{"id":"vidhyamitra:city-day:rishikesh:1939-09-15:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/1939-09-15","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1939-09-15","date_display":"September 15, 1939 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":1939,"month":9,"day":15,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2429521.770833,"kali_year":5041,"ahargana":1841056.2708,"sun":{"sidereal_longitude":147.7108,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":169.092,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":2,"name":"Dvitīyā","paksha":"Śukla","full_name":"Śukla Dvitīyā","elongation_degrees":21.3812,"elapsed_within_tithi_degrees":9.3812},"nakshatra":{"number":13,"name":"Hasta","pada":3,"moon_longitude":169.092,"elapsed_within_degrees":9.092},"yoga":{"number":24,"name":"Śukla","sum_longitude":316.8028},"karana":{"half_tithi_index":3,"name":"Kaulava"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"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":1939,"month":9,"day":15,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2429521.770833,"ahargana":1841056.2708,"kali_year":5041,"ayanamsa_lahiri":23.0107,"grahas":{"sun":{"sidereal_longitude":148.29175999999995,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":1},"retrograde":false},"moon":{"sidereal_longitude":170.13986,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":4},"retrograde":false,"latitude":-1.7486},"mars":{"sidereal_longitude":274.92346,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":142.43606,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":343.09056,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":3},"retrograde":true},"venus":{"sidereal_longitude":151.64556,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":7.8286600000000135,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":3},"retrograde":true},"rahu":{"sidereal_longitude":191.979,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":11.979,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","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":1939,"month":9,"day":15,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2429521.770833,"kali_year":5041,"ahargana":1841056.2708,"sun":{"sidereal_longitude":147.7108,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":169.092,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":2,"name":"Dvitīyā","paksha":"Śukla","full_name":"Śukla Dvitīyā","elongation_degrees":21.3812,"elapsed_within_tithi_degrees":9.3812},"nakshatra":{"number":13,"name":"Hasta","pada":3,"moon_longitude":169.092,"elapsed_within_degrees":9.092},"yoga":{"number":24,"name":"Śukla","sum_longitude":316.8028},"karana":{"half_tithi_index":3,"name":"Kaulava"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-1.749,"elongation":21.381},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-1.749,"opposition_distance":158.619}},"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":"06:00","sunsetLocal":"18:23","solarNoonLocal":"12:11","dayLengthHours":12.395453930532678,"dayLengthDisplay":"12 Hours 23 Mins 44 Secs","nightLengthDisplay":"11 Hours 36 Mins 16 Secs","moonriseLocal":"07:48","moonsetLocal":"19:29","rahuKala":{"name":"Rāhu Kāla","start":"10:38","end":"12:11","startHours":10.641117038960044,"endHours":12.190548780276629,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"15:17","end":"16:50","startHours":15.289412262909796,"endHours":16.83884400422638,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"07:33","end":"09:06","startHours":7.542253556326873,"endHours":9.091685297643458,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:53","end":"09:18","startHours":8.885094398801247,"endHours":9.29827619648567,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:31","end":"06:50","startHours":6.509299062115817,"endHours":6.839844500263355,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:47","end":"12:36","startHours":11.777366982592204,"endHours":12.60373057796105,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:20","end":"05:10","startHours":4.340094624272599,"endHours":5.166458219641443,