{"id":"vidhyamitra:city-day:rishikesh:1866-03-10:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/1866-03-10","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1866-03-10","date_display":"March 10, 1866 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":1866,"month":3,"day":10,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2402670.770833,"kali_year":4967,"ahargana":1814205.2708,"sun":{"sidereal_longitude":327.7686,"rashi":11,"rashi_name":"Kumbha"},"moon":{"sidereal_longitude":244.3522,"rashi":9,"rashi_name":"Dhanu"},"tithi":{"number":24,"name":"Navamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Navamī","elongation_degrees":276.5836,"elapsed_within_tithi_degrees":0.5836},"nakshatra":{"number":19,"name":"Mūla","pada":2,"moon_longitude":244.3522,"elapsed_within_degrees":4.3522},"yoga":{"number":16,"name":"Siddhi","sum_longitude":212.1209},"karana":{"half_tithi_index":46,"name":"Taitila"},"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":1866,"month":3,"day":10,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2402670.770833,"ahargana":1814205.2708,"kali_year":4967,"ayanamsa_lahiri":21.9837,"grahas":{"sun":{"sidereal_longitude":327.283865,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":3},"retrograde":false},"moon":{"sidereal_longitude":241.40556500000002,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":1},"retrograde":false,"latitude":4.2194},"mars":{"sidereal_longitude":297.25916499999994,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":337.167965,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":275.50636499999996,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":3},"retrograde":false},"venus":{"sidereal_longitude":332.12146499999994,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":201.07606499999997,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":1},"retrograde":true},"rahu":{"sidereal_longitude":174.6742,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":14,"name":"Citrā","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":354.6742,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":3},"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":1866,"month":3,"day":10,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2402670.770833,"kali_year":4967,"ahargana":1814205.2708,"sun":{"sidereal_longitude":327.7686,"rashi":11,"rashi_name":"Kumbha"},"moon":{"sidereal_longitude":244.3522,"rashi":9,"rashi_name":"Dhanu"},"tithi":{"number":24,"name":"Navamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Navamī","elongation_degrees":276.5836,"elapsed_within_tithi_degrees":0.5836},"nakshatra":{"number":19,"name":"Mūla","pada":2,"moon_longitude":244.3522,"elapsed_within_degrees":4.3522},"yoga":{"number":16,"name":"Siddhi","sum_longitude":212.1209},"karana":{"half_tithi_index":46,"name":"Taitila"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":4.219,"elongation":83.416},"lunar":{"type":"lunar","occurs":false,"moon_latitude":4.219,"opposition_distance":96.584}},"eclipse_window_40days":[{"offset_days":7,"type":"solar","occurs":true,"moon_latitude":1.469,"elongation":0.484}]},"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":"06:34","sunsetLocal":"18:22","solarNoonLocal":"12:28","dayLengthHours":11.799957614983018,"dayLengthDisplay":"11 Hours 48 Mins 00 Secs","nightLengthDisplay":"12 Hours 12 Mins 00 Secs","moonriseLocal":"01:39","moonsetLocal":"11:50","rahuKala":{"name":"Rāhu Kāla","start":"09:31","end":"10:59","startHours":9.515919638017762,"endHours":10.99091433989064,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"13:56","end":"15:25","startHours":13.940903743636394,"endHours":15.41589844550927,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"06:34","end":"08:02","startHours":6.565930234272007,"endHours":8.040924936144885,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:19","end":"09:43","startHours":9.319253677768044,"endHours":9.712585598267479,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:03","end":"07:22","startHours":7.0575951348962995,"endHours":7.372260671295846,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:04","end":"12:52","startHours":12.07257712126408,"endHours":12.85924096226295