{"id":"vidhyamitra:city-day:rishikesh:1924-12-15:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/1924-12-15","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1924-12-15","date_display":"December 15, 1924 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":1924,"month":12,"day":15,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2424134.770833,"kali_year":5026,"ahargana":1835669.2708,"sun":{"sidereal_longitude":239.8057,"rashi":8,"rashi_name":"Vṛścika"},"moon":{"sidereal_longitude":103.7775,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":19,"name":"Caturthī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Caturthī","elongation_degrees":223.9718,"elapsed_within_tithi_degrees":7.9718},"nakshatra":{"number":8,"name":"Puṣya","pada":4,"moon_longitude":103.7775,"elapsed_within_degrees":10.4442},"yoga":{"number":26,"name":"Indra","sum_longitude":343.5832},"karana":{"half_tithi_index":37,"name":"Bālava"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"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":1924,"month":12,"day":15,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2424134.770833,"ahargana":1835669.2708,"kali_year":5026,"ayanamsa_lahiri":22.8047,"grahas":{"sun":{"sidereal_longitude":240.00568299999998,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":1},"retrograde":false},"moon":{"sidereal_longitude":100.62238300000001,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":3},"retrograde":false,"latitude":-1.0595},"mars":{"sidereal_longitude":335.616583,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":260.68828299999996,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":248.12668299999996,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":3},"retrograde":false},"venus":{"sidereal_longitude":209.83918300000005,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":197.925383,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":4},"retrograde":false},"rahu":{"sidereal_longitude":117.4082,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Āśleṣā","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":297.4082,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","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":1924,"month":12,"day":15,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2424134.770833,"kali_year":5026,"ahargana":1835669.2708,"sun":{"sidereal_longitude":239.8057,"rashi":8,"rashi_name":"Vṛścika"},"moon":{"sidereal_longitude":103.7775,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":19,"name":"Caturthī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Caturthī","elongation_degrees":223.9718,"elapsed_within_tithi_degrees":7.9718},"nakshatra":{"number":8,"name":"Puṣya","pada":4,"moon_longitude":103.7775,"elapsed_within_degrees":10.4442},"yoga":{"number":26,"name":"Indra","sum_longitude":343.5832},"karana":{"half_tithi_index":37,"name":"Bālava"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-1.059,"elongation":136.028},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-1.059,"opposition_distance":43.972}},"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":"07:06","sunsetLocal":"17:19","solarNoonLocal":"12:13","dayLengthHours":10.222899684462412,"dayLengthDisplay":"10 Hours 13 Mins 22 Secs","nightLengthDisplay":"13 Hours 46 Mins 38 Secs","moonriseLocal":"20:05","moonsetLocal":"09:45","rahuKala":{"name":"Rāhu Kāla","start":"08:23","end":"09:39","startHours":8.37894036776706,"endHours":9.65680282832486,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"10:56","end":"12:13","startHours":10.934665288882663,"endHours":12.212527749440465,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"13:29","end":"14:46","startHours":13.490390209998266,"endHours":14.768252670556066,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:29","end":"09:50","startHours":9.486421166917154,"endHours":9.827184489732568,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:32","end":"07:48","startHours":7.5270320607285255,"endHours":7.799642718980857,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:52","end":"12:33","startHours":11.87176442662505,"endHours":12.55329107225588,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:44","end":"06:25","startHours":5.738024615947603,"endHours":6.41955126157843,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:15","end":"07:06","startHours":6.249169600170724,"endHours":7.101077907209