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:58","end":"06:00","startHours":4.9598673207992325,"endHours":5.992821815010289,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:15","end":"15:05","startHours":14.256457768698741,"endHours":15.082821364067586,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:11","end":"18:35","startHours":18.188275745542967,"endHours":18.588275745542965,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:23","end":"18:54","startHours":18.388275745542966,"endHours":18.904752992648493,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:08","end":"19:53","startHours":18.138275745542966,"endHours":19.888275745542966,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:47","end":"00:36","startHours":23.777366982592206,"endHours":24.603730577961052,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Chala","start":"06:00","end":"07:33","startHours":5.992821815010289,"endHours":7.542253556326873,"quality":"neutral"},{"name":"Labha","start":"07:33","end":"09:06","startHours":7.542253556326873,"endHours":9.091685297643458,"quality":"auspicious"},{"name":"Amṛta","start":"09:06","end":"10:38","startHours":9.091685297643458,"endHours":10.641117038960044,"quality":"auspicious"},{"name":"Kāla","start":"10:38","end":"12:11","startHours":10.641117038960044,"endHours":12.190548780276629,"quality":"inauspicious"},{"name":"Śubha","start":"12:11","end":"13:44","startHours":12.190548780276629,"endHours":13.739980521593214,"quality":"auspicious"},{"name":"Roga","start":"13:44","end":"15:17","startHours":13.739980521593214,"endHours":15.289412262909796,"quality":"inauspicious"},{"name":"Udveg","start":"15:17","end":"16:50","startHours":15.289412262909796,"endHours":16.83884400422638,"quality":"inauspicious"},{"name":"Chala","start":"16:50","end":"18:23","startHours":16.83884400422638,"endHours":18.388275745542966,"quality":"neutral"}],"nightChoghadiyas":[{"name":"Roga","start":"18:23","end":"19:50","startHours":18.388275745542966,"endHours":19.83884400422638,"quality":"inauspicious"},{"name":"Udveg","start":"19:50","end":"21:17","startHours":19.83884400422638,"endHours":21.289412262909796,"quality":"inauspicious"},{"name":"Chala","start":"21:17","end":"22:44","startHours":21.289412262909796,"endHours":22.73998052159321,"quality":"neutral"},{"name":"Labha","start":"22:44","end":"00:11","startHours":22.73998052159321,"endHours":24.19054878027663,"quality":"auspicious"},{"name":"Amṛta","start":"00:11","end":"01:38","startHours":24.19054878027663,"endHours":25.64111703896004,"quality":"auspicious"},{"name":"Kāla","start":"01:38","end":"03:06","startHours":25.64111703896004,"endHours":27.09168529764346,"quality":"inauspicious"},{"name":"Śubha","start":"03:06","end":"04:33","startHours":27.09168529764346,"endHours":28.542253556326873,"quality":"auspicious"},{"name":"Roga","start":"04:33","end":"06:00","startHours":28.542253556326873,"endHours":29.992821815010288,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"06:00","end":"07:00","startHours":5.992821815010289,"endHours":6.992821815010289,"planetary_lord":"Venus"},{"name":"Hora 2","start":"07:00","end":"08:00","startHours":6.992821815010289,"endHours":7.992821815010289,"planetary_lord":"Sun"},{"name":"Hora 3","start":"08:00","end":"09:00","startHours":7.992821815010289,"endHours":8.992821815010288,"planetary_lord":"Mars"},{"name":"Hora 4","start":"09:00","end":"10:00","startHours":8.992821815010288,"endHours":9.992821815010288,"planetary_lord":"Jupiter"},{"name":"Hora 5","start":"10:00","end":"11:00","startHours":9.992821815010288,"endHours":10.992821815010288,"planetary_lord":"Saturn"},{"name":"Hora 6","start":"11:00","end":"12:00","startHours":10.992821815010288,"endHours":11.992821815010288,"planetary_lord":"Moon"},{"name":"Hora 7","start":"12:00","end":"13:00","startHours":11.992821815010288,"endHours":12.992821815010288,"planetary_lord":"Mercury"},{"name":"Hora 8","start":"13:00","end":"14:00","startHours":12.992821815010288,"endHours":13.992821815010288,"planetary_lord":"Venus"},{"name":"Hora 