{"id":"vidhyamitra:city-day:rishikesh:1881-05-09:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/1881-05-09","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1881-05-09","date_display":"May 9, 1881 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":1881,"month":5,"day":9,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2408209.770833,"kali_year":4983,"ahargana":1819744.2708,"sun":{"sidereal_longitude":26.6099,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":146.4476,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":10,"name":"Daśamī","paksha":"Śukla","full_name":"Śukla Daśamī","elongation_degrees":119.8377,"elapsed_within_tithi_degrees":11.8377},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":4,"moon_longitude":146.4476,"elapsed_within_degrees":13.1142},"yoga":{"number":13,"name":"Vyāghāta","sum_longitude":173.0574},"karana":{"half_tithi_index":19,"name":"Gara"},"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":1881,"month":5,"day":9,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2408209.770833,"ahargana":1819744.2708,"kali_year":4983,"ayanamsa_lahiri":22.1956,"grahas":{"sun":{"sidereal_longitude":26.325334999999995,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":4},"retrograde":false},"moon":{"sidereal_longitude":145.430435,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":4},"retrograde":false,"latitude":-4.4846},"mars":{"sidereal_longitude":336.79103499999997,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":17.52463499999999,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":15.690834999999993,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":1},"retrograde":false},"venus":{"sidereal_longitude":19.17083500000001,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":12.87793499999998,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":4},"retrograde":false},"rahu":{"sidereal_longitude":241.1913,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":61.1913,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":5,"name":"Mṛgaśīrṣā","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":1881,"month":5,"day":9,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2408209.770833,"kali_year":4983,"ahargana":1819744.2708,"sun":{"sidereal_longitude":26.6099,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":146.4476,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":10,"name":"Daśamī","paksha":"Śukla","full_name":"Śukla Daśamī","elongation_degrees":119.8377,"elapsed_within_tithi_degrees":11.8377},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":4,"moon_longitude":146.4476,"elapsed_within_degrees":13.1142},"yoga":{"number":13,"name":"Vyāghāta","sum_longitude":173.0574},"karana":{"half_tithi_index":19,"name":"Gara"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-4.485,"elongation":119.838},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-4.485,"opposition_distance":60.162}},"eclipse_window_40days":[{"offset_days":19,"type":"solar","occurs":true,"moon_latitude":1.02,"elongation":2.29}]},"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":13.526252619993242,"dayLengthDisplay":"13 Hours 31 Mins 35 Secs","nightLengthDisplay":"10 Hours 28 Mins 25 Secs","moonriseLocal":"13:56","moonsetLocal":"02:24","rahuKala":{"name":"Rāhu Kāla","start":"07:09","end":"08:50","startHours":7.149290959763432,"endHours":8.840072537262587,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"10:32","end":"12:13","startHours":10.530854114761741,"endHours":12.221635692260897,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"13:55","end":"15:36","startHours":13.912417269760052,"endHours":15.603198847259208,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:37","end":"09:04","startHours":8.614634993596033,"endHours":9.06551008092914,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:01","end":"06:23","startHours":6.022103241430662,"endHours":6.382803311297148,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:46","end":"12:40","startHours":11.77076060492779,"endHours":