258,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:55","end":"14:36","startHours":13.916344363517531,"endHours":14.597871009148358,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:07","end":"17:31","startHours":17.12397759167167,"endHours":17.52397759167167,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:19","end":"17:45","startHours":17.32397759167167,"endHours":17.74993174519094,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:04","end":"18:49","startHours":17.07397759167167,"endHours":18.82397759167167,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:52","end":"00:33","startHours":23.871764426625052,"endHours":24.553291072255877,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Amṛta","start":"07:06","end":"08:23","startHours":7.101077907209258,"endHours":8.37894036776706,"quality":"auspicious"},{"name":"Kāla","start":"08:23","end":"09:39","startHours":8.37894036776706,"endHours":9.65680282832486,"quality":"inauspicious"},{"name":"Śubha","start":"09:39","end":"10:56","startHours":9.65680282832486,"endHours":10.934665288882663,"quality":"auspicious"},{"name":"Roga","start":"10:56","end":"12:13","startHours":10.934665288882663,"endHours":12.212527749440465,"quality":"inauspicious"},{"name":"Udveg","start":"12:13","end":"13:29","startHours":12.212527749440465,"endHours":13.490390209998266,"quality":"inauspicious"},{"name":"Chala","start":"13:29","end":"14:46","startHours":13.490390209998266,"endHours":14.768252670556066,"quality":"neutral"},{"name":"Labha","start":"14:46","end":"16:03","startHours":14.768252670556066,"endHours":16.04611513111387,"quality":"auspicious"},{"name":"Amṛta","start":"16:03","end":"17:19","startHours":16.04611513111387,"endHours":17.32397759167167,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Chala","start":"17:19","end":"19:03","startHours":17.32397759167167,"endHours":19.04611513111387,"quality":"neutral"},{"name":"Labha","start":"19:03","end":"20:46","startHours":19.04611513111387,"endHours":20.768252670556066,"quality":"auspicious"},{"name":"Amṛta","start":"20:46","end":"22:29","startHours":20.768252670556066,"endHours":22.490390209998267,"quality":"auspicious"},{"name":"Kāla","start":"22:29","end":"00:13","startHours":22.490390209998267,"endHours":24.212527749440465,"quality":"inauspicious"},{"name":"Śubha","start":"00:13","end":"01:56","startHours":24.212527749440465,"endHours":25.934665288882663,"quality":"auspicious"},{"name":"Roga","start":"01:56","end":"03:39","startHours":25.934665288882663,"endHours":27.656802828324864,"quality":"inauspicious"},{"name":"Udveg","start":"03:39","end":"05:23","startHours":27.656802828324864,"endHours":29.37894036776706,"quality":"inauspicious"},{"name":"Chala","start":"05:23","end":"07:06","startHours":29.37894036776706,"endHours":31.10107790720926,"quality":"neutral"}],"horas":[{"name":"Hora 1","start":"07:06","end":"08:06","startHours":7.101077907209258,"endHours":8.101077907209259,"planetary_lord":"Moon"},{"name":"Hora 2","start":"08:06","end":"09:06","startHours":8.101077907209259,"endHours":9.101077907209259,"planetary_lord":"Mercury"},{"name":"Hora 3","start":"09:06","end":"10:06","startHours":9.101077907209259,"endHours":10.101077907209259,"planetary_lord":"Venus"},{"name":"Hora 4","start":"10:06","end":"11:06","startHours":10.101077907209259,"endHours":11.101077907209259,"planetary_lord":"Sun"},{"name":"Hora 5","start":"11:06","end":"12:06","startHours":11.101077907209259,"endHours":12.101077907209259,"planetary_lord":"Mars"},{"name":"Hora 6","start":"12:06","end":"13:06","startHours":12.101077907209259,"endHours":13.101077907209259,"planetary_lord":"Jupiter"},{"name":"Hora 7","start":"13:06","end":"14:06","startHours":13.101077907209259,"endHours":14.101077907209259,"planetary_lord":"Saturn"},{"name":"Hora 8","start":"14:06","end":"15:06","startHours":14.101077907209259,"endHours":15.101077907209259,"planetary_lord":"Moon"},{"name":"Hora 9","start":"15:06","end":"16:06","startHours":15.101077907209259,"endHours":16.10107790720926,"planetary_lord":"Mercury"},{"name":"Hora 10","start":"16:06","end":"17:06","startHours":16.10107790720926,"endHours":17.10107790720926,"planetary_lord":"Venus"},{"name":"Hora 11","start":"17:06","end":"18:06","startHours":17.10107790720926,"endHours":18.10107790720926,"planetary_lord":"Sun"},{"name":"Hora 