{"id":"vidhyamitra:city-day:rishikesh:1950-09-23:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/1950-09-23","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1950-09-23","date_display":"September 23, 1950 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":1950,"month":9,"day":23,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2433547.770833,"kali_year":5052,"ahargana":1845082.2708,"sun":{"sidereal_longitude":155.6603,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":298.4405,"rashi":10,"rashi_name":"Makara"},"tithi":{"number":12,"name":"Dvādaśī","paksha":"Śukla","full_name":"Śukla Dvādaśī","elongation_degrees":142.7802,"elapsed_within_tithi_degrees":10.7802},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":2,"moon_longitude":298.4405,"elapsed_within_degrees":5.1072},"yoga":{"number":8,"name":"Dhṛti","sum_longitude":94.1008},"karana":{"half_tithi_index":23,"name":"Bālava"},"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":1950,"month":9,"day":23,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2433547.770833,"ahargana":1845082.2708,"kali_year":5052,"ayanamsa_lahiri":23.1647,"grahas":{"sun":{"sidereal_longitude":156.28173700000002,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":3},"retrograde":false},"moon":{"sidereal_longitude":299.21313699999996,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":2},"retrograde":false,"latitude":-2.9041},"mars":{"sidereal_longitude":215.612437,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":146.58603700000003,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":306.87843699999996,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":1},"retrograde":true},"venus":{"sidereal_longitude":143.63383699999997,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":150.61683700000003,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":2},"retrograde":false},"rahu":{"sidereal_longitude":338.6621,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":158.6621,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":4},"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":1950,"month":9,"day":23,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2433547.770833,"kali_year":5052,"ahargana":1845082.2708,"sun":{"sidereal_longitude":155.6603,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":298.4405,"rashi":10,"rashi_name":"Makara"},"tithi":{"number":12,"name":"Dvādaśī","paksha":"Śukla","full_name":"Śukla Dvādaśī","elongation_degrees":142.7802,"elapsed_within_tithi_degrees":10.7802},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":2,"moon_longitude":298.4405,"elapsed_within_degrees":5.1072},"yoga":{"number":8,"name":"Dhṛti","sum_longitude":94.1008},"karana":{"half_tithi_index":23,"name":"Bālava"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-2.904,"elongation":142.78},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-2.904,"opposition_distance":37.22}},"eclipse_window_40days":[{"offset_days":-11,"type":"solar","occurs":true,"moon_latitude":1.306,"elongation":2.594},{"offset_days":3,"type":"lunar","occurs":true,"moon_latitude":0.007,"opposition_distance":0.001}]},"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":"06:04","sunsetLocal":"18:13","solarNoonLocal":"12:08","dayLengthHours":12.145374458806778,"dayLengthDisplay":"12 Hours 08 Mins 43 Secs","nightLengthDisplay":"11 Hours 51 Mins 17 Secs","moonriseLocal":"16:11","moonsetLocal":"03:10","rahuKala":{"name":"Rāhu Kāla","start":"09:06","end":"10:37","startHours":9.105215818635553,"endHours":10.6233876259864,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"13:40","end":"15:11","startHours":13.659731240688094,"endHours":15.177903048038942,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"06:04","end":"07:35","startHours":6.068872203933858,"endHours":7.587044011284705,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:54","end":"09:18","startHours":8.902792910988772,"endHours":9.307638726282333,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:34","end":"06:54","startHours":6.574929473050807,"endHours":6.898806125285655,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:44","end":"12:33","startHours":11.736713618043687,"endHours":12.546405248630805,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:27","end":"05:16","startHours":4.449488