9","start":"14:00","end":"15:00","startHours":13.992821815010288,"endHours":14.992821815010288,"planetary_lord":"Sun"},{"name":"Hora 10","start":"15:00","end":"16:00","startHours":14.992821815010288,"endHours":15.992821815010288,"planetary_lord":"Mars"},{"name":"Hora 11","start":"16:00","end":"17:00","startHours":15.992821815010288,"endHours":16.992821815010288,"planetary_lord":"Jupiter"},{"name":"Hora 12","start":"17:00","end":"18:00","startHours":16.992821815010288,"endHours":17.992821815010288,"planetary_lord":"Saturn"},{"name":"Hora 13","start":"18:00","end":"19:00","startHours":17.992821815010288,"endHours":18.992821815010288,"planetary_lord":"Moon"},{"name":"Hora 14","start":"19:00","end":"20:00","startHours":18.992821815010288,"endHours":19.992821815010288,"planetary_lord":"Mercury"},{"name":"Hora 15","start":"20:00","end":"21:00","startHours":19.992821815010288,"endHours":20.992821815010288,"planetary_lord":"Venus"},{"name":"Hora 16","start":"21:00","end":"22:00","startHours":20.992821815010288,"endHours":21.992821815010288,"planetary_lord":"Sun"},{"name":"Hora 17","start":"22:00","end":"23:00","startHours":21.992821815010288,"endHours":22.992821815010288,"planetary_lord":"Mars"},{"name":"Hora 18","start":"23:00","end":"00:00","startHours":22.992821815010288,"endHours":23.992821815010288,"planetary_lord":"Jupiter"},{"name":"Hora 19","start":"00:00","end":"01:00","startHours":23.992821815010288,"endHours":24.992821815010288,"planetary_lord":"Saturn"},{"name":"Hora 20","start":"01:00","end":"02:00","startHours":24.992821815010288,"endHours":25.992821815010288,"planetary_lord":"Moon"},{"name":"Hora 21","start":"02:00","end":"03:00","startHours":25.992821815010288,"endHours":26.992821815010288,"planetary_lord":"Mercury"},{"name":"Hora 22","start":"03:00","end":"04:00","startHours":26.992821815010288,"endHours":27.992821815010288,"planetary_lord":"Venus"},{"name":"Hora 23","start":"04:00","end":"05:00","startHours":27.992821815010288,"endHours":28.992821815010288,"planetary_lord":"Sun"},{"name":"Hora 24","start":"05:00","end":"06:00","startHours":28.992821815010288,"endHours":29.992821815010288,"planetary_lord":"Mars"}],"taraBala":{"favorable_nakshatras":["Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Aśleṣā","Citrā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Mithuna","Karka","Kanyā","Vṛścika","Kumbha","Mīna"],"unfavorable_rashis":["Meṣa","Vṛṣabha","Siṃha","Tulā","Dhanu","Makara"]},"dishaShool":"West (Paścim)","chandraVasa":"North-West","rahuVasa":"South-East","anandadiYoga":{"name":"Saumya","quality":"Auspicious"},"tropicalRitu":"Varṣā (Monsoon) (tropical)","vedicRitu":"Varṣā (Monsoon)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":3.4481045795872474,"eotMinutes":5.496673183402374,"ayanamsa":23.0107}},"calendars":{"vikram_samvat":1996,"vikram_samvatsara":"Nandana","saka_samvat":1861,"saka_samvatsara":"Pramāthi","bengali_samvat":1346,"malayalam_era":1115,"nanakshahi_year":470,"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":"Siṃha (Āvaṇi)","ritu":"Varṣā (Monsoon)","display_summary":"Bhādrapada Śukla Dvitīyā · Vikram 1996 Nandana · Śaka 1861 Pramāthi"},"festivals":[],"todays_walk":{"walk":{"id":"shukra-walk","name":"Śukra Walk","name_sanskrit":"शुक्र यात्रा","type":"graha","description":"Beauty + creativity in dharma + BG 10.36.","step_count":5,"url":"/walk/shukra-walk"},"reason":"Śukravāra (Friday) — 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 15, 1939 CE · Ṛṣikeśa · Vidhyamitra","description":"September 15, 1939 CE for Ṛṣikeśa: Śukla Dvitīyā, sūryodaya 06:00, sūryāsta 18:23.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/1939-09-15","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/1939-09-15","sa":"https://sa.vidhyamitra.com/city/rishikesh/1939-09-15","hi":"https://hi.vidhyamitra.com/city/rishikesh/1939-09-15","x-default":"https://vidhyamitra.com/city/rishikesh/1939-09-15"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-02T06:35:11.454Z","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":"2026-06-02T06:35:11.454Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-02T06:35:11.454Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}