{"id":"vidhyamitra:city-day:rishikesh:1960-05-10:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/1960-05-10","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1960-05-10","date_display":"May 10, 1960 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":1960,"month":5,"day":10,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2437064.770833,"kali_year":5062,"ahargana":1848599.2708,"sun":{"sidereal_longitude":26.1856,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":189.4742,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":14,"name":"Caturdaśī","paksha":"Śukla","full_name":"Śukla Caturdaśī","elongation_degrees":163.2886,"elapsed_within_tithi_degrees":7.2886},"nakshatra":{"number":15,"name":"Svātī","pada":1,"moon_longitude":189.4742,"elapsed_within_degrees":2.8075},"yoga":{"number":17,"name":"Vyatīpāta","sum_longitude":215.6598},"karana":{"half_tithi_index":27,"name":"Vaṇija"},"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":1960,"month":5,"day":10,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2437064.770833,"ahargana":1848599.2708,"kali_year":5062,"ayanamsa_lahiri":23.2992,"grahas":{"sun":{"sidereal_longitude":26.084161999999992,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":4},"retrograde":false},"moon":{"sidereal_longitude":189.77916200000004,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":1},"retrograde":false,"latitude":2.7164},"mars":{"sidereal_longitude":336.253962,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":17.620461999999975,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":250.405262,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":4},"retrograde":true},"venus":{"sidereal_longitude":14.911262000000022,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":265.586862,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":4},"retrograde":true},"rahu":{"sidereal_longitude":152.3145,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":332.3145,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","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":1960,"month":5,"day":10,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2437064.770833,"kali_year":5062,"ahargana":1848599.2708,"sun":{"sidereal_longitude":26.1856,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":189.4742,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":14,"name":"Caturdaśī","paksha":"Śukla","full_name":"Śukla Caturdaśī","elongation_degrees":163.2886,"elapsed_within_tithi_degrees":7.2886},"nakshatra":{"number":15,"name":"Svātī","pada":1,"moon_longitude":189.4742,"elapsed_within_degrees":2.8075},"yoga":{"number":17,"name":"Vyatīpāta","sum_longitude":215.6598},"karana":{"half_tithi_index":27,"name":"Vaṇija"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":2.716,"elongation":163.289},"lunar":{"type":"lunar","occurs":false,"moon_latitude":2.716,"opposition_distance":16.711}},"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":"05:27","sunsetLocal":"19:00","solarNoonLocal":"12:13","dayLengthHours":13.546886904105769,"dayLengthDisplay":"13 Hours 32 Mins 49 Secs","nightLengthDisplay":"10 Hours 27 Mins 11 Secs","moonriseLocal":"17:35","moonsetLocal":"04:41","rahuKala":{"name":"Rāhu Kāla","start":"15:36","end":"17:18","startHours":15.607604628958885,"endHours":17.300965491972104,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"08:50","end":"10:32","startHours":8.834161176906001,"endHours":10.527522039919221,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"12:13","end":"13:55","startHours":12.220882902932441,"endHours":13.914243765945663,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:37","end":"09:04","startHours":8.608379728504238,"endHours":9.059942625307762,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:01","end":"06:22","startHours":6.011893071883965,"endHours":6.373143389326786,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:46","end":"12:40","startHours":11.769320006128916,"endHours":12.672445799735966,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:38","end":"04:33","startHours":3.641187863665455,"endHours":4.5443136572725065,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:19","end":"05:27","startHours":4.318532208870744,"endHours":5.447439450879558,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:29","end":"15:23","startHours":14.47869738695007,"endHours":15.381823180557122,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:48","end":"19:12","