{"id":"vidhyamitra:city-day:rishikesh:1960-05-09:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/1960-05-09","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1960-05-09","date_display":"May 9, 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":9,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2437063.770833,"kali_year":5062,"ahargana":1848598.2708,"sun":{"sidereal_longitude":25.2248,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":175.8252,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":13,"name":"Trayodaśī","paksha":"Śukla","full_name":"Śukla Trayodaśī","elongation_degrees":150.6004,"elapsed_within_tithi_degrees":6.6004},"nakshatra":{"number":14,"name":"Citrā","pada":1,"moon_longitude":175.8252,"elapsed_within_degrees":2.4919},"yoga":{"number":16,"name":"Siddhi","sum_longitude":201.0501},"karana":{"half_tithi_index":25,"name":"Taitila"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"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":9,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2437063.770833,"ahargana":1848598.2708,"kali_year":5062,"ayanamsa_lahiri":23.2991,"grahas":{"sun":{"sidereal_longitude":25.11779999999999,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":4},"retrograde":false},"moon":{"sidereal_longitude":175.4597,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":14,"name":"Citrā","pada":1},"retrograde":false,"latitude":1.7898},"mars":{"sidereal_longitude":335.4909,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":15.584499999999991,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":250.4647,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":4},"retrograde":true},"venus":{"sidereal_longitude":13.68259999999998,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":265.60540000000003,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":4},"retrograde":true},"rahu":{"sidereal_longitude":152.3675,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":332.3675,"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":9,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2437063.770833,"kali_year":5062,"ahargana":1848598.2708,"sun":{"sidereal_longitude":25.2248,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":175.8252,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":13,"name":"Trayodaśī","paksha":"Śukla","full_name":"Śukla Trayodaśī","elongation_degrees":150.6004,"elapsed_within_tithi_degrees":6.6004},"nakshatra":{"number":14,"name":"Citrā","pada":1,"moon_longitude":175.8252,"elapsed_within_degrees":2.4919},"yoga":{"number":16,"name":"Siddhi","sum_longitude":201.0501},"karana":{"half_tithi_index":25,"name":"Taitila"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":1.79,"elongation":150.6},"lunar":{"type":"lunar","occurs":false,"moon_latitude":1.79,"opposition_distance":29.4}},"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":"05:28","sunsetLocal":"18:59","solarNoonLocal":"12:13","dayLengthHours":13.523745840832664,"dayLengthDisplay":"13 Hours 31 Mins 25 Secs","nightLengthDisplay":"10 Hours 28 Mins 35 Secs","moonriseLocal":"16:29","moonsetLocal":"04:00","rahuKala":{"name":"Rāhu Kāla","start":"07:09","end":"08:50","startHours":7.150231001948649,"endHours":8.840699232052732,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"10:32","end":"12:13","startHours":10.531167462156816,"endHours":12.221635692260897,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"13:55","end":"15:36","startHours":13.912103922364981,"endHours":15.602572152469065,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:37","end":"09:04","startHours":8.615303468038853,"endHours":9.06609499606661,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:01","end":"06:23","startHours":6.0232521818792595,"endHours":6.383885404301464,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:46","end":"12:40","startHours":11.770844164233143,"endHours":12.672427220288654,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:39","end":"