12.672510779594006,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:39","end":"04:33","startHours":3.6550090329318445,"endHours":4.55675920759806,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:20","end":"05:28","startHours":4.331321663931506,"endHours":5.4585093822642765,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:29","end":"15:23","startHours":14.476011128926437,"endHours":15.377761303592653,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:47","end":"19:11","startHours":18.78476200225752,"endHours":19.184762002257518,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:59","end":"19:33","startHours":18.98476200225752,"endHours":19.548355861423904,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:44","end":"20:29","startHours":18.73476200225752,"endHours":20.48476200225752,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:46","end":"00:40","startHours":23.770760604927787,"endHours":24.672510779594006,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Amṛta","start":"05:28","end":"07:09","startHours":5.4585093822642765,"endHours":7.149290959763432,"quality":"auspicious"},{"name":"Kāla","start":"07:09","end":"08:50","startHours":7.149290959763432,"endHours":8.840072537262587,"quality":"inauspicious"},{"name":"Śubha","start":"08:50","end":"10:32","startHours":8.840072537262587,"endHours":10.530854114761741,"quality":"auspicious"},{"name":"Roga","start":"10:32","end":"12:13","startHours":10.530854114761741,"endHours":12.221635692260897,"quality":"inauspicious"},{"name":"Udveg","start":"12:13","end":"13:55","startHours":12.221635692260897,"endHours":13.912417269760052,"quality":"inauspicious"},{"name":"Chala","start":"13:55","end":"15:36","startHours":13.912417269760052,"endHours":15.603198847259208,"quality":"neutral"},{"name":"Labha","start":"15:36","end":"17:18","startHours":15.603198847259208,"endHours":17.293980424758363,"quality":"auspicious"},{"name":"Amṛta","start":"17:18","end":"18:59","startHours":17.293980424758363,"endHours":18.98476200225752,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Chala","start":"18:59","end":"20:18","startHours":18.98476200225752,"endHours":20.293980424758363,"quality":"neutral"},{"name":"Labha","start":"20:18","end":"21:36","startHours":20.293980424758363,"endHours":21.603198847259208,"quality":"auspicious"},{"name":"Amṛta","start":"21:36","end":"22:55","startHours":21.603198847259208,"endHours":22.912417269760052,"quality":"auspicious"},{"name":"Kāla","start":"22:55","end":"00:13","startHours":22.912417269760052,"endHours":24.221635692260897,"quality":"inauspicious"},{"name":"Śubha","start":"00:13","end":"01:32","startHours":24.221635692260897,"endHours":25.53085411476174,"quality":"auspicious"},{"name":"Roga","start":"01:32","end":"02:50","startHours":25.53085411476174,"endHours":26.840072537262586,"quality":"inauspicious"},{"name":"Udveg","start":"02:50","end":"04:09","startHours":26.840072537262586,"endHours":28.149290959763434,"quality":"inauspicious"},{"name":"Chala","start":"04:09","end":"05:28","startHours":28.149290959763434,"endHours":29.458509382264275,"quality":"neutral"}],"horas":[{"name":"Hora 1","start":"05:28","end":"06:28","startHours":5.4585093822642765,"endHours":6.4585093822642765,"planetary_lord":"Moon"},{"name":"Hora 2","start":"06:28","end":"07:28","startHours":6.4585093822642765,"endHours":7.4585093822642765,"planetary_lord":"Mercury"},{"name":"Hora 3","start":"07:28","end":"08:28","startHours":7.4585093822642765,"endHours":8.458509382264277,"planetary_lord":"Venus"},{"name":"Hora 4","start":"08:28","end":"09:28","startHours":8.458509382264277,"endHours":9.458509382264277,"planetary_lord":"Sun"},{"name":"Hora 5","start":"09:28","end":"10:28","startHours":9.458509382264277,"endHours":10.458509382264277,"planetary_lord":"Mars"},{"name":"Hora 6","start":"10:28","end":"11:28","startHours":10.458509382264277,"endHours":11.458509382264277,"planetary_lord":"Jupiter"},{"name":"Hora 7","start":"11:28","end":"12:28","startHours":11.458509382264277,"endHours":12.458509382264277,"planetary_lord":"Saturn"},{"name":"Hora 