{"id":"vidhyamitra:city-day:rishikesh:1931-10-22:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/1931-10-22","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1931-10-22","date_display":"October 22, 1931 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":1931,"month":10,"day":22,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2426636.770833,"kali_year":5033,"ahargana":1838171.2708,"sun":{"sidereal_longitude":184.2204,"rashi":7,"rashi_name":"Tulā"},"moon":{"sidereal_longitude":313.0473,"rashi":11,"rashi_name":"Kumbha"},"tithi":{"number":11,"name":"Ekādaśī","paksha":"Śukla","full_name":"Śukla Ekādaśī","elongation_degrees":128.8269,"elapsed_within_tithi_degrees":8.8269},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":2,"moon_longitude":313.0473,"elapsed_within_degrees":6.3806},"yoga":{"number":11,"name":"Vṛddhi","sum_longitude":137.2677},"karana":{"half_tithi_index":21,"name":"Viṣṭi"},"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":1931,"month":10,"day":22,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2426636.770833,"ahargana":1838171.2708,"kali_year":5033,"ayanamsa_lahiri":22.9004,"grahas":{"sun":{"sidereal_longitude":184.774088,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":4},"retrograde":false},"moon":{"sidereal_longitude":315.8140880000001,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":3},"retrograde":false,"latitude":-2.3691},"mars":{"sidereal_longitude":211.97318799999994,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":16,"name":"Viśākhā","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":187.88398800000004,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":116.709788,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":4},"retrograde":false},"venus":{"sidereal_longitude":197.29328799999996,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":264.91558800000007,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":4},"retrograde":false},"rahu":{"sidereal_longitude":344.8402,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":164.8402,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":2},"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":1931,"month":10,"day":22,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2426636.770833,"kali_year":5033,"ahargana":1838171.2708,"sun":{"sidereal_longitude":184.2204,"rashi":7,"rashi_name":"Tulā"},"moon":{"sidereal_longitude":313.0473,"rashi":11,"rashi_name":"Kumbha"},"tithi":{"number":11,"name":"Ekādaśī","paksha":"Śukla","full_name":"Śukla Ekādaśī","elongation_degrees":128.8269,"elapsed_within_tithi_degrees":8.8269},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":2,"moon_longitude":313.0473,"elapsed_within_degrees":6.3806},"yoga":{"number":11,"name":"Vṛddhi","sum_longitude":137.2677},"karana":{"half_tithi_index":21,"name":"Viṣṭi"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-2.369,"elongation":128.827},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-2.369,"opposition_distance":51.173}},"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":"06:22","sunsetLocal":"17:40","solarNoonLocal":"12:01","dayLengthHours":11.297683746592526,"dayLengthDisplay":"11 Hours 17 Mins 52 Secs","nightLengthDisplay":"12 Hours 42 Mins 08 Secs","moonriseLocal":"15:02","moonsetLocal":"02:28","rahuKala":{"name":"Rāhu Kāla","start":"13:26","end":"14:50","startHours":13.42854265317741,"endHours":14.840753121501475,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"06:22","end":"07:47","startHours":6.367490311557081,"endHours":7.779700779881146,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"09:12","end":"10:36","startHours":9.191911248205212,"endHours":10.604121716529278,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:00","end":"09:23","startHours":9.003616519095337,"endHours":9.380205977315088,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:50","end":"07:08","startHours":6.8382271343317695,"endHours":7.13949870090757,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:38","end":"12:24","startHours":11.639742726633592,"endHours":12.392921643073095,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:52","end":"05:37","startHours":4.861132478678077,"endHours":5.6143113951175785,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:26","end":"06:22","startHours":5.426016666007704,"endHours":6.367