{"id":"vidhyamitra:city-day:rishikesh:2073-05-15:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/2073-05-15","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2073-05-15","date_display":"May 15, 2073 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":2073,"month":5,"day":15,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2478342.770833,"kali_year":5175,"ahargana":1889877.2708,"sun":{"sidereal_longitude":29.7941,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":125.7362,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":8,"name":"Aṣṭamī","paksha":"Śukla","full_name":"Śukla Aṣṭamī","elongation_degrees":95.9421,"elapsed_within_tithi_degrees":11.9421},"nakshatra":{"number":10,"name":"Maghā","pada":2,"moon_longitude":125.7362,"elapsed_within_degrees":5.7362},"yoga":{"number":12,"name":"Dhruva","sum_longitude":155.5303},"karana":{"half_tithi_index":15,"name":"Bava"},"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":2073,"month":5,"day":15,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2478342.770833,"ahargana":1889877.2708,"kali_year":5175,"ayanamsa_lahiri":24.8779,"grahas":{"sun":{"sidereal_longitude":29.980838000000006,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":1},"retrograde":false},"moon":{"sidereal_longitude":123.22343799999999,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":1},"retrograde":false,"latitude":0.0415},"mars":{"sidereal_longitude":359.058138,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":46.14363800000001,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":73.431938,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":3},"retrograde":false},"venus":{"sidereal_longitude":343.000138,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":206.26113799999996,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":2},"retrograde":true},"rahu":{"sidereal_longitude":125.2075,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":305.2075,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","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":2073,"month":5,"day":15,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2478342.770833,"kali_year":5175,"ahargana":1889877.2708,"sun":{"sidereal_longitude":29.7941,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":125.7362,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":8,"name":"Aṣṭamī","paksha":"Śukla","full_name":"Śukla Aṣṭamī","elongation_degrees":95.9421,"elapsed_within_tithi_degrees":11.9421},"nakshatra":{"number":10,"name":"Maghā","pada":2,"moon_longitude":125.7362,"elapsed_within_degrees":5.7362},"yoga":{"number":12,"name":"Dhruva","sum_longitude":155.5303},"karana":{"half_tithi_index":15,"name":"Bava"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":0.041,"elongation":95.942},"lunar":{"type":"lunar","occurs":false,"moon_latitude":0.041,"opposition_distance":84.058}},"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":"05:23","sunsetLocal":"19:03","solarNoonLocal":"12:13","dayLengthHours":13.671345448486175,"dayLengthDisplay":"13 Hours 40 Mins 17 Secs","nightLengthDisplay":"10 Hours 19 Mins 43 Secs","moonriseLocal":"11:55","moonsetLocal":"00:58","rahuKala":{"name":"Rāhu Kāla","start":"07:06","end":"08:48","startHours":7.092802107885584,"endHours":8.801720288946356,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"10:31","end":"12:13","startHours":10.510638470007127,"endHours":12.2195566510679,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"13:56","end":"15:38","startHours":13.928474832128671,"endHours":15.637393013189442,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:34","end":"09:02","startHours":8.573864531471587,"endHours":9.029576046421125,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"05:57","end":"06:19","startHours":5.953523320511737,"endHours":6.318092532471368,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:46","end":"12:41","startHours":11.76384513611836,"endHours":12.675268166017439,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:34","end":"04:28","startHours":3.5610378670266556