{"id":"vidhyamitra:city-day:rishikesh:1997-05-05:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/1997-05-05","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1997-05-05","date_display":"May 5, 1997 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":1997,"month":5,"day":5,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2450573.770833,"kali_year":5099,"ahargana":1862108.2708,"sun":{"sidereal_longitude":20.8238,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":358.6668,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":29,"name":"Caturdaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Caturdaśī","elongation_degrees":337.8431,"elapsed_within_tithi_degrees":1.8431},"nakshatra":{"number":27,"name":"Revatī","pada":4,"moon_longitude":358.6668,"elapsed_within_degrees":12.0002},"yoga":{"number":2,"name":"Prīti","sum_longitude":19.4906},"karana":{"half_tithi_index":56,"name":"Viṣṭi"},"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":1997,"month":5,"day":5,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2450573.770833,"ahargana":1862108.2708,"kali_year":5099,"ayanamsa_lahiri":23.8159,"grahas":{"sun":{"sidereal_longitude":20.777818000000025,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":3},"retrograde":false},"moon":{"sidereal_longitude":356.688618,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":4},"retrograde":false,"latitude":-1.6933},"mars":{"sidereal_longitude":143.24451799999997,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":3},"retrograde":true},"mercury":{"sidereal_longitude":6.29051800000002,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":2},"retrograde":true},"jupiter":{"sidereal_longitude":296.17751799999996,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":1},"retrograde":false},"venus":{"sidereal_longitude":29.249518000000023,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":350.702318,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":2},"retrograde":false},"rahu":{"sidereal_longitude":156.5427,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":336.5427,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":1},"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":1997,"month":5,"day":5,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2450573.770833,"kali_year":5099,"ahargana":1862108.2708,"sun":{"sidereal_longitude":20.8238,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":358.6668,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":29,"name":"Caturdaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Caturdaśī","elongation_degrees":337.8431,"elapsed_within_tithi_degrees":1.8431},"nakshatra":{"number":27,"name":"Revatī","pada":4,"moon_longitude":358.6668,"elapsed_within_degrees":12.0002},"yoga":{"number":2,"name":"Prīti","sum_longitude":19.4906},"karana":{"half_tithi_index":56,"name":"Viṣṭi"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-1.693,"elongation":22.157},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-1.693,"opposition_distance":157.843}},"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":"05:31","sunsetLocal":"18:56","solarNoonLocal":"12:14","dayLengthHours":13.429128408364406,"dayLengthDisplay":"13 Hours 25 Mins 45 Secs","nightLengthDisplay":"10 Hours 34 Mins 15 Secs","moonriseLocal":"04:16","moonsetLocal":"16:59","rahuKala":{"name":"Rāhu Kāla","start":"07:11","end":"08:52","startHours":7.190359783622305,"endHours":8.869000834667855,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"10:33","end":"12:14","startHours":10.547641885713407,"endHours":12.226282936758956,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"13:54","end":"15:35","startHours":13.904923987804509,"endHours":15.583565038850058,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:39","end":"09:06","startHours":8.645182027861782,"endHours":9.092819641473929,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:04","end":"06:26","startHours":6.071265749591937,"endHours":6.429375840481655,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:47","end":"12:40","startHours":11.77864532314681,"endHours":12.673920550371102,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:43","end":"04:37","startHours":3.7211682781281663,"endHours":4.616443505352461,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:24","end":"05:31","startHours":4.392624698546387,"endHours":5.511718732576754,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