{"id":"vidhyamitra:city-day:rishikesh:1870-03-15:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/1870-03-15","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1870-03-15","date_display":"March 15, 1870 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":1870,"month":3,"day":15,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2404136.770833,"kali_year":4971,"ahargana":1815671.2708,"sun":{"sidereal_longitude":332.7212,"rashi":12,"rashi_name":"Mīna"},"moon":{"sidereal_longitude":118.7486,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":13,"name":"Trayodaśī","paksha":"Śukla","full_name":"Śukla Trayodaśī","elongation_degrees":146.0274,"elapsed_within_tithi_degrees":2.0274},"nakshatra":{"number":9,"name":"Āśleṣā","pada":4,"moon_longitude":118.7486,"elapsed_within_degrees":12.0819},"yoga":{"number":7,"name":"Sukarma","sum_longitude":91.4698},"karana":{"half_tithi_index":24,"name":"Kaulava"},"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":1870,"month":3,"day":15,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2404136.770833,"ahargana":1815671.2708,"kali_year":4971,"ayanamsa_lahiri":22.0398,"grahas":{"sun":{"sidereal_longitude":332.24245299999995,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":4},"retrograde":false},"moon":{"sidereal_longitude":117.34005300000001,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":4},"retrograde":false,"latitude":1.666},"mars":{"sidereal_longitude":333.59115299999996,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":310.55775300000005,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":27.863853000000006,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":1},"retrograde":false},"venus":{"sidereal_longitude":306.7240529999999,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":247.07325300000002,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":3},"retrograde":false},"rahu":{"sidereal_longitude":96.9984,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":276.9984,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","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":1870,"month":3,"day":15,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2404136.770833,"kali_year":4971,"ahargana":1815671.2708,"sun":{"sidereal_longitude":332.7212,"rashi":12,"rashi_name":"Mīna"},"moon":{"sidereal_longitude":118.7486,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":13,"name":"Trayodaśī","paksha":"Śukla","full_name":"Śukla Trayodaśī","elongation_degrees":146.0274,"elapsed_within_tithi_degrees":2.0274},"nakshatra":{"number":9,"name":"Āśleṣā","pada":4,"moon_longitude":118.7486,"elapsed_within_degrees":12.0819},"yoga":{"number":7,"name":"Sukarma","sum_longitude":91.4698},"karana":{"half_tithi_index":24,"name":"Kaulava"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":1.666,"elongation":146.027},"lunar":{"type":"lunar","occurs":false,"moon_latitude":1.666,"opposition_distance":33.973}},"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":"06:28","sunsetLocal":"18:25","solarNoonLocal":"12:27","dayLengthHours":11.952934338762237,"dayLengthDisplay":"11 Hours 57 Mins 11 Secs","nightLengthDisplay":"12 Hours 02 Mins 49 Secs","moonriseLocal":"15:28","moonsetLocal":"04:46","rahuKala":{"name":"Rāhu Kāla","start":"15:26","end":"16:56","startHours":15.431240018244502,"endHours":16.925356810589783,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"09:27","end":"10:57","startHours":9.454772848863382,"endHours":10.948889641208662,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"12:27","end":"13:56","startHours":12.443006433553942,"endHours":13.93712322589922,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:15","end":"09:39","startHours":9.255557276550679,"endHours":9.653988421176086,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:58","end":"07:17","startHours":6.9645781949545835,"endHours":7.28332311065491,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:03","end":"12:50","startHours":12.044575288928534,"endHours":12.841437578179349,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:52","end":"05:40","startHours":4.872814685671192,"endHours":5.669676974922