{"id":"vidhyamitra:city-day:rishikesh:1910-05-10:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/1910-05-10","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1910-05-10","date_display":"May 10, 1910 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":1910,"month":5,"day":10,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2418801.770833,"kali_year":5012,"ahargana":1830336.2708,"sun":{"sidereal_longitude":26.1259,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":37.2252,"rashi":2,"rashi_name":"Vṛṣabha"},"tithi":{"number":1,"name":"Pratipada","paksha":"Śukla","full_name":"Śukla Pratipada","elongation_degrees":11.0993,"elapsed_within_tithi_degrees":11.0993},"nakshatra":{"number":3,"name":"Kṛttikā","pada":4,"moon_longitude":37.2252,"elapsed_within_degrees":10.5585},"yoga":{"number":5,"name":"Śobhana","sum_longitude":63.351},"karana":{"half_tithi_index":1,"name":"Bava"},"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":1910,"month":5,"day":10,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2418801.770833,"ahargana":1830336.2708,"kali_year":5012,"ayanamsa_lahiri":22.6007,"grahas":{"sun":{"sidereal_longitude":25.906542,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":4},"retrograde":false},"moon":{"sidereal_longitude":37.42644200000001,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":4},"retrograde":false,"latitude":-0.2158},"mars":{"sidereal_longitude":73.72554200000002,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":45.87024200000002,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":164.05954199999996,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":2},"retrograde":true},"venus":{"sidereal_longitude":341.749442,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":7.560942000000011,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":3},"retrograde":false},"rahu":{"sidereal_longitude":39.9762,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":219.9762,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","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":1910,"month":5,"day":10,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2418801.770833,"kali_year":5012,"ahargana":1830336.2708,"sun":{"sidereal_longitude":26.1259,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":37.2252,"rashi":2,"rashi_name":"Vṛṣabha"},"tithi":{"number":1,"name":"Pratipada","paksha":"Śukla","full_name":"Śukla Pratipada","elongation_degrees":11.0993,"elapsed_within_tithi_degrees":11.0993},"nakshatra":{"number":3,"name":"Kṛttikā","pada":4,"moon_longitude":37.2252,"elapsed_within_degrees":10.5585},"yoga":{"number":5,"name":"Śobhana","sum_longitude":63.351},"karana":{"half_tithi_index":1,"name":"Bava"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-0.216,"elongation":11.099},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-0.216,"opposition_distance":168.901}},"eclipse_window_40days":[{"offset_days":-1,"type":"solar","occurs":true,"moon_latitude":-1.336,"elongation":2.422},{"offset_days":14,"type":"lunar","occurs":true,"moon_latitude":0.108,"opposition_distance":1.671}]},"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":"05:27","sunsetLocal":"18:59","solarNoonLocal":"12:13","dayLengthHours":13.5259228948794,"dayLengthDisplay":"13 Hours 31 Mins 33 Secs","nightLengthDisplay":"10 Hours 28 Mins 27 Secs","moonriseLocal":"06:07","moonsetLocal":"19:51","rahuKala":{"name":"Rāhu Kāla","start":"15:36","end":"17:18","startHours":15.602363626652291,"endHours":17.293103988512215,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"08:50","end":"10:32","startHours":8.839402179212591,"endHours":10.530142541072514,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"12:13","end":"13:55","startHours":12.220882902932441,"endHours":13.911623264792365,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:37","end":"09:04","startHours":8.6139701309646,"endHours":9.06483422746058,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:01","end":"06:23","startHours":6.0215015761127155,"endHours":6.382192853309499,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:46","end":"12:40","startHours":11.770018806436461,"endHours":12.671746999428422,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:39","end":"04:33","startHours":3.65446506950882,"endHours":4.556193