04:33","startHours":3.6565966597335438,"endHours":4.558179715789055,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:20","end":"05:28","startHours":4.332783951775177,"endHours":5.459762771844566,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:29","end":"15:23","startHours":14.475593332399676,"endHours":15.377176388455187,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:47","end":"19:11","startHours":18.78350861267723,"endHours":19.18350861267723,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:59","end":"19:33","startHours":18.98350861267723,"endHours":19.546998022711925,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:44","end":"20:29","startHours":18.73350861267723,"endHours":20.48350861267723,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:46","end":"00:40","startHours":23.77084416423314,"endHours":24.672427220288654,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Amṛta","start":"05:28","end":"07:09","startHours":5.459762771844566,"endHours":7.150231001948649,"quality":"auspicious"},{"name":"Kāla","start":"07:09","end":"08:50","startHours":7.150231001948649,"endHours":8.840699232052732,"quality":"inauspicious"},{"name":"Śubha","start":"08:50","end":"10:32","startHours":8.840699232052732,"endHours":10.531167462156816,"quality":"auspicious"},{"name":"Roga","start":"10:32","end":"12:13","startHours":10.531167462156816,"endHours":12.221635692260897,"quality":"inauspicious"},{"name":"Udveg","start":"12:13","end":"13:55","startHours":12.221635692260897,"endHours":13.912103922364981,"quality":"inauspicious"},{"name":"Chala","start":"13:55","end":"15:36","startHours":13.912103922364981,"endHours":15.602572152469065,"quality":"neutral"},{"name":"Labha","start":"15:36","end":"17:18","startHours":15.602572152469065,"endHours":17.293040382573146,"quality":"auspicious"},{"name":"Amṛta","start":"17:18","end":"18:59","startHours":17.293040382573146,"endHours":18.98350861267723,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Chala","start":"18:59","end":"20:18","startHours":18.98350861267723,"endHours":20.293040382573146,"quality":"neutral"},{"name":"Labha","start":"20:18","end":"21:36","startHours":20.293040382573146,"endHours":21.602572152469065,"quality":"auspicious"},{"name":"Amṛta","start":"21:36","end":"22:55","startHours":21.602572152469065,"endHours":22.91210392236498,"quality":"auspicious"},{"name":"Kāla","start":"22:55","end":"00:13","startHours":22.91210392236498,"endHours":24.221635692260897,"quality":"inauspicious"},{"name":"Śubha","start":"00:13","end":"01:32","startHours":24.221635692260897,"endHours":25.531167462156816,"quality":"auspicious"},{"name":"Roga","start":"01:32","end":"02:50","startHours":25.531167462156816,"endHours":26.84069923205273,"quality":"inauspicious"},{"name":"Udveg","start":"02:50","end":"04:09","startHours":26.84069923205273,"endHours":28.150231001948647,"quality":"inauspicious"},{"name":"Chala","start":"04:09","end":"05:28","startHours":28.150231001948647,"endHours":29.459762771844566,"quality":"neutral"}],"horas":[{"name":"Hora 1","start":"05:28","end":"06:28","startHours":5.459762771844566,"endHours":6.459762771844566,"planetary_lord":"Moon"},{"name":"Hora 2","start":"06:28","end":"07:28","startHours":6.459762771844566,"endHours":7.459762771844566,"planetary_lord":"Mercury"},{"name":"Hora 3","start":"07:28","end":"08:28","startHours":7.459762771844566,"endHours":8.459762771844566,"planetary_lord":"Venus"},{"name":"Hora 4","start":"08:28","end":"09:28","startHours":8.459762771844566,"endHours":9.459762771844566,"planetary_lord":"Sun"},{"name":"Hora 5","start":"09:28","end":"10:28","startHours":9.459762771844566,"endHours":10.459762771844566,"planetary_lord":"Mars"},{"name":"Hora 6","start":"10:28","end":"11:28","startHours":10.459762771844566,"endHours":11.459762771844566,"planetary_lord":"Jupiter"},{"name":"Hora 7","start":"11:28","end":"12:28","startHours":11.459762771844566,"endHours":12.459762771844566,"planetary_lord":"Saturn"},{"name":"Hora 