007,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:28","end":"06:28","startHours":5.4704614026093035,"endHours":6.466539264172823,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:26","end":"15:14","startHours":14.435162156680981,"endHours":15.232024445931797,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:13","end":"18:37","startHours":18.21947360293506,"endHours":18.61947360293506,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:25","end":"18:55","startHours":18.41947360293506,"endHours":18.91751253371682,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:10","end":"19:55","startHours":18.16947360293506,"endHours":19.91947360293506,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:03","end":"00:50","startHours":24.04457528892853,"endHours":24.84143757817935,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Roga","start":"06:28","end":"07:58","startHours":6.466539264172823,"endHours":7.960656056518102,"quality":"inauspicious"},{"name":"Udveg","start":"07:58","end":"09:27","startHours":7.960656056518102,"endHours":9.454772848863382,"quality":"inauspicious"},{"name":"Chala","start":"09:27","end":"10:57","startHours":9.454772848863382,"endHours":10.948889641208662,"quality":"neutral"},{"name":"Labha","start":"10:57","end":"12:27","startHours":10.948889641208662,"endHours":12.443006433553942,"quality":"auspicious"},{"name":"Amṛta","start":"12:27","end":"13:56","startHours":12.443006433553942,"endHours":13.93712322589922,"quality":"auspicious"},{"name":"Kāla","start":"13:56","end":"15:26","startHours":13.93712322589922,"endHours":15.431240018244502,"quality":"inauspicious"},{"name":"Śubha","start":"15:26","end":"16:56","startHours":15.431240018244502,"endHours":16.925356810589783,"quality":"auspicious"},{"name":"Roga","start":"16:56","end":"18:25","startHours":16.925356810589783,"endHours":18.41947360293506,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Kāla","start":"18:25","end":"19:56","startHours":18.41947360293506,"endHours":19.92535681058978,"quality":"inauspicious"},{"name":"Śubha","start":"19:56","end":"21:26","startHours":19.92535681058978,"endHours":21.4312400182445,"quality":"auspicious"},{"name":"Roga","start":"21:26","end":"22:56","startHours":21.4312400182445,"endHours":22.93712322589922,"quality":"inauspicious"},{"name":"Udveg","start":"22:56","end":"00:27","startHours":22.93712322589922,"endHours":24.44300643355394,"quality":"inauspicious"},{"name":"Chala","start":"00:27","end":"01:57","startHours":24.44300643355394,"endHours":25.948889641208662,"quality":"neutral"},{"name":"Labha","start":"01:57","end":"03:27","startHours":25.948889641208662,"endHours":27.45477284886338,"quality":"auspicious"},{"name":"Amṛta","start":"03:27","end":"04:58","startHours":27.45477284886338,"endHours":28.960656056518104,"quality":"auspicious"},{"name":"Kāla","start":"04:58","end":"06:28","startHours":28.960656056518104,"endHours":30.466539264172823,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"06:28","end":"07:28","startHours":6.466539264172823,"endHours":7.466539264172823,"planetary_lord":"Mars"},{"name":"Hora 2","start":"07:28","end":"08:28","startHours":7.466539264172823,"endHours":8.466539264172823,"planetary_lord":"Jupiter"},{"name":"Hora 3","start":"08:28","end":"09:28","startHours":8.466539264172823,"endHours":9.466539264172823,"planetary_lord":"Saturn"},{"name":"Hora 4","start":"09:28","end":"10:28","startHours":9.466539264172823,"endHours":10.466539264172823,"planetary_lord":"Moon"},{"name":"Hora 5","start":"10:28","end":"11:28","startHours":10.466539264172823,"endHours":11.466539264172823,"planetary_lord":"Mercury"},{"name":"Hora 6","start":"11:28","end":"12:28","startHours":11.466539264172823,"endHours":12.466539264172823,"planetary_lord":"Venus"},{"name":"Hora 7","start":"12:28","end":"13:28","startHours":12.466539264172823,"endHours":13.466539264172823,"planetary_lord":"Sun"},{"name":"Hora 8","start":"13:28","end":"14:28","startHours":13.466539264172823,"endHours":14.466539264172823,"planetary_lord":"Mars"},{"name":"Hora 9","start":"14:28","end":"15:28","startHours":14.466539264172823,"endHours":15.466539264172823,"planetary_lord":"Jupiter"},{"name":"Hora 