262500781,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:20","end":"05:27","startHours":4.3307612142527905,"endHours":5.45792145549274,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:29","end":"15:23","startHours":14.475203385412343,"endHours":15.376931578404303,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:47","end":"19:11","startHours":18.783844350372142,"endHours":19.18384435037214,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:59","end":"19:33","startHours":18.98384435037214,"endHours":19.547424470992116,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:44","end":"20:29","startHours":18.73384435037214,"endHours":20.48384435037214,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:46","end":"00:40","startHours":23.77001880643646,"endHours":24.67174699942842,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Roga","start":"05:27","end":"07:09","startHours":5.45792145549274,"endHours":7.148661817352665,"quality":"inauspicious"},{"name":"Udveg","start":"07:09","end":"08:50","startHours":7.148661817352665,"endHours":8.839402179212591,"quality":"inauspicious"},{"name":"Chala","start":"08:50","end":"10:32","startHours":8.839402179212591,"endHours":10.530142541072514,"quality":"neutral"},{"name":"Labha","start":"10:32","end":"12:13","startHours":10.530142541072514,"endHours":12.220882902932441,"quality":"auspicious"},{"name":"Amṛta","start":"12:13","end":"13:55","startHours":12.220882902932441,"endHours":13.911623264792365,"quality":"auspicious"},{"name":"Kāla","start":"13:55","end":"15:36","startHours":13.911623264792365,"endHours":15.602363626652291,"quality":"inauspicious"},{"name":"Śubha","start":"15:36","end":"17:18","startHours":15.602363626652291,"endHours":17.293103988512215,"quality":"auspicious"},{"name":"Roga","start":"17:18","end":"18:59","startHours":17.293103988512215,"endHours":18.98384435037214,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Kāla","start":"18:59","end":"20:18","startHours":18.98384435037214,"endHours":20.293103988512215,"quality":"inauspicious"},{"name":"Śubha","start":"20:18","end":"21:36","startHours":20.293103988512215,"endHours":21.60236362665229,"quality":"auspicious"},{"name":"Roga","start":"21:36","end":"22:55","startHours":21.60236362665229,"endHours":22.911623264792368,"quality":"inauspicious"},{"name":"Udveg","start":"22:55","end":"00:13","startHours":22.911623264792368,"endHours":24.22088290293244,"quality":"inauspicious"},{"name":"Chala","start":"00:13","end":"01:32","startHours":24.22088290293244,"endHours":25.530142541072514,"quality":"neutral"},{"name":"Labha","start":"01:32","end":"02:50","startHours":25.530142541072514,"endHours":26.83940217921259,"quality":"auspicious"},{"name":"Amṛta","start":"02:50","end":"04:09","startHours":26.83940217921259,"endHours":28.148661817352668,"quality":"auspicious"},{"name":"Kāla","start":"04:09","end":"05:27","startHours":28.148661817352668,"endHours":29.45792145549274,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"05:27","end":"06:27","startHours":5.45792145549274,"endHours":6.45792145549274,"planetary_lord":"Mars"},{"name":"Hora 2","start":"06:27","end":"07:27","startHours":6.45792145549274,"endHours":7.45792145549274,"planetary_lord":"Jupiter"},{"name":"Hora 3","start":"07:27","end":"08:27","startHours":7.45792145549274,"endHours":8.457921455492741,"planetary_lord":"Saturn"},{"name":"Hora 4","start":"08:27","end":"09:27","startHours":8.457921455492741,"endHours":9.457921455492741,"planetary_lord":"Moon"},{"name":"Hora 5","start":"09:27","end":"10:27","startHours":9.457921455492741,"endHours":10.457921455492741,"planetary_lord":"Mercury"},{"name":"Hora 6","start":"10:27","end":"11:27","startHours":10.457921455492741,"endHours":11.457921455492741,"planetary_lord":"Venus"},{"name":"Hora 7","start":"11:27","end":"12:27","startHours":11.457921455492741,"endHours":12.457921455492741,"planetary_lord":"Sun"},{"name":"Hora 8","start":"12:27","end":"13:27","startHours":12.457921455492741,"endHours":13.457921455492741,"planetary_lord":"Mars"},{"name":"Hora 9","start":"13:27","end":"14:27","startHours":13.457921455492741,"endHours":14.457921455492741,"planetary_lord":"Jupiter"},{"name":"Hora 10","start":"14:27","end":"15:27","startHours":14.457921455492741,"endHours":15.457921455492741,"planetary_lord":"Saturn"},{"name":"Hora 