startHours":18.794326354985326,"endHours":19.194326354985325,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"19:00","end":"19:34","startHours":18.994326354985326,"endHours":19.558779975989733,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:45","end":"20:30","startHours":18.744326354985326,"endHours":20.494326354985326,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:46","end":"00:40","startHours":23.769320006128915,"endHours":24.672445799735968,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Roga","start":"05:27","end":"07:08","startHours":5.447439450879558,"endHours":7.140800313892779,"quality":"inauspicious"},{"name":"Udveg","start":"07:08","end":"08:50","startHours":7.140800313892779,"endHours":8.834161176906001,"quality":"inauspicious"},{"name":"Chala","start":"08:50","end":"10:32","startHours":8.834161176906001,"endHours":10.527522039919221,"quality":"neutral"},{"name":"Labha","start":"10:32","end":"12:13","startHours":10.527522039919221,"endHours":12.220882902932441,"quality":"auspicious"},{"name":"Amṛta","start":"12:13","end":"13:55","startHours":12.220882902932441,"endHours":13.914243765945663,"quality":"auspicious"},{"name":"Kāla","start":"13:55","end":"15:36","startHours":13.914243765945663,"endHours":15.607604628958885,"quality":"inauspicious"},{"name":"Śubha","start":"15:36","end":"17:18","startHours":15.607604628958885,"endHours":17.300965491972104,"quality":"auspicious"},{"name":"Roga","start":"17:18","end":"19:00","startHours":17.300965491972104,"endHours":18.994326354985326,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Kāla","start":"19:00","end":"20:18","startHours":18.994326354985326,"endHours":20.300965491972104,"quality":"inauspicious"},{"name":"Śubha","start":"20:18","end":"21:36","startHours":20.300965491972104,"endHours":21.60760462895888,"quality":"auspicious"},{"name":"Roga","start":"21:36","end":"22:55","startHours":21.60760462895888,"endHours":22.914243765945663,"quality":"inauspicious"},{"name":"Udveg","start":"22:55","end":"00:13","startHours":22.914243765945663,"endHours":24.22088290293244,"quality":"inauspicious"},{"name":"Chala","start":"00:13","end":"01:32","startHours":24.22088290293244,"endHours":25.52752203991922,"quality":"neutral"},{"name":"Labha","start":"01:32","end":"02:50","startHours":25.52752203991922,"endHours":26.834161176906,"quality":"auspicious"},{"name":"Amṛta","start":"02:50","end":"04:08","startHours":26.834161176906,"endHours":28.14080031389278,"quality":"auspicious"},{"name":"Kāla","start":"04:08","end":"05:27","startHours":28.14080031389278,"endHours":29.447439450879557,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"05:27","end":"06:27","startHours":5.447439450879558,"endHours":6.447439450879558,"planetary_lord":"Mars"},{"name":"Hora 2","start":"06:27","end":"07:27","startHours":6.447439450879558,"endHours":7.447439450879558,"planetary_lord":"Jupiter"},{"name":"Hora 3","start":"07:27","end":"08:27","startHours":7.447439450879558,"endHours":8.447439450879557,"planetary_lord":"Saturn"},{"name":"Hora 4","start":"08:27","end":"09:27","startHours":8.447439450879557,"endHours":9.447439450879557,"planetary_lord":"Moon"},{"name":"Hora 5","start":"09:27","end":"10:27","startHours":9.447439450879557,"endHours":10.447439450879557,"planetary_lord":"Mercury"},{"name":"Hora 6","start":"10:27","end":"11:27","startHours":10.447439450879557,"endHours":11.447439450879557,"planetary_lord":"Venus"},{"name":"Hora 7","start":"11:27","end":"12:27","startHours":11.447439450879557,"endHours":12.447439450879557,"planetary_lord":"Sun"},{"name":"Hora 8","start":"12:27","end":"13:27","startHours":12.447439450879557,"endHours":13.447439450879557,"planetary_lord":"Mars"},{"name":"Hora 9","start":"13:27","end":"14:27","startHours":13.447439450879557,"endHours":14.447439450879557,"planetary_lord":"Jupiter"},{"name":"Hora 10","start":"14:27","end":"15:27","startHours":14.447439450879557,"endHours":15.447439450879557,"planetary_lord":"Saturn"},{"name":"Hora 11","start":"15:27","end":"16:27","startHours":15.447439450879557,"endHours":16.447439450879557,"planetary_lord":"Moon"},{"name":"Hora 12","start":"16:27","end":"17:27","startHours":16.447439450879557,"endHours":17.447439450879557,"planetary_lord":"Mercury"},{"name":"Hora 13","start":"17:27","end":"18:27","startHours":17.447439450879557,"endHours":18.447439450879557,"planetary_lord":"Venus"},{"name":"Hora 