8","start":"12:28","end":"13:28","startHours":12.458509382264277,"endHours":13.458509382264277,"planetary_lord":"Moon"},{"name":"Hora 9","start":"13:28","end":"14:28","startHours":13.458509382264277,"endHours":14.458509382264277,"planetary_lord":"Mercury"},{"name":"Hora 10","start":"14:28","end":"15:28","startHours":14.458509382264277,"endHours":15.458509382264277,"planetary_lord":"Venus"},{"name":"Hora 11","start":"15:28","end":"16:28","startHours":15.458509382264277,"endHours":16.458509382264275,"planetary_lord":"Sun"},{"name":"Hora 12","start":"16:28","end":"17:28","startHours":16.458509382264275,"endHours":17.458509382264275,"planetary_lord":"Mars"},{"name":"Hora 13","start":"17:28","end":"18:28","startHours":17.458509382264275,"endHours":18.458509382264275,"planetary_lord":"Jupiter"},{"name":"Hora 14","start":"18:28","end":"19:28","startHours":18.458509382264275,"endHours":19.458509382264275,"planetary_lord":"Saturn"},{"name":"Hora 15","start":"19:28","end":"20:28","startHours":19.458509382264275,"endHours":20.458509382264275,"planetary_lord":"Moon"},{"name":"Hora 16","start":"20:28","end":"21:28","startHours":20.458509382264275,"endHours":21.458509382264275,"planetary_lord":"Mercury"},{"name":"Hora 17","start":"21:28","end":"22:28","startHours":21.458509382264275,"endHours":22.458509382264275,"planetary_lord":"Venus"},{"name":"Hora 18","start":"22:28","end":"23:28","startHours":22.458509382264275,"endHours":23.458509382264275,"planetary_lord":"Sun"},{"name":"Hora 19","start":"23:28","end":"00:28","startHours":23.458509382264275,"endHours":24.458509382264275,"planetary_lord":"Mars"},{"name":"Hora 20","start":"00:28","end":"01:28","startHours":24.458509382264275,"endHours":25.458509382264275,"planetary_lord":"Jupiter"},{"name":"Hora 21","start":"01:28","end":"02:28","startHours":25.458509382264275,"endHours":26.458509382264275,"planetary_lord":"Saturn"},{"name":"Hora 22","start":"02:28","end":"03:28","startHours":26.458509382264275,"endHours":27.458509382264275,"planetary_lord":"Moon"},{"name":"Hora 23","start":"03:28","end":"04:28","startHours":27.458509382264275,"endHours":28.458509382264275,"planetary_lord":"Mercury"},{"name":"Hora 24","start":"04:28","end":"05:28","startHours":28.458509382264275,"endHours":29.458509382264275,"planetary_lord":"Venus"}],"taraBala":{"favorable_nakshatras":["Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Uttara Phalgunī","Hasta","Citrā","Svātī","Viśākhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Bhādrapadā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Vṛṣabha","Mithuna","Siṃha","Tulā","Makara","Kumbha"],"unfavorable_rashis":["Meṣa","Karka","Kanyā","Vṛścika","Dhanu","Mīna"]},"dishaShool":"East (Pūrva)","chandraVasa":"West","rahuVasa":"North-East","anandadiYoga":{"name":"Lumba","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":17.33633423455054,"eotMinutes":3.631458464346112,"ayanamsa":22.1956}},"calendars":{"vikram_samvat":1938,"vikram_samvatsara":"Jaya","saka_samvat":1803,"saka_samvatsara":"Vṛṣa","bengali_samvat":1288,"malayalam_era":1057,"nanakshahi_year":412,"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 Daśamī · Vikram 1938 Jaya · Śaka 1803 Vṛṣa"},"festivals":[],"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, 1881 CE · Ṛṣikeśa · Vidhyamitra","description":"May 9, 1881 CE for Ṛṣikeśa: Śukla Daśamī, sūryodaya 05:28, sūryāsta 18:59.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/1881-05-09","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/1881-05-09","sa":"https://sa.vidhyamitra.com/city/rishikesh/1881-05-09","hi":"https://hi.vidhyamitra.com/city/rishikesh/1881-05-09","x-default":"https://vidhyamitra.com/city/rishikesh/1881-05-09"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-03T06:24:11.226Z","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":"2026-06-03T06:24:11.226Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-03T06:24:11.226Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}