942759621,"endHours":5.25918057334674,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:03","end":"06:04","startHours":5.05675766569996,"endHours":6.068872203933858,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:10","end":"14:59","startHours":14.165788509805044,"endHours":14.975480140392163,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:01","end":"18:25","startHours":18.014246662740636,"endHours":18.414246662740634,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:13","end":"18:43","startHours":18.214246662740635,"endHours":18.720303931857583,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:58","end":"19:43","startHours":17.964246662740635,"endHours":19.714246662740635,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:44","end":"00:33","startHours":23.736713618043687,"endHours":24.546405248630805,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Kāla","start":"06:04","end":"07:35","startHours":6.068872203933858,"endHours":7.587044011284705,"quality":"inauspicious"},{"name":"Śubha","start":"07:35","end":"09:06","startHours":7.587044011284705,"endHours":9.105215818635553,"quality":"auspicious"},{"name":"Roga","start":"09:06","end":"10:37","startHours":9.105215818635553,"endHours":10.6233876259864,"quality":"inauspicious"},{"name":"Udveg","start":"10:37","end":"12:08","startHours":10.6233876259864,"endHours":12.141559433337246,"quality":"inauspicious"},{"name":"Chala","start":"12:08","end":"13:40","startHours":12.141559433337246,"endHours":13.659731240688094,"quality":"neutral"},{"name":"Labha","start":"13:40","end":"15:11","startHours":13.659731240688094,"endHours":15.177903048038942,"quality":"auspicious"},{"name":"Amṛta","start":"15:11","end":"16:42","startHours":15.177903048038942,"endHours":16.69607485538979,"quality":"auspicious"},{"name":"Kāla","start":"16:42","end":"18:13","startHours":16.69607485538979,"endHours":18.214246662740635,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Labha","start":"18:13","end":"19:42","startHours":18.214246662740635,"endHours":19.69607485538979,"quality":"auspicious"},{"name":"Amṛta","start":"19:42","end":"21:11","startHours":19.69607485538979,"endHours":21.177903048038942,"quality":"auspicious"},{"name":"Kāla","start":"21:11","end":"22:40","startHours":21.177903048038942,"endHours":22.659731240688092,"quality":"inauspicious"},{"name":"Śubha","start":"22:40","end":"00:08","startHours":22.659731240688092,"endHours":24.141559433337246,"quality":"auspicious"},{"name":"Roga","start":"00:08","end":"01:37","startHours":24.141559433337246,"endHours":25.6233876259864,"quality":"inauspicious"},{"name":"Udveg","start":"01:37","end":"03:06","startHours":25.6233876259864,"endHours":27.10521581863555,"quality":"inauspicious"},{"name":"Chala","start":"03:06","end":"04:35","startHours":27.10521581863555,"endHours":28.587044011284704,"quality":"neutral"},{"name":"Labha","start":"04:35","end":"06:04","startHours":28.587044011284704,"endHours":30.068872203933857,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:04","end":"07:04","startHours":6.068872203933858,"endHours":7.068872203933858,"planetary_lord":"Saturn"},{"name":"Hora 2","start":"07:04","end":"08:04","startHours":7.068872203933858,"endHours":8.068872203933857,"planetary_lord":"Moon"},{"name":"Hora 3","start":"08:04","end":"09:04","startHours":8.068872203933857,"endHours":9.068872203933857,"planetary_lord":"Mercury"},{"name":"Hora 4","start":"09:04","end":"10:04","startHours":9.068872203933857,"endHours":10.068872203933857,"planetary_lord":"Venus"},{"name":"Hora 5","start":"10:04","end":"11:04","startHours":10.068872203933857,"endHours":11.068872203933857,"planetary_lord":"Sun"},{"name":"Hora 6","start":"11:04","end":"12:04","startHours":11.068872203933857,"endHours":12.068872203933857,"planetary_lord":"Mars"},{"name":"Hora 7","start":"12:04","end":"13:04","startHours":12.068872203933857,"endHours":13.068872203933857,"planetary_lord":"Jupiter"},{"name":"Hora 8","start":"13:04","end":"14:04","startHours":13.068872203933857,"endHours":14.068872203933857,"planetary_lord":"Saturn"},{"name":"Hora 9","start":"14:04","end":"15:04","startHours":14.068872203933857,"endHours":15.068872203933857,"planetary_lord":"Moon"},{"name":"Hora 10","start":"15:04","end":"16:04","startHours":15.068872203933857,"endHours":16.068872203933857,"planetary_lord":"Mercury"},{"name":"Hora 