14","start":"18:27","end":"19:27","startHours":18.447439450879557,"endHours":19.447439450879557,"planetary_lord":"Sun"},{"name":"Hora 15","start":"19:27","end":"20:27","startHours":19.447439450879557,"endHours":20.447439450879557,"planetary_lord":"Mars"},{"name":"Hora 16","start":"20:27","end":"21:27","startHours":20.447439450879557,"endHours":21.447439450879557,"planetary_lord":"Jupiter"},{"name":"Hora 17","start":"21:27","end":"22:27","startHours":21.447439450879557,"endHours":22.447439450879557,"planetary_lord":"Saturn"},{"name":"Hora 18","start":"22:27","end":"23:27","startHours":22.447439450879557,"endHours":23.447439450879557,"planetary_lord":"Moon"},{"name":"Hora 19","start":"23:27","end":"00:27","startHours":23.447439450879557,"endHours":24.447439450879557,"planetary_lord":"Mercury"},{"name":"Hora 20","start":"00:27","end":"01:27","startHours":24.447439450879557,"endHours":25.447439450879557,"planetary_lord":"Venus"},{"name":"Hora 21","start":"01:27","end":"02:27","startHours":25.447439450879557,"endHours":26.447439450879557,"planetary_lord":"Sun"},{"name":"Hora 22","start":"02:27","end":"03:27","startHours":26.447439450879557,"endHours":27.447439450879557,"planetary_lord":"Mars"},{"name":"Hora 23","start":"03:27","end":"04:27","startHours":27.447439450879557,"endHours":28.447439450879557,"planetary_lord":"Jupiter"},{"name":"Hora 24","start":"04:27","end":"05:27","startHours":28.447439450879557,"endHours":29.447439450879557,"planetary_lord":"Saturn"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Punarvasu","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Uttara Phalgunī","Hasta","Citrā","Svātī","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Karka","Siṃha","Tulā","Dhanu","Mīna"],"unfavorable_rashis":["Vṛṣabha","Mithuna","Kanyā","Vṛścika","Makara","Kumbha"]},"dishaShool":"North (Uttara)","chandraVasa":"North","rahuVasa":"North","anandadiYoga":{"name":"Gada","quality":"Inauspicious"},"tropicalRitu":"Vasanta (Spring) (tropical)","vedicRitu":"Vasanta (Spring)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":17.57245874112808,"eotMinutes":3.6766258240534686,"ayanamsa":23.2992}},"calendars":{"vikram_samvat":2017,"vikram_samvatsara":"Pramādī","saka_samvat":1882,"saka_samvatsara":"Śārvarī","bengali_samvat":1367,"malayalam_era":1136,"nanakshahi_year":491,"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 Caturdaśī · Vikram 2017 Pramādī · Śaka 1882 Śārvarī"},"festivals":[{"id":"narasimha-jayanti","name":"Narasiṁha Jayantī","name_sanskrit":"नरसिंह जयन्ती","tradition":"Vaishnava","associated_deity":"Narasiṁha (avatar of Krishna)","deity_avatara_index":14,"significance":"Bhagavān Narasiṁha manifested to protect the bhakta Prahlāda. Krishna's fierce protective form.","vrata":true,"primary_observance":"Sandhyā (twilight) abhiṣekam; recitation of Narasiṁha-Stotra","detection":{"tithi_number":14,"tithi_paksha":"Śukla","lunar_month":"Vaiśākha"},"precedence":1,"related_chart":"narasimha","sources":["Bhāgavata Purāṇa 7.8"]},{"id":"chhinnamasta-jayanti","name":"Chhinnamastā Jayantī","name_sanskrit":"छिन्नमस्ता जयन्ती","tradition":"Shakta","associated_deity":"Devī Chhinnamastā (6th of 10 Mahāvidyās)","significance":"The 6th of the Daśa Mahāvidyās. Devī's self-decapitation form representing transcendence of ego.","vrata":false,"detection":{"tithi_number":14,"tithi_paksha":"Śukla","lunar_month":"Vaiśākha"},"precedence":5}],"todays_walk":{"walk":{"id":"narasimha-jayanti-walk","name":"Narasiṁha Jayantī Walk","name_sanskrit":"नरसिंह जयन्ती यात्रा","type":"festival","description":"Bhāgavata 7.8 (Prahlāda-Narasiṁha) + protective verses.","step_count":9,"url":"/walk/narasimha-jayanti-walk"},"reason":"Today is Narasiṁha Jayantī — its dedicated 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 May 10, 1960 CE · Ṛṣikeśa · Vidhyamitra","description":"May 10, 1960 CE for Ṛṣikeśa: Śukla Caturdaśī, sūryodaya 05:27, sūryāsta 19:00.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/1960-05-10","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/1960-05-10","sa":"https://sa.vidhyamitra.com/city/rishikesh/1960-05-10","hi":"https://hi.vidhyamitra.com/city/rishikesh/1960-05-10","x-default":"https://vidhyamitra.com/city/rishikesh/1960-05-10"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T16:05:10.561Z","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":"2026-05-31T16:05:10.561Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T16:05:10.561Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}