490311557081,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:54","end":"14:39","startHours":13.899279475952099,"endHours":14.652458392391601,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:28","end":"17:52","startHours":17.465174058149607,"endHours":17.865174058149606,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:40","end":"18:08","startHours":17.665174058149606,"endHours":18.135910880924296,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:25","end":"19:10","startHours":17.415174058149606,"endHours":19.165174058149606,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:38","end":"00:24","startHours":23.639742726633592,"endHours":24.392921643073095,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Śubha","start":"06:22","end":"07:47","startHours":6.367490311557081,"endHours":7.779700779881146,"quality":"auspicious"},{"name":"Roga","start":"07:47","end":"09:12","startHours":7.779700779881146,"endHours":9.191911248205212,"quality":"inauspicious"},{"name":"Udveg","start":"09:12","end":"10:36","startHours":9.191911248205212,"endHours":10.604121716529278,"quality":"inauspicious"},{"name":"Chala","start":"10:36","end":"12:01","startHours":10.604121716529278,"endHours":12.016332184853344,"quality":"neutral"},{"name":"Labha","start":"12:01","end":"13:26","startHours":12.016332184853344,"endHours":13.42854265317741,"quality":"auspicious"},{"name":"Amṛta","start":"13:26","end":"14:50","startHours":13.42854265317741,"endHours":14.840753121501475,"quality":"auspicious"},{"name":"Kāla","start":"14:50","end":"16:15","startHours":14.840753121501475,"endHours":16.25296358982554,"quality":"inauspicious"},{"name":"Śubha","start":"16:15","end":"17:40","startHours":16.25296358982554,"endHours":17.665174058149606,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Amṛta","start":"17:40","end":"19:15","startHours":17.665174058149606,"endHours":19.25296358982554,"quality":"auspicious"},{"name":"Kāla","start":"19:15","end":"20:50","startHours":19.25296358982554,"endHours":20.840753121501475,"quality":"inauspicious"},{"name":"Śubha","start":"20:50","end":"22:26","startHours":20.840753121501475,"endHours":22.42854265317741,"quality":"auspicious"},{"name":"Roga","start":"22:26","end":"00:01","startHours":22.42854265317741,"endHours":24.016332184853344,"quality":"inauspicious"},{"name":"Udveg","start":"00:01","end":"01:36","startHours":24.016332184853344,"endHours":25.604121716529278,"quality":"inauspicious"},{"name":"Chala","start":"01:36","end":"03:12","startHours":25.604121716529278,"endHours":27.191911248205212,"quality":"neutral"},{"name":"Labha","start":"03:12","end":"04:47","startHours":27.191911248205212,"endHours":28.779700779881146,"quality":"auspicious"},{"name":"Amṛta","start":"04:47","end":"06:22","startHours":28.779700779881146,"endHours":30.36749031155708,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:22","end":"07:22","startHours":6.367490311557081,"endHours":7.367490311557081,"planetary_lord":"Jupiter"},{"name":"Hora 2","start":"07:22","end":"08:22","startHours":7.367490311557081,"endHours":8.36749031155708,"planetary_lord":"Saturn"},{"name":"Hora 3","start":"08:22","end":"09:22","startHours":8.36749031155708,"endHours":9.36749031155708,"planetary_lord":"Moon"},{"name":"Hora 4","start":"09:22","end":"10:22","startHours":9.36749031155708,"endHours":10.36749031155708,"planetary_lord":"Mercury"},{"name":"Hora 5","start":"10:22","end":"11:22","startHours":10.36749031155708,"endHours":11.36749031155708,"planetary_lord":"Venus"},{"name":"Hora 6","start":"11:22","end":"12:22","startHours":11.36749031155708,"endHours":12.36749031155708,"planetary_lord":"Sun"},{"name":"Hora 7","start":"12:22","end":"13:22","startHours":12.36749031155708,"endHours":13.36749031155708,"planetary_lord":"Mars"},{"name":"Hora 8","start":"13:22","end":"14:22","startHours":13.36749031155708,"endHours":14.36749031155708,"planetary_lord":"Jupiter"},{"name":"Hora 9","start":"14:22","end":"15:22","startHours":14.36749031155708,"endHours":15.36749031155708,"planetary_lord":"Saturn"},{"name":"Hora 10","start":"15:22","end":"16:22","startHours":15.36749031155708,"endHours":16.36749031155708,"planetary_lord":"Moon"},{"name":"Hora 11","start":"16:22","end":"17:22","startHours":16.36749031155708,"endHours":17.36749031155708,"planetary_lord":"Mercury"},{"name":"Hora 