{"id":"vidhyamitra:city-day:rishikesh:1947-01-28:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/1947-01-28","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1947-01-28","date_display":"January 28, 1947 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":1947,"month":1,"day":28,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2432213.770833,"kali_year":5048,"ahargana":1843748.2708,"sun":{"sidereal_longitude":284.2763,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":352.6038,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":6,"name":"Ṣaṣṭhī","paksha":"Śukla","full_name":"Śukla Ṣaṣṭhī","elongation_degrees":68.3275,"elapsed_within_tithi_degrees":8.3275},"nakshatra":{"number":27,"name":"Revatī","pada":2,"moon_longitude":352.6038,"elapsed_within_degrees":5.9371},"yoga":{"number":21,"name":"Siddha","sum_longitude":276.88},"karana":{"half_tithi_index":11,"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":1947,"month":1,"day":28,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2432213.770833,"ahargana":1843748.2708,"kali_year":5048,"ayanamsa_lahiri":23.1137,"grahas":{"sun":{"sidereal_longitude":284.1629049999999,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":2},"retrograde":false},"moon":{"sidereal_longitude":349.828405,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":1},"retrograde":false,"latitude":-3.7617},"mars":{"sidereal_longitude":279.650305,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":288.171205,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":212.78100500000005,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":16,"name":"Viśākhā","pada":4},"retrograde":false},"venus":{"sidereal_longitude":237.98250499999995,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":102.51550500000002,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":3},"retrograde":true},"rahu":{"sidereal_longitude":49.3439,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":229.3439,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","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":1947,"month":1,"day":28,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2432213.770833,"kali_year":5048,"ahargana":1843748.2708,"sun":{"sidereal_longitude":284.2763,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":352.6038,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":6,"name":"Ṣaṣṭhī","paksha":"Śukla","full_name":"Śukla Ṣaṣṭhī","elongation_degrees":68.3275,"elapsed_within_tithi_degrees":8.3275},"nakshatra":{"number":27,"name":"Revatī","pada":2,"moon_longitude":352.6038,"elapsed_within_degrees":5.9371},"yoga":{"number":21,"name":"Siddha","sum_longitude":276.88},"karana":{"half_tithi_index":11,"name":"Taitila"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-3.762,"elongation":68.328},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-3.762,"opposition_distance":111.672}},"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":"07:10","sunsetLocal":"17:49","solarNoonLocal":"12:30","dayLengthHours":10.65162901975387,"dayLengthDisplay":"10 Hours 39 Mins 06 Secs","nightLengthDisplay":"13 Hours 20 Mins 54 Secs","moonriseLocal":"10:38","moonsetLocal":"23:07","rahuKala":{"name":"Rāhu Kāla","start":"15:10","end":"16:30","startHours":15.16131112218623,"endHours":16.492764749655464,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"09:50","end":"11:10","startHours":9.835496612309296,"endHours":11.16695023977853,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"12:30","end":"13:50","startHours":12.498403867247763,"endHours":13.829857494716997,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:39","end":"10:01","startHours":9.657969461980066,"endHours":10.013023762638529,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:37","end":"07:54","startHours":7.6164072331939074,"endHours":7.900450673720678,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:09","end":"12:51","startHours":12.1433495665893,"endHours":12.853458167906226,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:45","end":"06:28","startHours":5.75237215473698,"endHours":6.462480756053905,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:17","end":"07:10","startHours":6.284953605724674,"endHours":7.172589357370829,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