8","start":"12:28","end":"13:28","startHours":12.459762771844566,"endHours":13.459762771844566,"planetary_lord":"Moon"},{"name":"Hora 9","start":"13:28","end":"14:28","startHours":13.459762771844566,"endHours":14.459762771844566,"planetary_lord":"Mercury"},{"name":"Hora 10","start":"14:28","end":"15:28","startHours":14.459762771844566,"endHours":15.459762771844566,"planetary_lord":"Venus"},{"name":"Hora 11","start":"15:28","end":"16:28","startHours":15.459762771844566,"endHours":16.459762771844566,"planetary_lord":"Sun"},{"name":"Hora 12","start":"16:28","end":"17:28","startHours":16.459762771844566,"endHours":17.459762771844566,"planetary_lord":"Mars"},{"name":"Hora 13","start":"17:28","end":"18:28","startHours":17.459762771844566,"endHours":18.459762771844566,"planetary_lord":"Jupiter"},{"name":"Hora 14","start":"18:28","end":"19:28","startHours":18.459762771844566,"endHours":19.459762771844566,"planetary_lord":"Saturn"},{"name":"Hora 15","start":"19:28","end":"20:28","startHours":19.459762771844566,"endHours":20.459762771844566,"planetary_lord":"Moon"},{"name":"Hora 16","start":"20:28","end":"21:28","startHours":20.459762771844566,"endHours":21.459762771844566,"planetary_lord":"Mercury"},{"name":"Hora 17","start":"21:28","end":"22:28","startHours":21.459762771844566,"endHours":22.459762771844566,"planetary_lord":"Venus"},{"name":"Hora 18","start":"22:28","end":"23:28","startHours":22.459762771844566,"endHours":23.459762771844566,"planetary_lord":"Sun"},{"name":"Hora 19","start":"23:28","end":"00:28","startHours":23.459762771844566,"endHours":24.459762771844566,"planetary_lord":"Mars"},{"name":"Hora 20","start":"00:28","end":"01:28","startHours":24.459762771844566,"endHours":25.459762771844566,"planetary_lord":"Jupiter"},{"name":"Hora 21","start":"01:28","end":"02:28","startHours":25.459762771844566,"endHours":26.459762771844566,"planetary_lord":"Saturn"},{"name":"Hora 22","start":"02:28","end":"03:28","startHours":26.459762771844566,"endHours":27.459762771844566,"planetary_lord":"Moon"},{"name":"Hora 23","start":"03:28","end":"04:28","startHours":27.459762771844566,"endHours":28.459762771844566,"planetary_lord":"Mercury"},{"name":"Hora 24","start":"04:28","end":"05:28","startHours":28.459762771844566,"endHours":29.459762771844566,"planetary_lord":"Venus"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Ārdrā","Punarvasu","Puṣya","Aśleṣā","Maghā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Mithuna","Karka","Kanyā","Vṛścika","Kumbha","Mīna"],"unfavorable_rashis":["Meṣa","Vṛṣabha","Siṃha","Tulā","Dhanu","Makara"]},"dishaShool":"East (Pūrva)","chandraVasa":"North-West","rahuVasa":"North-East","anandadiYoga":{"name":"Kāṇa","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":17.307596105449264,"eotMinutes":3.631458464346112,"ayanamsa":23.2991}},"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 Trayodaśī · Vikram 2017 Pramādī · Śaka 1882 Śārvarī"},"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":"chandra-walk","name":"Candra Walk","name_sanskrit":"चन्द्र यात्रा","type":"graha","description":"Manas-control + BG 6.5-7.","step_count":5,"url":"/walk/chandra-walk"},"reason":"Somavāra (Monday) — 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 May 9, 1960 CE · Ṛṣikeśa · Vidhyamitra","description":"May 9, 1960 CE for Ṛṣikeśa: Śukla Trayodaśī, sūryodaya 05:28, sūryāsta 18:59.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/1960-05-09","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/1960-05-09","sa":"https://sa.vidhyamitra.com/city/rishikesh/1960-05-09","hi":"https://hi.vidhyamitra.com/city/rishikesh/1960-05-09","x-default":"https://vidhyamitra.com/city/rishikesh/1960-05-09"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-02T18:14:20.679Z","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":"2026-06-02T18:14:20.679Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-02T18:14:20.679Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}