,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:00","end":"05:47","startHours":4.992602552274271,"endHours":5.779266393273139,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:35","end":"06:34","startHours":5.582600433023422,"endHours":6.565930234272007,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:26","end":"15:13","startHours":14.432568644260686,"endHours":15.219232485259553,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:10","end":"18:34","startHours":18.165887849255025,"endHours":18.565887849255024,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:22","end":"18:51","startHours":18.365887849255024,"endHours":18.857552749879318,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:07","end":"19:52","startHours":18.115887849255024,"endHours":19.865887849255024,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:04","end":"00:52","startHours":24.072577121264082,"endHours":24.85924096226295,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Kāla","start":"06:34","end":"08:02","startHours":6.565930234272007,"endHours":8.040924936144885,"quality":"inauspicious"},{"name":"Śubha","start":"08:02","end":"09:31","startHours":8.040924936144885,"endHours":9.515919638017762,"quality":"auspicious"},{"name":"Roga","start":"09:31","end":"10:59","startHours":9.515919638017762,"endHours":10.99091433989064,"quality":"inauspicious"},{"name":"Udveg","start":"10:59","end":"12:28","startHours":10.99091433989064,"endHours":12.465909041763517,"quality":"inauspicious"},{"name":"Chala","start":"12:28","end":"13:56","startHours":12.465909041763517,"endHours":13.940903743636394,"quality":"neutral"},{"name":"Labha","start":"13:56","end":"15:25","startHours":13.940903743636394,"endHours":15.41589844550927,"quality":"auspicious"},{"name":"Amṛta","start":"15:25","end":"16:53","startHours":15.41589844550927,"endHours":16.890893147382148,"quality":"auspicious"},{"name":"Kāla","start":"16:53","end":"18:22","startHours":16.890893147382148,"endHours":18.365887849255024,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Labha","start":"18:22","end":"19:53","startHours":18.365887849255024,"endHours":19.890893147382148,"quality":"auspicious"},{"name":"Amṛta","start":"19:53","end":"21:25","startHours":19.890893147382148,"endHours":21.41589844550927,"quality":"auspicious"},{"name":"Kāla","start":"21:25","end":"22:56","startHours":21.41589844550927,"endHours":22.94090374363639,"quality":"inauspicious"},{"name":"Śubha","start":"22:56","end":"00:28","startHours":22.94090374363639,"endHours":24.465909041763517,"quality":"auspicious"},{"name":"Roga","start":"00:28","end":"01:59","startHours":24.465909041763517,"endHours":25.990914339890637,"quality":"inauspicious"},{"name":"Udveg","start":"01:59","end":"03:31","startHours":25.990914339890637,"endHours":27.51591963801776,"quality":"inauspicious"},{"name":"Chala","start":"03:31","end":"05:02","startHours":27.51591963801776,"endHours":29.040924936144883,"quality":"neutral"},{"name":"Labha","start":"05:02","end":"06:34","startHours":29.040924936144883,"endHours":30.565930234272006,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:34","end":"07:34","startHours":6.565930234272007,"endHours":7.565930234272007,"planetary_lord":"Saturn"},{"name":"Hora 2","start":"07:34","end":"08:34","startHours":7.565930234272007,"endHours":8.565930234272006,"planetary_lord":"Moon"},{"name":"Hora 3","start":"08:34","end":"09:34","startHours":8.565930234272006,"endHours":9.565930234272006,"planetary_lord":"Mercury"},{"name":"Hora 4","start":"09:34","end":"10:34","startHours":9.565930234272006,"endHours":10.565930234272006,"planetary_lord":"Venus"},{"name":"Hora 5","start":"10:34","end":"11:34","startHours":10.565930234272006,"endHours":11.565930234272006,"planetary_lord":"Sun"},{"name":"Hora 6","start":"11:34","end":"12:34","startHours":11.565930234272006,"endHours":12.565930234272006,"planetary_lord":"Mars"},{"name":"Hora 7","start":"12:34","end":"13:34","startHours":12.565930234272006,"endHours":13.565930234272006,"planetary_lord":"Jupiter"},{"name":"Hora 8","start":"13:34","end":"14:34","startHours":13.565930234272006,"endHours":14.565930234272006,"planetary_lord":"Saturn"},{"name":"Hora 