10","start":"15:28","end":"16:28","startHours":15.466539264172823,"endHours":16.466539264172823,"planetary_lord":"Saturn"},{"name":"Hora 11","start":"16:28","end":"17:28","startHours":16.466539264172823,"endHours":17.466539264172823,"planetary_lord":"Moon"},{"name":"Hora 12","start":"17:28","end":"18:28","startHours":17.466539264172823,"endHours":18.466539264172823,"planetary_lord":"Mercury"},{"name":"Hora 13","start":"18:28","end":"19:28","startHours":18.466539264172823,"endHours":19.466539264172823,"planetary_lord":"Venus"},{"name":"Hora 14","start":"19:28","end":"20:28","startHours":19.466539264172823,"endHours":20.466539264172823,"planetary_lord":"Sun"},{"name":"Hora 15","start":"20:28","end":"21:28","startHours":20.466539264172823,"endHours":21.466539264172823,"planetary_lord":"Mars"},{"name":"Hora 16","start":"21:28","end":"22:28","startHours":21.466539264172823,"endHours":22.466539264172823,"planetary_lord":"Jupiter"},{"name":"Hora 17","start":"22:28","end":"23:28","startHours":22.466539264172823,"endHours":23.466539264172823,"planetary_lord":"Saturn"},{"name":"Hora 18","start":"23:28","end":"00:28","startHours":23.466539264172823,"endHours":24.466539264172823,"planetary_lord":"Moon"},{"name":"Hora 19","start":"00:28","end":"01:28","startHours":24.466539264172823,"endHours":25.466539264172823,"planetary_lord":"Mercury"},{"name":"Hora 20","start":"01:28","end":"02:28","startHours":25.466539264172823,"endHours":26.466539264172823,"planetary_lord":"Venus"},{"name":"Hora 21","start":"02:28","end":"03:28","startHours":26.466539264172823,"endHours":27.466539264172823,"planetary_lord":"Sun"},{"name":"Hora 22","start":"03:28","end":"04:28","startHours":27.466539264172823,"endHours":28.466539264172823,"planetary_lord":"Mars"},{"name":"Hora 23","start":"04:28","end":"05:28","startHours":28.466539264172823,"endHours":29.466539264172823,"planetary_lord":"Jupiter"},{"name":"Hora 24","start":"05:28","end":"06:28","startHours":29.466539264172823,"endHours":30.466539264172823,"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":["Meṣa","Vṛṣabha","Karka","Kanyā","Dhanu","Makara"],"unfavorable_rashis":["Mithuna","Siṃha","Tulā","Vṛścika","Kumbha","Mīna"]},"dishaShool":"North (Uttara)","chandraVasa":"South-West","rahuVasa":"North","anandadiYoga":{"name":"Mṛtyu","quality":"Inauspicious"},"tropicalRitu":"Śiśira (Winter)","vedicRitu":"Śiśira (Winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-2.2709554390280244,"eotMinutes":-9.650786013236482,"ayanamsa":22.0398}},"calendars":{"vikram_samvat":1927,"vikram_samvatsara":"Subhānu","saka_samvat":1792,"saka_samvatsara":"Pramoda","bengali_samvat":1277,"malayalam_era":1046,"nanakshahi_year":401,"lunar_month":"Phālguna","lunar_month_paksha_full":"Phālguna Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Phālguna","lunar_month_amanta":"Phālguna","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Mīna (Paṅkuṇi)","ritu":"Śiśira (Winter)","display_summary":"Phālguna Śukla Trayodaśī · Vikram 1927 Subhānu · Śaka 1792 Pramoda"},"festivals":[{"id":"pradosha-vrata","name":"Pradoṣa Vrata","name_sanskrit":"प्रदोष व्रत","tradition":"Shaiva","associated_deity":"Śiva","significance":"Twilight worship of Śiva on Trayodaśī.","vrata":true,"detection":{"any_of":[{"tithi_number":13},{"tithi_number":28}]},"precedence":7}],"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 March 15, 1870 CE · Ṛṣikeśa · Vidhyamitra","description":"March 15, 1870 CE for Ṛṣikeśa: Śukla Trayodaśī, sūryodaya 06:28, sūryāsta 18:25.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/1870-03-15","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/1870-03-15","sa":"https://sa.vidhyamitra.com/city/rishikesh/1870-03-15","hi":"https://hi.vidhyamitra.com/city/rishikesh/1870-03-15","x-default":"https://vidhyamitra.com/city/rishikesh/1870-03-15"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T03:02:17.184Z","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":"2026-05-31T03:02:17.184Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T03:02:17.184Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}