:28","end":"15:22","startHours":14.464471004819693,"endHours":15.359746232043987,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:44","end":"19:08","startHours":18.74084714094116,"endHours":19.14084714094116,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:56","end":"19:30","startHours":18.94084714094116,"endHours":19.500394157956343,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:41","end":"20:26","startHours":18.69084714094116,"endHours":20.44084714094116,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:47","end":"00:40","startHours":23.778645323146808,"endHours":24.673920550371104,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Amṛta","start":"05:31","end":"07:11","startHours":5.511718732576754,"endHours":7.190359783622305,"quality":"auspicious"},{"name":"Kāla","start":"07:11","end":"08:52","startHours":7.190359783622305,"endHours":8.869000834667855,"quality":"inauspicious"},{"name":"Śubha","start":"08:52","end":"10:33","startHours":8.869000834667855,"endHours":10.547641885713407,"quality":"auspicious"},{"name":"Roga","start":"10:33","end":"12:14","startHours":10.547641885713407,"endHours":12.226282936758956,"quality":"inauspicious"},{"name":"Udveg","start":"12:14","end":"13:54","startHours":12.226282936758956,"endHours":13.904923987804509,"quality":"inauspicious"},{"name":"Chala","start":"13:54","end":"15:35","startHours":13.904923987804509,"endHours":15.583565038850058,"quality":"neutral"},{"name":"Labha","start":"15:35","end":"17:16","startHours":15.583565038850058,"endHours":17.26220608989561,"quality":"auspicious"},{"name":"Amṛta","start":"17:16","end":"18:56","startHours":17.26220608989561,"endHours":18.94084714094116,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Chala","start":"18:56","end":"20:16","startHours":18.94084714094116,"endHours":20.262206089895606,"quality":"neutral"},{"name":"Labha","start":"20:16","end":"21:35","startHours":20.262206089895606,"endHours":21.583565038850058,"quality":"auspicious"},{"name":"Amṛta","start":"21:35","end":"22:54","startHours":21.583565038850058,"endHours":22.90492398780451,"quality":"auspicious"},{"name":"Kāla","start":"22:54","end":"00:14","startHours":22.90492398780451,"endHours":24.226282936758956,"quality":"inauspicious"},{"name":"Śubha","start":"00:14","end":"01:33","startHours":24.226282936758956,"endHours":25.547641885713404,"quality":"auspicious"},{"name":"Roga","start":"01:33","end":"02:52","startHours":25.547641885713404,"endHours":26.869000834667855,"quality":"inauspicious"},{"name":"Udveg","start":"02:52","end":"04:11","startHours":26.869000834667855,"endHours":28.190359783622306,"quality":"inauspicious"},{"name":"Chala","start":"04:11","end":"05:31","startHours":28.190359783622306,"endHours":29.511718732576753,"quality":"neutral"}],"horas":[{"name":"Hora 1","start":"05:31","end":"06:31","startHours":5.511718732576754,"endHours":6.511718732576754,"planetary_lord":"Moon"},{"name":"Hora 2","start":"06:31","end":"07:31","startHours":6.511718732576754,"endHours":7.511718732576754,"planetary_lord":"Mercury"},{"name":"Hora 3","start":"07:31","end":"08:31","startHours":7.511718732576754,"endHours":8.511718732576753,"planetary_lord":"Venus"},{"name":"Hora 4","start":"08:31","end":"09:31","startHours":8.511718732576753,"endHours":9.511718732576753,"planetary_lord":"Sun"},{"name":"Hora 5","start":"09:31","end":"10:31","startHours":9.511718732576753,"endHours":10.511718732576753,"planetary_lord":"Mars"},{"name":"Hora 6","start":"10:31","end":"11:31","startHours":10.511718732576753,"endHours":11.511718732576753,"planetary_lord":"Jupiter"},{"name":"Hora 7","start":"11:31","end":"12:31","startHours":11.511718732576753,"endHours":12.511718732576753,"planetary_lord":"Saturn"},{"name":"Hora 8","start":"12:31","end":"13:31","startHours":12.511718732576753,"endHours":13.511718732576753,"planetary_lord":"Moon"},{"name":"Hora 9","start":"13:31","end":"14:31","startHours":13.511718732576753,"endHours":14.511718732576753,"planetary_lord":"Mercury"},{"name":"Hora 10","start":"14:31","end":"15:31","startHours":14.511718732576753,"endHours":15.511718732576753,"planetary_lord":"Venus"},{"name":"Hora 11","start":"15:31","end":"16:31","startHours":15.511718732576753,"endHours":16.511718732576753,"planetary_lord":"Sun"},{"name":"Hora 12","start":"16:31","end":"17:31","startHours":16.511718732576753,"endHours":17.511718732576753,"planetary_lord":"Mars"},{"name":"Hora 