11","start":"16:04","end":"17:04","startHours":16.068872203933857,"endHours":17.068872203933857,"planetary_lord":"Venus"},{"name":"Hora 12","start":"17:04","end":"18:04","startHours":17.068872203933857,"endHours":18.068872203933857,"planetary_lord":"Sun"},{"name":"Hora 13","start":"18:04","end":"19:04","startHours":18.068872203933857,"endHours":19.068872203933857,"planetary_lord":"Mars"},{"name":"Hora 14","start":"19:04","end":"20:04","startHours":19.068872203933857,"endHours":20.068872203933857,"planetary_lord":"Jupiter"},{"name":"Hora 15","start":"20:04","end":"21:04","startHours":20.068872203933857,"endHours":21.068872203933857,"planetary_lord":"Saturn"},{"name":"Hora 16","start":"21:04","end":"22:04","startHours":21.068872203933857,"endHours":22.068872203933857,"planetary_lord":"Moon"},{"name":"Hora 17","start":"22:04","end":"23:04","startHours":22.068872203933857,"endHours":23.068872203933857,"planetary_lord":"Mercury"},{"name":"Hora 18","start":"23:04","end":"00:04","startHours":23.068872203933857,"endHours":24.068872203933857,"planetary_lord":"Venus"},{"name":"Hora 19","start":"00:04","end":"01:04","startHours":24.068872203933857,"endHours":25.068872203933857,"planetary_lord":"Sun"},{"name":"Hora 20","start":"01:04","end":"02:04","startHours":25.068872203933857,"endHours":26.068872203933857,"planetary_lord":"Mars"},{"name":"Hora 21","start":"02:04","end":"03:04","startHours":26.068872203933857,"endHours":27.068872203933857,"planetary_lord":"Jupiter"},{"name":"Hora 22","start":"03:04","end":"04:04","startHours":27.068872203933857,"endHours":28.068872203933857,"planetary_lord":"Saturn"},{"name":"Hora 23","start":"04:04","end":"05:04","startHours":28.068872203933857,"endHours":29.068872203933857,"planetary_lord":"Moon"},{"name":"Hora 24","start":"05:04","end":"06:04","startHours":29.068872203933857,"endHours":30.068872203933857,"planetary_lord":"Mercury"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Ārdrā","Punarvasu","Puṣya","Aśleṣā","Maghā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Mithuna","Karka","Tulā","Vṛścika","Makara","Mīna"],"unfavorable_rashis":["Meṣa","Vṛṣabha","Siṃha","Kanyā","Dhanu","Kumbha"]},"dishaShool":"East (Pūrva)","chandraVasa":"South-East","rahuVasa":"East","anandadiYoga":{"name":"Siddhi","quality":"Auspicious"},"tropicalRitu":"Varṣā (Monsoon)","vedicRitu":"Varṣā (Monsoon)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":0.22016709096650985,"eotMinutes":8.436033999765183,"ayanamsa":23.1647}},"calendars":{"vikram_samvat":2007,"vikram_samvatsara":"Śobhana","saka_samvat":1872,"saka_samvatsara":"Vikṛti","bengali_samvat":1357,"malayalam_era":1126,"nanakshahi_year":481,"lunar_month":"Bhādrapada","lunar_month_paksha_full":"Bhādrapada Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Bhādrapada","lunar_month_amanta":"Bhādrapada","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Kanyā (Puraṭṭāsi)","ritu":"Varṣā (Monsoon)","display_summary":"Bhādrapada Śukla Dvādaśī · Vikram 2007 Śobhana · Śaka 1872 Vikṛti"},"festivals":[{"id":"vamana-jayanti","name":"Vāmana Jayantī","name_sanskrit":"वामन जयन्ती","tradition":"Vaishnava","associated_deity":"Vāmana (5th daśāvatāra of Krishna)","deity_avatara_index":15,"significance":"Vāmana's three-step measure of all worlds; Bali's surrender. (= Onam in Kerala.)","vrata":true,"detection":{"tithi_number":12,"tithi_paksha":"Śukla","lunar_month":"Bhādrapada"},"precedence":2,"sources":["Bhāgavata 8.18-22"]}],"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 September 23, 1950 CE · Ṛṣikeśa · Vidhyamitra","description":"September 23, 1950 CE for Ṛṣikeśa: Śukla Dvādaśī, sūryodaya 06:04, sūryāsta 18:13.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/1950-09-23","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/1950-09-23","sa":"https://sa.vidhyamitra.com/city/rishikesh/1950-09-23","hi":"https://hi.vidhyamitra.com/city/rishikesh/1950-09-23","x-default":"https://vidhyamitra.com/city/rishikesh/1950-09-23"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T15:11:51.523Z","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":"2026-05-31T15:11:51.523Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T15:11:51.523Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}