Rāhu Kāla","start":"13:43","end":"15:16","startHours":13.718676040140608,"endHours":15.259184809537345,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"06:01","end":"07:33","startHours":6.016132193156916,"endHours":7.556640962553654,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"09:06","end":"10:38","startHours":9.097149731950392,"endHours":10.637658501347131,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:54","end":"09:18","startHours":8.891748562697494,"endHours":9.302550901203292,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:32","end":"06:51","startHours":6.529635116289162,"endHours":6.8582769870938,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:46","end":"12:35","startHours":11.767364932238074,"endHours":12.588969609249666,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:22","end":"05:12","startHours":4.372922839133729,"endHours":5.194527516145322,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:59","end":"06:01","startHours":4.989126346892424,"endHours":6.016132193156916,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:14","end":"15:03","startHours":14.232178963272855,"endHours":15.053783640284449,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:08","end":"18:32","startHours":18.140202348330824,"endHours":18.540202348330823,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:20","end":"18:51","startHours":18.340202348330823,"endHours":18.85370527146307,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:05","end":"19:50","startHours":18.090202348330823,"endHours":19.840202348330823,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:46","end":"00:35","startHours":23.767364932238074,"endHours":24.588969609249666,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Śubha","start":"06:01","end":"07:33","startHours":6.016132193156916,"endHours":7.556640962553654,"quality":"auspicious"},{"name":"Roga","start":"07:33","end":"09:06","startHours":7.556640962553654,"endHours":9.097149731950392,"quality":"inauspicious"},{"name":"Udveg","start":"09:06","end":"10:38","startHours":9.097149731950392,"endHours":10.637658501347131,"quality":"inauspicious"},{"name":"Chala","start":"10:38","end":"12:11","startHours":10.637658501347131,"endHours":12.17816727074387,"quality":"neutral"},{"name":"Labha","start":"12:11","end":"13:43","startHours":12.17816727074387,"endHours":13.718676040140608,"quality":"auspicious"},{"name":"Amṛta","start":"13:43","end":"15:16","startHours":13.718676040140608,"endHours":15.259184809537345,"quality":"auspicious"},{"name":"Kāla","start":"15:16","end":"16:48","startHours":15.259184809537345,"endHours":16.799693578934086,"quality":"inauspicious"},{"name":"Śubha","start":"16:48","end":"18:20","startHours":16.799693578934086,"endHours":18.340202348330823,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Amṛta","start":"18:20","end":"19:48","startHours":18.340202348330823,"endHours":19.799693578934086,"quality":"auspicious"},{"name":"Kāla","start":"19:48","end":"21:16","startHours":19.799693578934086,"endHours":21.259184809537345,"quality":"inauspicious"},{"name":"Śubha","start":"21:16","end":"22:43","startHours":21.259184809537345,"endHours":22.718676040140608,"quality":"auspicious"},{"name":"Roga","start":"22:43","end":"00:11","startHours":22.718676040140608,"endHours":24.17816727074387,"quality":"inauspicious"},{"name":"Udveg","start":"00:11","end":"01:38","startHours":24.17816727074387,"endHours":25.637658501347133,"quality":"inauspicious"},{"name":"Chala","start":"01:38","end":"03:06","startHours":25.637658501347133,"endHours":27.097149731950395,"quality":"neutral"},{"name":"Labha","start":"03:06","end":"04:33","startHours":27.097149731950395,"endHours":28.556640962553654,"quality":"auspicious"},{"name":"Amṛta","start":"04:33","end":"06:01","startHours":28.556640962553654,"endHours":30.016132193156917,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:01","end":"07:01","startHours":6.016132193156916,"endHours":7.016132193156916,"planetary_lord":"Jupiter"},{"name":"Hora 2","start":"07:01","end":"08:01","startHours":7.016132193156916,"endHours":8.016132193156917,"planetary_lord":"Saturn"},{"name":"Hora 3","start":"08:01","end":"09:01","startHours":8.016132193156917,"endHours":9.016132193156917,"planetary_lord":"Moon"},{"name":"Hora 4","start":"09:01","end":"10:01","startHours":9.016132193156917,"endHours":10.016132193156917,"planetary_lord":"Mercury"},{"name":"Hora 5","start":"10:01","end":"11:01","startHours":10.016132193156917,"endHours":11.016132193156917,"planetary_lord":"Venus"},{"name":"Hora 6","start":"11:01","end":"12:01","startHours":11.016132193156917,"endHours":12.016132193156917,"planetary_lord":"Sun"},{"name":"Hora 7","start":"12:01","end":"13:01","startHours":12.016132193156917,"endHours":13.016132193156917,"planetary_lord":"Mars"},{"name":"Hora 