13","start":"17:31","end":"18:31","startHours":17.511718732576753,"endHours":18.511718732576753,"planetary_lord":"Jupiter"},{"name":"Hora 14","start":"18:31","end":"19:31","startHours":18.511718732576753,"endHours":19.511718732576753,"planetary_lord":"Saturn"},{"name":"Hora 15","start":"19:31","end":"20:31","startHours":19.511718732576753,"endHours":20.511718732576753,"planetary_lord":"Moon"},{"name":"Hora 16","start":"20:31","end":"21:31","startHours":20.511718732576753,"endHours":21.511718732576753,"planetary_lord":"Mercury"},{"name":"Hora 17","start":"21:31","end":"22:31","startHours":21.511718732576753,"endHours":22.511718732576753,"planetary_lord":"Venus"},{"name":"Hora 18","start":"22:31","end":"23:31","startHours":22.511718732576753,"endHours":23.511718732576753,"planetary_lord":"Sun"},{"name":"Hora 19","start":"23:31","end":"00:31","startHours":23.511718732576753,"endHours":24.511718732576753,"planetary_lord":"Mars"},{"name":"Hora 20","start":"00:31","end":"01:31","startHours":24.511718732576753,"endHours":25.511718732576753,"planetary_lord":"Jupiter"},{"name":"Hora 21","start":"01:31","end":"02:31","startHours":25.511718732576753,"endHours":26.511718732576753,"planetary_lord":"Saturn"},{"name":"Hora 22","start":"02:31","end":"03:31","startHours":26.511718732576753,"endHours":27.511718732576753,"planetary_lord":"Moon"},{"name":"Hora 23","start":"03:31","end":"04:31","startHours":27.511718732576753,"endHours":28.511718732576753,"planetary_lord":"Mercury"},{"name":"Hora 24","start":"04:31","end":"05:31","startHours":28.511718732576753,"endHours":29.511718732576753,"planetary_lord":"Venus"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā"],"unfavorable_nakshatras":["Ārdrā","Punarvasu","Puṣya","Aśleṣā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Vṛṣabha","Siṃha","Kanyā","Dhanu","Makara","Mīna"],"unfavorable_rashis":["Meṣa","Mithuna","Karka","Tulā","Vṛścika","Kumbha"]},"dishaShool":"East (Pūrva)","chandraVasa":"South-West","rahuVasa":"North-East","anandadiYoga":{"name":"Dhūmra","quality":"Inauspicious"},"drikRitu":"Vasanta (Spring) (Drik)","vedicRitu":"Vasanta (Spring)","drikAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":16.214732048010426,"eotMinutes":3.3526237944626183,"ayanamsa":23.8159}},"calendars":{"vikram_samvat":2054,"vikram_samvatsara":"Vikṛti","saka_samvat":1919,"saka_samvatsara":"Īśvara","bengali_samvat":1404,"malayalam_era":1173,"nanakshahi_year":528,"lunar_month":"Vaiśākha","lunar_month_paksha_full":"Vaiśākha Kṛṣṇa Pakṣa","solar_month":"Mēsha (Cittirai / Vaiśākhī)","ritu":"Vasanta (Spring)","display_summary":"Vaiśākha Kṛṣṇa Caturdaśī · Vikram 2054 Vikṛti · Śaka 1919 Īśvara"},"festivals":[{"id":"mesha-sankranti","name":"Meṣa Saṅkrānti (Vaiśākhī / Vishu / Pohelā Boishākh / Bihu)","name_sanskrit":"मेष सङ्क्रान्ति","tradition":"Pan-Hindu","associated_deity":"Sūrya Bhagavān","significance":"Sun enters Aries; solar new year. Regional: Vaiśākhī (Punjab) · Vishu (Kerala) · Pohelā Boishākh (Bengal) · Bihu (Assam) · Tamil Puthāṇḍu.","vrata":false,"detection":{"sun_rashi":"Meṣa"},"precedence":1},{"id":"baisakhi","name":"Baisakhi (Vaiśākhī)","name_sanskrit":"वैशाखी","tradition":"Regional","associated_deity":"Sūrya + Khalsa Pantha (Sikh)","significance":"Punjab New Year + Sikh Khalsa founding day.","vrata":false,"detection":{"sun_rashi":"Meṣa"},"precedence":2},{"id":"masika-shivaratri","name":"Māsika Śivarātri","name_sanskrit":"मासिक शिवरात्रि","tradition":"Shaiva","associated_deity":"Śiva","significance":"Monthly Śiva observance.","vrata":true,"detection":{"tithi_number":29,"tithi_paksha":"Kṛṣṇa"},"precedence":6}],"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 5, 1997 CE · Ṛṣikeśa · Vidhyamitra","description":"May 5, 1997 CE for Ṛṣikeśa: Kṛṣṇa Caturdaśī, sūryodaya 05:31, sūryāsta 18:56.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/1997-05-05","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/1997-05-05","sa":"https://sa.vidhyamitra.com/city/rishikesh/1997-05-05","hi":"https://hi.vidhyamitra.com/city/rishikesh/1997-05-05","x-default":"https://vidhyamitra.com/city/rishikesh/1997-05-05"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-17T00:50:16.854Z","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":"2026-05-17T00:50:16.854Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-17T00:50:16.854Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}