11","start":"15:27","end":"16:27","startHours":15.457921455492741,"endHours":16.45792145549274,"planetary_lord":"Moon"},{"name":"Hora 12","start":"16:27","end":"17:27","startHours":16.45792145549274,"endHours":17.45792145549274,"planetary_lord":"Mercury"},{"name":"Hora 13","start":"17:27","end":"18:27","startHours":17.45792145549274,"endHours":18.45792145549274,"planetary_lord":"Venus"},{"name":"Hora 14","start":"18:27","end":"19:27","startHours":18.45792145549274,"endHours":19.45792145549274,"planetary_lord":"Sun"},{"name":"Hora 15","start":"19:27","end":"20:27","startHours":19.45792145549274,"endHours":20.45792145549274,"planetary_lord":"Mars"},{"name":"Hora 16","start":"20:27","end":"21:27","startHours":20.45792145549274,"endHours":21.45792145549274,"planetary_lord":"Jupiter"},{"name":"Hora 17","start":"21:27","end":"22:27","startHours":21.45792145549274,"endHours":22.45792145549274,"planetary_lord":"Saturn"},{"name":"Hora 18","start":"22:27","end":"23:27","startHours":22.45792145549274,"endHours":23.45792145549274,"planetary_lord":"Moon"},{"name":"Hora 19","start":"23:27","end":"00:27","startHours":23.45792145549274,"endHours":24.45792145549274,"planetary_lord":"Mercury"},{"name":"Hora 20","start":"00:27","end":"01:27","startHours":24.45792145549274,"endHours":25.45792145549274,"planetary_lord":"Venus"},{"name":"Hora 21","start":"01:27","end":"02:27","startHours":25.45792145549274,"endHours":26.45792145549274,"planetary_lord":"Sun"},{"name":"Hora 22","start":"02:27","end":"03:27","startHours":26.45792145549274,"endHours":27.45792145549274,"planetary_lord":"Mars"},{"name":"Hora 23","start":"03:27","end":"04:27","startHours":27.45792145549274,"endHours":28.45792145549274,"planetary_lord":"Jupiter"},{"name":"Hora 24","start":"04:27","end":"05:27","startHours":28.45792145549274,"endHours":29.45792145549274,"planetary_lord":"Saturn"}],"taraBala":{"favorable_nakshatras":["Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Hasta","Citrā","Svātī","Viśākhā","Anurādhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Vṛṣabha","Karka","Tulā","Vṛścika","Kumbha","Mīna"],"unfavorable_rashis":["Meṣa","Mithuna","Siṃha","Kanyā","Dhanu","Makara"]},"dishaShool":"North (Uttara)","chandraVasa":"South-East","rahuVasa":"North","anandadiYoga":{"name":"Chatra","quality":"Auspicious"},"tropicalRitu":"Vasanta (Spring) (tropical)","vedicRitu":"Vasanta (Spring)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":17.3325548567368,"eotMinutes":3.6766258240534686,"ayanamsa":22.6007}},"calendars":{"vikram_samvat":1967,"vikram_samvatsara":"Rudhirodgāri","saka_samvat":1832,"saka_samvatsara":"Sādhāraṇa","bengali_samvat":1317,"malayalam_era":1086,"nanakshahi_year":441,"lunar_month":"Vaiśākha","lunar_month_paksha_full":"Vaiśākha Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Vaiśākha","lunar_month_amanta":"Vaiśākha","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Mēsha (Cittirai / Vaiśākhī)","ritu":"Vasanta (Spring)","display_summary":"Vaiśākha Śukla Pratipada · Vikram 1967 Rudhirodgāri · Śaka 1832 Sādhāraṇa"},"festivals":[],"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":[{"historical_date":"-3137-10-04","event":"Mahābhārata Day 1 (Bhagavad Gītā delivered)","chart_id":"krishna","shared_marker":"same Kṛttikā","url":"/day/-3137-10-04","relevance":0.5},{"historical_date":"-3137-12-25","event":"Bhīṣma's Mahaprasthan","chart_id":"bhishma","shared_marker":"same Kṛttikā","url":"/day/-3137-12-25","relevance":0.5}]},"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 May 10, 1910 CE · Ṛṣikeśa · Vidhyamitra","description":"May 10, 1910 CE for Ṛṣikeśa: Śukla Pratipada, sūryodaya 05:27, sūryāsta 18:59.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/1910-05-10","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/1910-05-10","sa":"https://sa.vidhyamitra.com/city/rishikesh/1910-05-10","hi":"https://hi.vidhyamitra.com/city/rishikesh/1910-05-10","x-default":"https://vidhyamitra.com/city/rishikesh/1910-05-10"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T15:00:20.405Z","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":"2026-05-31T15:00:20.405Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T15:00:20.405Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}