12","start":"17:22","end":"18:22","startHours":17.36749031155708,"endHours":18.36749031155708,"planetary_lord":"Venus"},{"name":"Hora 13","start":"18:22","end":"19:22","startHours":18.36749031155708,"endHours":19.36749031155708,"planetary_lord":"Sun"},{"name":"Hora 14","start":"19:22","end":"20:22","startHours":19.36749031155708,"endHours":20.36749031155708,"planetary_lord":"Mars"},{"name":"Hora 15","start":"20:22","end":"21:22","startHours":20.36749031155708,"endHours":21.36749031155708,"planetary_lord":"Jupiter"},{"name":"Hora 16","start":"21:22","end":"22:22","startHours":21.36749031155708,"endHours":22.36749031155708,"planetary_lord":"Saturn"},{"name":"Hora 17","start":"22:22","end":"23:22","startHours":22.36749031155708,"endHours":23.36749031155708,"planetary_lord":"Moon"},{"name":"Hora 18","start":"23:22","end":"00:22","startHours":23.36749031155708,"endHours":24.36749031155708,"planetary_lord":"Mercury"},{"name":"Hora 19","start":"00:22","end":"01:22","startHours":24.36749031155708,"endHours":25.36749031155708,"planetary_lord":"Venus"},{"name":"Hora 20","start":"01:22","end":"02:22","startHours":25.36749031155708,"endHours":26.36749031155708,"planetary_lord":"Sun"},{"name":"Hora 21","start":"02:22","end":"03:22","startHours":26.36749031155708,"endHours":27.36749031155708,"planetary_lord":"Mars"},{"name":"Hora 22","start":"03:22","end":"04:22","startHours":27.36749031155708,"endHours":28.36749031155708,"planetary_lord":"Jupiter"},{"name":"Hora 23","start":"04:22","end":"05:22","startHours":28.36749031155708,"endHours":29.36749031155708,"planetary_lord":"Saturn"},{"name":"Hora 24","start":"05:22","end":"06:22","startHours":29.36749031155708,"endHours":30.36749031155708,"planetary_lord":"Moon"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Punarvasu","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Uttara Phalgunī","Hasta","Citrā","Svātī","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Karka","Siṃha","Vṛścika","Dhanu","Kumbha"],"unfavorable_rashis":["Vṛṣabha","Mithuna","Kanyā","Tulā","Makara","Mīna"]},"dishaShool":"South (Dakṣiṇa)","chandraVasa":"South","rahuVasa":"North-West","anandadiYoga":{"name":"Maitra","quality":"Auspicious"},"tropicalRitu":"Śarad (Autumn)","vedicRitu":"Śarad (Autumn)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-10.64515519157675,"eotMinutes":15.949668908799335,"ayanamsa":22.9004}},"calendars":{"vikram_samvat":1988,"vikram_samvatsara":"Tāraṇa","saka_samvat":1853,"saka_samvatsara":"Prajāpati","bengali_samvat":1338,"malayalam_era":1107,"nanakshahi_year":462,"lunar_month":"Āśvina","lunar_month_paksha_full":"Āśvina Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Āśvina","lunar_month_amanta":"Āśvina","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Tulā (Aippasi)","ritu":"Śarad (Autumn)","display_summary":"Āśvina Śukla Ekādaśī · Vikram 1988 Tāraṇa · Śaka 1853 Prajāpati"},"festivals":[{"id":"pashankusha-ekadashi","name":"Pāśāṅkuśā Ekādaśī","name_sanskrit":"पाशाङ्कुशा एकादशी","tradition":"Vaishnava","associated_deity":"Bhagavān Padmanābha (Viṣṇu)","significance":"Confers strength + wealth + son; equivalent to 1000 Aśvamedha-yajñas.","vrata":true,"detection":{"tithi_number":11,"tithi_paksha":"Śukla","lunar_month":"Āśvina"},"precedence":4},{"id":"ekadashi","name":"Ekādaśī","name_sanskrit":"एकादशी","tradition":"Vaishnava","associated_deity":"Bhagavān Viṣṇu","significance":"Sacred to Bhagavān Viṣṇu; vrata for purification.","vrata":true,"detection":{"any_of":[{"tithi_number":11},{"tithi_number":26}]},"precedence":5}],"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 October 22, 1931 CE · Ṛṣikeśa · Vidhyamitra","description":"October 22, 1931 CE for Ṛṣikeśa: Śukla Ekādaśī, sūryodaya 06:22, sūryāsta 17:40.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/1931-10-22","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/1931-10-22","sa":"https://sa.vidhyamitra.com/city/rishikesh/1931-10-22","hi":"https://hi.vidhyamitra.com/city/rishikesh/1931-10-22","x-default":"https://vidhyamitra.com/city/rishikesh/1931-10-22"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T01:37:31.387Z","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":"2026-05-31T01:37:31.387Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T01:37:31.387Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}