,"endHours":4.4724608969257345,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:15","end":"05:23","startHours":4.2446051394509645,"endHours":5.383883926824812,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:30","end":"15:25","startHours":14.498114225815595,"endHours":15.409537255714673,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:51","end":"19:15","startHours":18.855229375310987,"endHours":19.255229375310986,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"19:03","end":"19:37","startHours":19.055229375310986,"endHours":19.62486876899791,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:48","end":"20:33","startHours":18.805229375310986,"endHours":20.555229375310986,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:46","end":"00:41","startHours":23.76384513611836,"endHours":24.675268166017435,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Amṛta","start":"05:23","end":"07:06","startHours":5.383883926824812,"endHours":7.092802107885584,"quality":"auspicious"},{"name":"Kāla","start":"07:06","end":"08:48","startHours":7.092802107885584,"endHours":8.801720288946356,"quality":"inauspicious"},{"name":"Śubha","start":"08:48","end":"10:31","startHours":8.801720288946356,"endHours":10.510638470007127,"quality":"auspicious"},{"name":"Roga","start":"10:31","end":"12:13","startHours":10.510638470007127,"endHours":12.2195566510679,"quality":"inauspicious"},{"name":"Udveg","start":"12:13","end":"13:56","startHours":12.2195566510679,"endHours":13.928474832128671,"quality":"inauspicious"},{"name":"Chala","start":"13:56","end":"15:38","startHours":13.928474832128671,"endHours":15.637393013189442,"quality":"neutral"},{"name":"Labha","start":"15:38","end":"17:21","startHours":15.637393013189442,"endHours":17.346311194250216,"quality":"auspicious"},{"name":"Amṛta","start":"17:21","end":"19:03","startHours":17.346311194250216,"endHours":19.055229375310986,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Chala","start":"19:03","end":"20:21","startHours":19.055229375310986,"endHours":20.346311194250216,"quality":"neutral"},{"name":"Labha","start":"20:21","end":"21:38","startHours":20.346311194250216,"endHours":21.637393013189442,"quality":"auspicious"},{"name":"Amṛta","start":"21:38","end":"22:56","startHours":21.637393013189442,"endHours":22.92847483212867,"quality":"auspicious"},{"name":"Kāla","start":"22:56","end":"00:13","startHours":22.92847483212867,"endHours":24.219556651067897,"quality":"inauspicious"},{"name":"Śubha","start":"00:13","end":"01:31","startHours":24.219556651067897,"endHours":25.510638470007127,"quality":"auspicious"},{"name":"Roga","start":"01:31","end":"02:48","startHours":25.510638470007127,"endHours":26.801720288946356,"quality":"inauspicious"},{"name":"Udveg","start":"02:48","end":"04:06","startHours":26.801720288946356,"endHours":28.092802107885582,"quality":"inauspicious"},{"name":"Chala","start":"04:06","end":"05:23","startHours":28.092802107885582,"endHours":29.38388392682481,"quality":"neutral"}],"horas":[{"name":"Hora 1","start":"05:23","end":"06:23","startHours":5.383883926824812,"endHours":6.383883926824812,"planetary_lord":"Moon"},{"name":"Hora 2","start":"06:23","end":"07:23","startHours":6.383883926824812,"endHours":7.383883926824812,"planetary_lord":"Mercury"},{"name":"Hora 3","start":"07:23","end":"08:23","startHours":7.383883926824812,"endHours":8.383883926824812,"planetary_lord":"Venus"},{"name":"Hora 4","start":"08:23","end":"09:23","startHours":8.383883926824812,"endHours":9.383883926824812,"planetary_lord":"Sun"},{"name":"Hora 5","start":"09:23","end":"10:23","startHours":9.383883926824812,"endHours":10.383883926824812,"planetary_lord":"Mars"},{"name":"Hora 6","start":"10:23","end":"11:23","startHours":10.383883926824812,"endHours":11.383883926824812,"planetary_lord":"Jupiter"},{"name":"Hora 7","start":"11:23","end":"12:23","startHours":11.383883926824812,"endHours":12.383883926824812,"planetary_lord":"Saturn"},{"name":"Hora 8","start":"12:23","end":"13:23","startHours":12.383883926824812,"endHours":13.383883926824812,"planetary_lord":"Moon"},{"name":"Hora 