9","start":"14:34","end":"15:34","startHours":14.565930234272006,"endHours":15.565930234272006,"planetary_lord":"Moon"},{"name":"Hora 10","start":"15:34","end":"16:34","startHours":15.565930234272006,"endHours":16.565930234272006,"planetary_lord":"Mercury"},{"name":"Hora 11","start":"16:34","end":"17:34","startHours":16.565930234272006,"endHours":17.565930234272006,"planetary_lord":"Venus"},{"name":"Hora 12","start":"17:34","end":"18:34","startHours":17.565930234272006,"endHours":18.565930234272006,"planetary_lord":"Sun"},{"name":"Hora 13","start":"18:34","end":"19:34","startHours":18.565930234272006,"endHours":19.565930234272006,"planetary_lord":"Mars"},{"name":"Hora 14","start":"19:34","end":"20:34","startHours":19.565930234272006,"endHours":20.565930234272006,"planetary_lord":"Jupiter"},{"name":"Hora 15","start":"20:34","end":"21:34","startHours":20.565930234272006,"endHours":21.565930234272006,"planetary_lord":"Saturn"},{"name":"Hora 16","start":"21:34","end":"22:34","startHours":21.565930234272006,"endHours":22.565930234272006,"planetary_lord":"Moon"},{"name":"Hora 17","start":"22:34","end":"23:34","startHours":22.565930234272006,"endHours":23.565930234272006,"planetary_lord":"Mercury"},{"name":"Hora 18","start":"23:34","end":"00:34","startHours":23.565930234272006,"endHours":24.565930234272006,"planetary_lord":"Venus"},{"name":"Hora 19","start":"00:34","end":"01:34","startHours":24.565930234272006,"endHours":25.565930234272006,"planetary_lord":"Sun"},{"name":"Hora 20","start":"01:34","end":"02:34","startHours":25.565930234272006,"endHours":26.565930234272006,"planetary_lord":"Mars"},{"name":"Hora 21","start":"02:34","end":"03:34","startHours":26.565930234272006,"endHours":27.565930234272006,"planetary_lord":"Jupiter"},{"name":"Hora 22","start":"03:34","end":"04:34","startHours":27.565930234272006,"endHours":28.565930234272006,"planetary_lord":"Saturn"},{"name":"Hora 23","start":"04:34","end":"05:34","startHours":28.565930234272006,"endHours":29.565930234272006,"planetary_lord":"Moon"},{"name":"Hora 24","start":"05:34","end":"06:34","startHours":29.565930234272006,"endHours":30.565930234272006,"planetary_lord":"Mercury"}],"taraBala":{"favorable_nakshatras":["Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Svātī","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj"],"unfavorable_nakshatras":["Aśvinī","Punarvasu","Puṣya","Aśleṣā","Maghā","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Vṛṣabha","Mithuna","Kanyā","Tulā","Dhanu","Kumbha"],"unfavorable_rashis":["Meṣa","Karka","Siṃha","Vṛścika","Makara","Mīna"]},"dishaShool":"East (Pūrva)","chandraVasa":"East","rahuVasa":"East","anandadiYoga":{"name":"Lumba","quality":"Auspicious"},"tropicalRitu":"Śiśira (Winter) (tropical)","vedicRitu":"Śiśira (Winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-4.247608686057177,"eotMinutes":-11.024942505810897,"ayanamsa":21.9837}},"calendars":{"vikram_samvat":1923,"vikram_samvatsara":"Pramāthi","saka_samvat":1788,"saka_samvatsara":"Akṣaya","bengali_samvat":1273,"malayalam_era":1042,"nanakshahi_year":397,"lunar_month":"Caitra","lunar_month_paksha_full":"Caitra Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Caitra","lunar_month_amanta":"Phālguna","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Kumbha (Māsi)","ritu":"Vasanta (Spring)","display_summary":"Caitra Kṛṣṇa Navamī · Vikram 1923 Pramāthi · Śaka 1788 Akṣaya"},"festivals":[],"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 March 10, 1866 CE · Ṛṣikeśa · Vidhyamitra","description":"March 10, 1866 CE for Ṛṣikeśa: Kṛṣṇa Navamī, sūryodaya 06:34, sūryāsta 18:22.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/1866-03-10","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/1866-03-10","sa":"https://sa.vidhyamitra.com/city/rishikesh/1866-03-10","hi":"https://hi.vidhyamitra.com/city/rishikesh/1866-03-10","x-default":"https://vidhyamitra.com/city/rishikesh/1866-03-10"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T20:51:06.322Z","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":"2026-05-31T20:51:06.322Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T20:51:06.322Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}