8","start":"13:01","end":"14:01","startHours":13.016132193156917,"endHours":14.016132193156917,"planetary_lord":"Jupiter"},{"name":"Hora 9","start":"14:01","end":"15:01","startHours":14.016132193156917,"endHours":15.016132193156917,"planetary_lord":"Saturn"},{"name":"Hora 10","start":"15:01","end":"16:01","startHours":15.016132193156917,"endHours":16.016132193156917,"planetary_lord":"Moon"},{"name":"Hora 11","start":"16:01","end":"17:01","startHours":16.016132193156917,"endHours":17.016132193156917,"planetary_lord":"Mercury"},{"name":"Hora 12","start":"17:01","end":"18:01","startHours":17.016132193156917,"endHours":18.016132193156917,"planetary_lord":"Venus"},{"name":"Hora 13","start":"18:01","end":"19:01","startHours":18.016132193156917,"endHours":19.016132193156917,"planetary_lord":"Sun"},{"name":"Hora 14","start":"19:01","end":"20:01","startHours":19.016132193156917,"endHours":20.016132193156917,"planetary_lord":"Mars"},{"name":"Hora 15","start":"20:01","end":"21:01","startHours":20.016132193156917,"endHours":21.016132193156917,"planetary_lord":"Jupiter"},{"name":"Hora 16","start":"21:01","end":"22:01","startHours":21.016132193156917,"endHours":22.016132193156917,"planetary_lord":"Saturn"},{"name":"Hora 17","start":"22:01","end":"23:01","startHours":22.016132193156917,"endHours":23.016132193156917,"planetary_lord":"Moon"},{"name":"Hora 18","start":"23:01","end":"00:01","startHours":23.016132193156917,"endHours":24.016132193156917,"planetary_lord":"Mercury"},{"name":"Hora 19","start":"00:01","end":"01:01","startHours":24.016132193156917,"endHours":25.016132193156917,"planetary_lord":"Venus"},{"name":"Hora 20","start":"01:01","end":"02:01","startHours":25.016132193156917,"endHours":26.016132193156917,"planetary_lord":"Sun"},{"name":"Hora 21","start":"02:01","end":"03:01","startHours":26.016132193156917,"endHours":27.016132193156917,"planetary_lord":"Mars"},{"name":"Hora 22","start":"03:01","end":"04:01","startHours":27.016132193156917,"endHours":28.016132193156917,"planetary_lord":"Jupiter"},{"name":"Hora 23","start":"04:01","end":"05:01","startHours":28.016132193156917,"endHours":29.016132193156917,"planetary_lord":"Saturn"},{"name":"Hora 24","start":"05:01","end":"06:01","startHours":29.016132193156917,"endHours":30.016132193156917,"planetary_lord":"Moon"}],"taraBala":{"favorable_nakshatras":["Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Uttara Phalgunī","Hasta","Citrā","Svātī","Viśākhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Bhādrapadā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Vṛṣabha","Mithuna","Siṃha","Tulā","Makara","Kumbha"],"unfavorable_rashis":["Meṣa","Karka","Kanyā","Vṛścika","Dhanu","Mīna"]},"dishaShool":"South (Dakṣiṇa)","chandraVasa":"West","rahuVasa":"North-West","anandadiYoga":{"name":"Sushira","quality":"Auspicious"},"drikRitu":"Varṣā (Monsoon)","vedicRitu":"Varṣā (Monsoon)","drikAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":2.5289880698586877,"eotMinutes":6.239563755367786,"ayanamsa":22.8152}},"calendars":{"vikram_samvat":1982,"vikram_samvatsara":"Bahudhānya","saka_samvat":1847,"saka_samvatsara":"Krodhana","bengali_samvat":1332,"malayalam_era":1101,"nanakshahi_year":456,"lunar_month":"Āśvina","lunar_month_paksha_full":"Āśvina Kṛṣṇa Pakṣa","solar_month":"Kanyā (Puraṭṭāsi)","ritu":"Śarad (Autumn)","display_summary":"Āśvina Kṛṣṇa Caturdaśī · Vikram 1982 Bahudhānya · Śaka 1847 Krodhana"},"festivals":[{"id":"kanya-sankranti","name":"Kanyā Saṅkrānti (Mahālaya begins)","name_sanskrit":"कन्या सङ्क्रान्ति","tradition":"Pan-Hindu","significance":"Sun enters Virgo; Mahālaya / Pitṛ-Pakṣa solar marker.","vrata":false,"detection":{"sun_rashi":"Kanyā"},"precedence":4},{"id":"masika-shivaratri","name":"Māsika Śivarātri","name_sanskrit":"मासिक शिवरात्रि","tradition":"Shaiva","associated_deity":"Śiva","significance":"Monthly Śiva observance.","vrata":true,"detection":{"tithi_number":29,"tithi_paksha":"Kṛṣṇa"},"precedence":6}],"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 September 17, 1925 CE · Ṛṣikeśa · Vidhyamitra","description":"September 17, 1925 CE for Ṛṣikeśa: Kṛṣṇa Caturdaśī, sūryodaya 06:01, sūryāsta 18:20.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/1925-09-17","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/1925-09-17","sa":"https://sa.vidhyamitra.com/city/rishikesh/1925-09-17","hi":"https://hi.vidhyamitra.com/city/rishikesh/1925-09-17","x-default":"https://vidhyamitra.com/city/rishikesh/1925-09-17"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-23T05:59:43.829Z","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":"2026-05-23T05:59:43.829Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-23T05:59:43.829Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}