9","start":"13:23","end":"14:23","startHours":13.383883926824812,"endHours":14.383883926824812,"planetary_lord":"Mercury"},{"name":"Hora 10","start":"14:23","end":"15:23","startHours":14.383883926824812,"endHours":15.383883926824812,"planetary_lord":"Venus"},{"name":"Hora 11","start":"15:23","end":"16:23","startHours":15.383883926824812,"endHours":16.38388392682481,"planetary_lord":"Sun"},{"name":"Hora 12","start":"16:23","end":"17:23","startHours":16.38388392682481,"endHours":17.38388392682481,"planetary_lord":"Mars"},{"name":"Hora 13","start":"17:23","end":"18:23","startHours":17.38388392682481,"endHours":18.38388392682481,"planetary_lord":"Jupiter"},{"name":"Hora 14","start":"18:23","end":"19:23","startHours":18.38388392682481,"endHours":19.38388392682481,"planetary_lord":"Saturn"},{"name":"Hora 15","start":"19:23","end":"20:23","startHours":19.38388392682481,"endHours":20.38388392682481,"planetary_lord":"Moon"},{"name":"Hora 16","start":"20:23","end":"21:23","startHours":20.38388392682481,"endHours":21.38388392682481,"planetary_lord":"Mercury"},{"name":"Hora 17","start":"21:23","end":"22:23","startHours":21.38388392682481,"endHours":22.38388392682481,"planetary_lord":"Venus"},{"name":"Hora 18","start":"22:23","end":"23:23","startHours":22.38388392682481,"endHours":23.38388392682481,"planetary_lord":"Sun"},{"name":"Hora 19","start":"23:23","end":"00:23","startHours":23.38388392682481,"endHours":24.38388392682481,"planetary_lord":"Mars"},{"name":"Hora 20","start":"00:23","end":"01:23","startHours":24.38388392682481,"endHours":25.38388392682481,"planetary_lord":"Jupiter"},{"name":"Hora 21","start":"01:23","end":"02:23","startHours":25.38388392682481,"endHours":26.38388392682481,"planetary_lord":"Saturn"},{"name":"Hora 22","start":"02:23","end":"03:23","startHours":26.38388392682481,"endHours":27.38388392682481,"planetary_lord":"Moon"},{"name":"Hora 23","start":"03:23","end":"04:23","startHours":27.38388392682481,"endHours":28.38388392682481,"planetary_lord":"Mercury"},{"name":"Hora 24","start":"04:23","end":"05:23","startHours":28.38388392682481,"endHours":29.38388392682481,"planetary_lord":"Venus"}],"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","Siṃha","Tulā","Makara","Kumbha"],"unfavorable_rashis":["Meṣa","Karka","Kanyā","Vṛścika","Dhanu","Mīna"]},"dishaShool":"East (Pūrva)","chandraVasa":"West","rahuVasa":"North-East","anandadiYoga":{"name":"Padma","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":18.98011094876992,"eotMinutes":3.7562009359260493,"ayanamsa":24.8779}},"calendars":{"vikram_samvat":2130,"vikram_samvatsara":"Parābhava","saka_samvat":1995,"saka_samvatsara":"Vijaya","bengali_samvat":1480,"malayalam_era":1249,"nanakshahi_year":604,"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 Aṣṭamī · Vikram 2130 Parābhava · Śaka 1995 Vijaya"},"festivals":[{"id":"vrishabha-sankranti","name":"Vṛṣabha Saṅkrānti","name_sanskrit":"वृषभ सङ्क्रान्ति","tradition":"Pan-Hindu","significance":"Sun enters Taurus.","vrata":false,"detection":{"sun_rashi_ingress":"Vṛṣabha"},"precedence":5}],"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":[{"historical_date":"-3137-12-25","event":"Bhīṣma's Mahaprasthan","chart_id":"bhishma","shared_marker":"same Śukla Aṣṭamī","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 15, 2073 CE · Ṛṣikeśa · Vidhyamitra","description":"May 15, 2073 CE for Ṛṣikeśa: Śukla Aṣṭamī, sūryodaya 05:23, sūryāsta 19:03.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/2073-05-15","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/2073-05-15","sa":"https://sa.vidhyamitra.com/city/rishikesh/2073-05-15","hi":"https://hi.vidhyamitra.com/city/rishikesh/2073-05-15","x-default":"https://vidhyamitra.com/city/rishikesh/2073-05-15"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T10:19:08.401Z","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":"2026-05-31T10:19:08.401Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T10:19:08.401Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}