{"id":"vidhyamitra:city-day:rishikesh:1925-10-20:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/1925-10-20","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1925-10-20","date_display":"October 20, 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":10,"day":20,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2424443.770833,"kali_year":5027,"ahargana":1835978.2708,"sun":{"sidereal_longitude":182.7768,"rashi":7,"rashi_name":"Tulā"},"moon":{"sidereal_longitude":210.6181,"rashi":8,"rashi_name":"Vṛścika"},"tithi":{"number":3,"name":"Tṛtīyā","paksha":"Śukla","full_name":"Śukla Tṛtīyā","elongation_degrees":27.8413,"elapsed_within_tithi_degrees":3.8413},"nakshatra":{"number":16,"name":"Viśākhā","pada":4,"moon_longitude":210.6181,"elapsed_within_degrees":10.6181},"yoga":{"number":3,"name":"Āyuṣmān","sum_longitude":33.3949},"karana":{"half_tithi_index":4,"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":1925,"month":10,"day":20,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2424443.770833,"ahargana":1835978.2708,"kali_year":5027,"ayanamsa_lahiri":22.8165,"grahas":{"sun":{"sidereal_longitude":183.32017700000006,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":3},"retrograde":false},"moon":{"sidereal_longitude":211.90517699999998,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":16,"name":"Viśākhā","pada":4},"retrograde":false,"latitude":4.2392},"mars":{"sidereal_longitude":172.01167699999996,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":192.75007700000003,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":264.030577,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":4},"retrograde":false},"venus":{"sidereal_longitude":228.03577700000005,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":201.92767700000002,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":1},"retrograde":false},"rahu":{"sidereal_longitude":101.0359,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":281.0359,"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":10,"day":20,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2424443.770833,"kali_year":5027,"ahargana":1835978.2708,"sun":{"sidereal_longitude":182.7768,"rashi":7,"rashi_name":"Tulā"},"moon":{"sidereal_longitude":210.6181,"rashi":8,"rashi_name":"Vṛścika"},"tithi":{"number":3,"name":"Tṛtīyā","paksha":"Śukla","full_name":"Śukla Tṛtīyā","elongation_degrees":27.8413,"elapsed_within_tithi_degrees":3.8413},"nakshatra":{"number":16,"name":"Viśākhā","pada":4,"moon_longitude":210.6181,"elapsed_within_degrees":10.6181},"yoga":{"number":3,"name":"Āyuṣmān","sum_longitude":33.3949},"karana":{"half_tithi_index":4,"name":"Taitila"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":4.239,"elongation":27.841},"lunar":{"type":"lunar","occurs":false,"moon_latitude":4.239,"opposition_distance":152.159}},"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":"06:21","sunsetLocal":"17:41","solarNoonLocal":"12:01","dayLengthHours":11.341894666776156,"dayLengthDisplay":"11 Hours 20 Mins 31 Secs","nightLengthDisplay":"12 Hours 39 Mins 29 Secs","moonriseLocal":"08:39","moonsetLocal":"19:13","rahuKala":{"name":"Rāhu Kāla","start":"14:51","end":"16:16","startHours":14.856019145956854,"endHours":16.273755979303875,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"09:11","end":"10:36","startHours":9.185071812568776,"endHours":10.602808645915797,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"12:01","end":"13:26","startHours":12.020545479262815,"endHours":13.438282312609836,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:00","end":"09:22","startHours":8.996040234789174,"endHours":9.37410339034838,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:49","end":"07:07","startHours":6.822177090323744,"endHours":7.124627614771108,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:39","end":"12:24","startHours":11.642482323703609,"endHours":12.39860863482202,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:50","end":"05:36","startHours":4.837345523637916,"endHours":5.593471834756327,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:24","end":"06:21","startHours":5.4044402569767245,"endHours":6.3495981458747375,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:55","end":"14:40","startHours":13.91086125705884,"endHours":14.666987568177252,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:29","end":"17:53","startHours":17.491492812650893,"endHours":17.891492812650892,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:41","end":"18:10","startHours":17.691492812650893,"endHours":18.164071757099897,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:26","end":"19:11","startHours":17.441492812650893,"endHours":19.191492812650893,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:39","end":"00:24","startHours":23.64248232370361,"endHours":24.39860863482202,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Roga","start":"06:21","end":"07:46","startHours":6.3495981458747375,"endHours":7.767334979221757,"quality":"inauspicious"},{"name":"Udveg","start":"07:46","end":"09:11","startHours":7.767334979221757,"endHours":9.185071812568776,"quality":"inauspicious"},{"name":"Chala","start":"09:11","end":"10:36","startHours":9.185071812568776,"endHours":10.602808645915797,"quality":"neutral"},{"name":"Labha","start":"10:36","end":"12:01","startHours":10.602808645915797,"endHours":12.020545479262815,"quality":"auspicious"},{"name":"Amṛta","start":"12:01","end":"13:26","startHours":12.020545479262815,"endHours":13.438282312609836,"quality":"auspicious"},{"name":"Kāla","start":"13:26","end":"14:51","startHours":13.438282312609836,"endHours":14.856019145956854,"quality":"inauspicious"},{"name":"Śubha","start":"14:51","end":"16:16","startHours":14.856019145956854,"endHours":16.273755979303875,"quality":"auspicious"},{"name":"Roga","start":"16:16","end":"17:41","startHours":16.273755979303875,"endHours":17.691492812650893,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Kāla","start":"17:41","end":"19:16","startHours":17.691492812650893,"endHours":19.27375597930387,"quality":"inauspicious"},{"name":"Śubha","start":"19:16","end":"20:51","startHours":19.27375597930387,"endHours":20.856019145956854,"quality":"auspicious"},{"name":"Roga","start":"20:51","end":"22:26","startHours":20.856019145956854,"endHours":22.438282312609836,"quality":"inauspicious"},{"name":"Udveg","start":"22:26","end":"00:01","startHours":22.438282312609836,"endHours":24.020545479262815,"quality":"inauspicious"},{"name":"Chala","start":"00:01","end":"01:36","startHours":24.020545479262815,"endHours":25.602808645915793,"quality":"neutral"},{"name":"Labha","start":"01:36","end":"03:11","startHours":25.602808645915793,"endHours":27.185071812568776,"quality":"auspicious"},{"name":"Amṛta","start":"03:11","end":"04:46","startHours":27.185071812568776,"endHours":28.767334979221758,"quality":"auspicious"},{"name":"Kāla","start":"04:46","end":"06:21","startHours":28.767334979221758,"endHours":30.349598145874737,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"06:21","end":"07:21","startHours":6.3495981458747375,"endHours":7.3495981458747375,"planetary_lord":"Mars"},{"name":"Hora 2","start":"07:21","end":"08:21","startHours":7.3495981458747375,"endHours":8.349598145874737,"planetary_lord":"Jupiter"},{"name":"Hora 3","start":"08:21","end":"09:21","startHours":8.349598145874737,"endHours":9.349598145874737,"planetary_lord":"Saturn"},{"name":"Hora 4","start":"09:21","end":"10:21","startHours":9.349598145874737,"endHours":10.349598145874737,"planetary_lord":"Moon"},{"name":"Hora 5","start":"10:21","end":"11:21","startHours":10.349598145874737,"endHours":11.349598145874737,"planetary_lord":"Mercury"},{"name":"Hora 6","start":"11:21","end":"12:21","startHours":11.349598145874737,"endHours":12.349598145874737,"planetary_lord":"Venus"},{"name":"Hora 7","start":"12:21","end":"13:21","startHours":12.349598145874737,"endHours":13.349598145874737,"planetary_lord":"Sun"},{"name":"Hora 8","start":"13:21","end":"14:21","startHours":13.349598145874737,"endHours":14.349598145874737,"planetary_lord":"Mars"},{"name":"Hora 9","start":"14:21","end":"15:21","startHours":14.349598145874737,"endHours":15.349598145874737,"planetary_lord":"Jupiter"},{"name":"Hora 