12","start":"18:06","end":"19:06","startHours":18.10107790720926,"endHours":19.10107790720926,"planetary_lord":"Mars"},{"name":"Hora 13","start":"19:06","end":"20:06","startHours":19.10107790720926,"endHours":20.10107790720926,"planetary_lord":"Jupiter"},{"name":"Hora 14","start":"20:06","end":"21:06","startHours":20.10107790720926,"endHours":21.10107790720926,"planetary_lord":"Saturn"},{"name":"Hora 15","start":"21:06","end":"22:06","startHours":21.10107790720926,"endHours":22.10107790720926,"planetary_lord":"Moon"},{"name":"Hora 16","start":"22:06","end":"23:06","startHours":22.10107790720926,"endHours":23.10107790720926,"planetary_lord":"Mercury"},{"name":"Hora 17","start":"23:06","end":"00:06","startHours":23.10107790720926,"endHours":24.10107790720926,"planetary_lord":"Venus"},{"name":"Hora 18","start":"00:06","end":"01:06","startHours":24.10107790720926,"endHours":25.10107790720926,"planetary_lord":"Sun"},{"name":"Hora 19","start":"01:06","end":"02:06","startHours":25.10107790720926,"endHours":26.10107790720926,"planetary_lord":"Mars"},{"name":"Hora 20","start":"02:06","end":"03:06","startHours":26.10107790720926,"endHours":27.10107790720926,"planetary_lord":"Jupiter"},{"name":"Hora 21","start":"03:06","end":"04:06","startHours":27.10107790720926,"endHours":28.10107790720926,"planetary_lord":"Saturn"},{"name":"Hora 22","start":"04:06","end":"05:06","startHours":28.10107790720926,"endHours":29.10107790720926,"planetary_lord":"Moon"},{"name":"Hora 23","start":"05:06","end":"06:06","startHours":29.10107790720926,"endHours":30.10107790720926,"planetary_lord":"Mercury"},{"name":"Hora 24","start":"06:06","end":"07:06","startHours":30.10107790720926,"endHours":31.10107790720926,"planetary_lord":"Venus"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Revatī"],"unfavorable_nakshatras":["Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Citrā","Svātī","Viśākhā","Anurādhā","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Vṛṣabha","Karka","Kanyā","Dhanu","Makara"],"unfavorable_rashis":["Mithuna","Siṃha","Tulā","Vṛścika","Kumbha","Mīna"]},"dishaShool":"East (Pūrva)","chandraVasa":"South-West","rahuVasa":"North-East","anandadiYoga":{"name":"Maitra","quality":"Auspicious"},"tropicalRitu":"Hemanta (Pre-winter)","vedicRitu":"Hemanta (Pre-winter)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-23.241356727441957,"eotMinutes":4.177935033572184,"ayanamsa":22.8047}},"calendars":{"vikram_samvat":1981,"vikram_samvatsara":"Īśvara","saka_samvat":1846,"saka_samvatsara":"Raktākṣī","bengali_samvat":1331,"malayalam_era":1100,"nanakshahi_year":455,"lunar_month":"Pauṣa","lunar_month_paksha_full":"Pauṣa Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Pauṣa","lunar_month_amanta":"Mārgaśīrṣa","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Dhanus (Mārgaḻi)","ritu":"Hemanta (Pre-winter)","display_summary":"Pauṣa Kṛṣṇa Caturthī · Vikram 1981 Īśvara · Śaka 1846 Raktākṣī"},"festivals":[{"id":"dhanu-sankranti","name":"Dhanu Saṅkrānti","name_sanskrit":"धनु सङ्क्रान्ति","tradition":"Pan-Hindu","significance":"Sun enters Sagittarius; Dhanu-māsa (Khara-māsa).","vrata":false,"detection":{"sun_rashi_ingress":"Dhanu"},"precedence":5},{"id":"sankashti-chaturthi","name":"Saṅkaṣṭī Caturthī","name_sanskrit":"सङ्कष्टी चतुर्थी","tradition":"Pan-Hindu","associated_deity":"Gaṇeśa","significance":"Monthly Gaṇeśa vrata.","vrata":true,"detection":{"tithi_number":19,"tithi_paksha":"Kṛṣṇa"},"precedence":6}],"todays_walk":{"walk":{"id":"chandra-walk","name":"Candra Walk","name_sanskrit":"चन्द्र यात्रा","type":"graha","description":"Manas-control + BG 6.5-7.","step_count":5,"url":"/walk/chandra-walk"},"reason":"Somavāra (Monday) — 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 December 15, 1924 CE · Ṛṣikeśa · Vidhyamitra","description":"December 15, 1924 CE for Ṛṣikeśa: Kṛṣṇa Caturthī, sūryodaya 07:06, sūryāsta 17:19.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/1924-12-15","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/1924-12-15","sa":"https://sa.vidhyamitra.com/city/rishikesh/1924-12-15","hi":"https://hi.vidhyamitra.com/city/rishikesh/1924-12-15","x-default":"https://vidhyamitra.com/city/rishikesh/1924-12-15"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-01T05:34:31.658Z","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":"2026-06-01T05:34:31.658Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-01T05:34:31.658Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}