:16","end":"14:59","startHours":14.273675370540076,"endHours":14.983783971857001,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:37","end":"18:01","startHours":17.6242183771247,"endHours":18.024218377124697,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:49","end":"18:16","startHours":17.824218377124698,"endHours":18.268036252947777,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:34","end":"19:19","startHours":17.574218377124698,"endHours":19.324218377124698,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:09","end":"00:51","startHours":24.1433495665893,"endHours":24.853458167906226,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Roga","start":"07:10","end":"08:30","startHours":7.172589357370829,"endHours":8.504042984840062,"quality":"inauspicious"},{"name":"Udveg","start":"08:30","end":"09:50","startHours":8.504042984840062,"endHours":9.835496612309296,"quality":"inauspicious"},{"name":"Chala","start":"09:50","end":"11:10","startHours":9.835496612309296,"endHours":11.16695023977853,"quality":"neutral"},{"name":"Labha","start":"11:10","end":"12:30","startHours":11.16695023977853,"endHours":12.498403867247763,"quality":"auspicious"},{"name":"Amṛta","start":"12:30","end":"13:50","startHours":12.498403867247763,"endHours":13.829857494716997,"quality":"auspicious"},{"name":"Kāla","start":"13:50","end":"15:10","startHours":13.829857494716997,"endHours":15.16131112218623,"quality":"inauspicious"},{"name":"Śubha","start":"15:10","end":"16:30","startHours":15.16131112218623,"endHours":16.492764749655464,"quality":"auspicious"},{"name":"Roga","start":"16:30","end":"17:49","startHours":16.492764749655464,"endHours":17.824218377124698,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Kāla","start":"17:49","end":"19:30","startHours":17.824218377124698,"endHours":19.492764749655464,"quality":"inauspicious"},{"name":"Śubha","start":"19:30","end":"21:10","startHours":19.492764749655464,"endHours":21.16131112218623,"quality":"auspicious"},{"name":"Roga","start":"21:10","end":"22:50","startHours":21.16131112218623,"endHours":22.829857494716997,"quality":"inauspicious"},{"name":"Udveg","start":"22:50","end":"00:30","startHours":22.829857494716997,"endHours":24.498403867247763,"quality":"inauspicious"},{"name":"Chala","start":"00:30","end":"02:10","startHours":24.498403867247763,"endHours":26.16695023977853,"quality":"neutral"},{"name":"Labha","start":"02:10","end":"03:50","startHours":26.16695023977853,"endHours":27.835496612309296,"quality":"auspicious"},{"name":"Amṛta","start":"03:50","end":"05:30","startHours":27.835496612309296,"endHours":29.504042984840062,"quality":"auspicious"},{"name":"Kāla","start":"05:30","end":"07:10","startHours":29.504042984840062,"endHours":31.17258935737083,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"07:10","end":"08:10","startHours":7.172589357370829,"endHours":8.172589357370828,"planetary_lord":"Mars"},{"name":"Hora 2","start":"08:10","end":"09:10","startHours":8.172589357370828,"endHours":9.172589357370828,"planetary_lord":"Jupiter"},{"name":"Hora 3","start":"09:10","end":"10:10","startHours":9.172589357370828,"endHours":10.172589357370828,"planetary_lord":"Saturn"},{"name":"Hora 4","start":"10:10","end":"11:10","startHours":10.172589357370828,"endHours":11.172589357370828,"planetary_lord":"Moon"},{"name":"Hora 5","start":"11:10","end":"12:10","startHours":11.172589357370828,"endHours":12.172589357370828,"planetary_lord":"Mercury"},{"name":"Hora 6","start":"12:10","end":"13:10","startHours":12.172589357370828,"endHours":13.172589357370828,"planetary_lord":"Venus"},{"name":"Hora 7","start":"13:10","end":"14:10","startHours":13.172589357370828,"endHours":14.172589357370828,"planetary_lord":"Sun"},{"name":"Hora 8","start":"14:10","end":"15:10","startHours":14.172589357370828,"endHours":15.172589357370828,"planetary_lord":"Mars"},{"name":"Hora 9","start":"15:10","end":"16:10","startHours":15.172589357370828,"endHours":16.17258935737083,"planetary_lord":"Jupiter"},{"name":"Hora 10","start":"16:10","end":"17:10","startHours":16.17258935737083,"endHours":17.17258935737083,"planetary_lord":"Saturn"},{"name":"Hora 11","start":"17:10","end":"18:10","startHours":17.17258935737083,"endHours":18.17258935737083,"planetary_lord":"Moon"},{"name":"Hora 