10","start":"15:21","end":"16:21","startHours":15.349598145874737,"endHours":16.349598145874737,"planetary_lord":"Saturn"},{"name":"Hora 11","start":"16:21","end":"17:21","startHours":16.349598145874737,"endHours":17.349598145874737,"planetary_lord":"Moon"},{"name":"Hora 12","start":"17:21","end":"18:21","startHours":17.349598145874737,"endHours":18.349598145874737,"planetary_lord":"Mercury"},{"name":"Hora 13","start":"18:21","end":"19:21","startHours":18.349598145874737,"endHours":19.349598145874737,"planetary_lord":"Venus"},{"name":"Hora 14","start":"19:21","end":"20:21","startHours":19.349598145874737,"endHours":20.349598145874737,"planetary_lord":"Sun"},{"name":"Hora 15","start":"20:21","end":"21:21","startHours":20.349598145874737,"endHours":21.349598145874737,"planetary_lord":"Mars"},{"name":"Hora 16","start":"21:21","end":"22:21","startHours":21.349598145874737,"endHours":22.349598145874737,"planetary_lord":"Jupiter"},{"name":"Hora 17","start":"22:21","end":"23:21","startHours":22.349598145874737,"endHours":23.349598145874737,"planetary_lord":"Saturn"},{"name":"Hora 18","start":"23:21","end":"00:21","startHours":23.349598145874737,"endHours":24.349598145874737,"planetary_lord":"Moon"},{"name":"Hora 19","start":"00:21","end":"01:21","startHours":24.349598145874737,"endHours":25.349598145874737,"planetary_lord":"Mercury"},{"name":"Hora 20","start":"01:21","end":"02:21","startHours":25.349598145874737,"endHours":26.349598145874737,"planetary_lord":"Venus"},{"name":"Hora 21","start":"02:21","end":"03:21","startHours":26.349598145874737,"endHours":27.349598145874737,"planetary_lord":"Sun"},{"name":"Hora 22","start":"03:21","end":"04:21","startHours":27.349598145874737,"endHours":28.349598145874737,"planetary_lord":"Mars"},{"name":"Hora 23","start":"04:21","end":"05:21","startHours":28.349598145874737,"endHours":29.349598145874737,"planetary_lord":"Jupiter"},{"name":"Hora 24","start":"05:21","end":"06:21","startHours":29.349598145874737,"endHours":30.349598145874737,"planetary_lord":"Saturn"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Hasta","Citrā","Svātī","Viśākhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā"],"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":"Mātaṇga","quality":"Auspicious"},"drikRitu":"Śarad (Autumn)","vedicRitu":"Śarad (Autumn)","drikAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":-10.090686569146134,"eotMinutes":15.696871244231174,"ayanamsa":22.8165}},"calendars":{"vikram_samvat":1982,"vikram_samvatsara":"Bahudhānya","saka_samvat":1847,"saka_samvatsara":"Krodhana","bengali_samvat":1332,"malayalam_era":1101,"nanakshahi_year":456,"lunar_month":"Kārtika","lunar_month_paksha_full":"Kārtika Śukla Pakṣa","solar_month":"Tulā (Aippasi)","ritu":"Śarad (Autumn)","display_summary":"Kārtika Śukla Tṛtīyā · Vikram 1982 Bahudhānya · Śaka 1847 Krodhana"},"festivals":[{"id":"tula-sankranti","name":"Tulā Saṅkrānti","name_sanskrit":"तुला सङ्क्रान्ति","tradition":"Pan-Hindu","significance":"Sun enters Libra.","vrata":false,"detection":{"sun_rashi":"Tulā"},"precedence":5}],"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":"-0562-04-11","event":"Bhagavān Buddha's birth at Lumbinī","chart_id":"buddha","shared_marker":"same Viśākhā","url":"/day/-0562-04-11","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 October 20, 1925 CE · Ṛṣikeśa · Vidhyamitra","description":"October 20, 1925 CE for Ṛṣikeśa: Śukla Tṛtīyā, sūryodaya 06:21, sūryāsta 17:41.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/1925-10-20","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/1925-10-20","sa":"https://sa.vidhyamitra.com/city/rishikesh/1925-10-20","hi":"https://hi.vidhyamitra.com/city/rishikesh/1925-10-20","x-default":"https://vidhyamitra.com/city/rishikesh/1925-10-20"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-23T08:02:57.951Z","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":"2026-05-23T08:02:57.951Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-23T08:02:57.951Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}