12","start":"18:10","end":"19:10","startHours":18.17258935737083,"endHours":19.17258935737083,"planetary_lord":"Mercury"},{"name":"Hora 13","start":"19:10","end":"20:10","startHours":19.17258935737083,"endHours":20.17258935737083,"planetary_lord":"Venus"},{"name":"Hora 14","start":"20:10","end":"21:10","startHours":20.17258935737083,"endHours":21.17258935737083,"planetary_lord":"Sun"},{"name":"Hora 15","start":"21:10","end":"22:10","startHours":21.17258935737083,"endHours":22.17258935737083,"planetary_lord":"Mars"},{"name":"Hora 16","start":"22:10","end":"23:10","startHours":22.17258935737083,"endHours":23.17258935737083,"planetary_lord":"Jupiter"},{"name":"Hora 17","start":"23:10","end":"00:10","startHours":23.17258935737083,"endHours":24.17258935737083,"planetary_lord":"Saturn"},{"name":"Hora 18","start":"00:10","end":"01:10","startHours":24.17258935737083,"endHours":25.17258935737083,"planetary_lord":"Moon"},{"name":"Hora 19","start":"01:10","end":"02:10","startHours":25.17258935737083,"endHours":26.17258935737083,"planetary_lord":"Mercury"},{"name":"Hora 20","start":"02:10","end":"03:10","startHours":26.17258935737083,"endHours":27.17258935737083,"planetary_lord":"Venus"},{"name":"Hora 21","start":"03:10","end":"04:10","startHours":27.17258935737083,"endHours":28.17258935737083,"planetary_lord":"Sun"},{"name":"Hora 22","start":"04:10","end":"05:10","startHours":28.17258935737083,"endHours":29.17258935737083,"planetary_lord":"Mars"},{"name":"Hora 23","start":"05:10","end":"06:10","startHours":29.17258935737083,"endHours":30.17258935737083,"planetary_lord":"Jupiter"},{"name":"Hora 24","start":"06:10","end":"07:10","startHours":30.17258935737083,"endHours":31.17258935737083,"planetary_lord":"Saturn"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā"],"unfavorable_nakshatras":["Ārdrā","Punarvasu","Puṣya","Aśleṣā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Vṛṣabha","Siṃha","Kanyā","Dhanu","Makara","Mīna"],"unfavorable_rashis":["Meṣa","Mithuna","Karka","Tulā","Vṛścika","Kumbha"]},"dishaShool":"North (Uttara)","chandraVasa":"South-West","rahuVasa":"North","anandadiYoga":{"name":"Dhvaja","quality":"Auspicious"},"drikRitu":"Śiśira (Winter) (Drik)","vedicRitu":"Hemanta (Pre-winter)","drikAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":-18.450425552417133,"eotMinutes":-12.974632034865841,"ayanamsa":23.1137}},"calendars":{"vikram_samvat":2004,"vikram_samvatsara":"Śārvarī","saka_samvat":1869,"saka_samvatsara":"Sarvajit","bengali_samvat":1354,"malayalam_era":1123,"nanakshahi_year":478,"lunar_month":"Māgha","lunar_month_paksha_full":"Māgha Śukla Pakṣa","solar_month":"Makara (Tai)","ritu":"Śiśira (Winter)","display_summary":"Māgha Śukla Ṣaṣṭhī · Vikram 2004 Śārvarī · Śaka 1869 Sarvajit"},"festivals":[{"id":"makara-sankranti","name":"Makara Saṅkrānti (Uttarāyaṇa)","name_sanskrit":"मकर सङ्क्रान्ति","tradition":"Pan-Hindu","associated_deity":"Sūrya Bhagavān","significance":"Sun enters Capricorn; Uttarāyaṇa (north-going) begins. Bhīṣma's chosen mahaprasthāna time.","vrata":true,"detection":{"sun_rashi":"Makara"},"precedence":1,"sources":["Mahābhārata Bhīṣma-Stuti","Sūrya-Siddhānta"]},{"id":"pongal","name":"Pongal / Thai Pongal","name_sanskrit":"पोङ्गल","tradition":"Regional","associated_deity":"Sūrya Bhagavān","significance":"Tamil 4-day harvest festival; coincides with Makara Saṅkrānti.","vrata":false,"detection":{"sun_rashi":"Makara"},"precedence":2}],"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":[]},"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 January 28, 1947 CE · Ṛṣikeśa · Vidhyamitra","description":"January 28, 1947 CE for Ṛṣikeśa: Śukla Ṣaṣṭhī, sūryodaya 07:10, sūryāsta 17:49.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/1947-01-28","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/1947-01-28","sa":"https://sa.vidhyamitra.com/city/rishikesh/1947-01-28","hi":"https://hi.vidhyamitra.com/city/rishikesh/1947-01-28","x-default":"https://vidhyamitra.com/city/rishikesh/1947-01-28"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-22T03:11:57.231Z","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":"2026-05-22T03:11:57.231Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-22T03:11:57.231Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}