{"id":"vidhyamitra:city-day:rishikesh:1997-03-17:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/1997-03-17","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1997-03-17","date_display":"March 17, 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":3,"day":17,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2450524.770833,"kali_year":5098,"ahargana":1862059.2708,"sun":{"sidereal_longitude":332.8585,"rashi":12,"rashi_name":"Mīna"},"moon":{"sidereal_longitude":71.887,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":9,"name":"Navamī","paksha":"Śukla","full_name":"Śukla Navamī","elongation_degrees":99.0285,"elapsed_within_tithi_degrees":3.0285},"nakshatra":{"number":6,"name":"Ārdrā","pada":2,"moon_longitude":71.887,"elapsed_within_degrees":5.2203},"yoga":{"number":4,"name":"Saubhāgya","sum_longitude":44.7455},"karana":{"half_tithi_index":16,"name":"Bālava"},"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":3,"day":17,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2450524.770833,"ahargana":1862059.2708,"kali_year":5098,"ayanamsa_lahiri":23.814,"grahas":{"sun":{"sidereal_longitude":332.6738909999999,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":4},"retrograde":false},"moon":{"sidereal_longitude":74.54069099999998,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":3},"retrograde":false,"latitude":-4.4948},"mars":{"sidereal_longitude":153.02309100000002,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":2},"retrograde":true},"mercury":{"sidereal_longitude":337.849591,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":288.402691,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":3},"retrograde":false},"venus":{"sidereal_longitude":328.55199100000004,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":344.701091,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":4},"retrograde":false},"rahu":{"sidereal_longitude":159.139,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":339.139,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":2},"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":3,"day":17,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2450524.770833,"kali_year":5098,"ahargana":1862059.2708,"sun":{"sidereal_longitude":332.8585,"rashi":12,"rashi_name":"Mīna"},"moon":{"sidereal_longitude":71.887,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":9,"name":"Navamī","paksha":"Śukla","full_name":"Śukla Navamī","elongation_degrees":99.0285,"elapsed_within_tithi_degrees":3.0285},"nakshatra":{"number":6,"name":"Ārdrā","pada":2,"moon_longitude":71.887,"elapsed_within_degrees":5.2203},"yoga":{"number":4,"name":"Saubhāgya","sum_longitude":44.7455},"karana":{"half_tithi_index":16,"name":"Bālava"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-4.495,"elongation":99.028},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-4.495,"opposition_distance":80.972}},"eclipse_window_40days":[{"offset_days":-8,"type":"solar","occurs":true,"moon_latitude":1.134,"elongation":0.078},{"offset_days":7,"type":"lunar","occurs":true,"moon_latitude":-0.031,"opposition_distance":1.434}]},"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":"06:25","sunsetLocal":"18:27","solarNoonLocal":"12:26","dayLengthHours":12.020521616954852,"dayLengthDisplay":"12 Hours 01 Mins 14 Secs","nightLengthDisplay":"11 Hours 58 Mins 46 Secs","moonriseLocal":"12:13","moonsetLocal":"02:14","rahuKala":{"name":"Rāhu Kāla","start":"07:56","end":"09:26","startHours":7.925528416845641,"endHours":9.428093618964997,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"10:56","end":"12:26","startHours":10.930658821084354,"endHours":12.43322402320371,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"13:56","end":"15:26","startHours":13.935789225323067,"endHours":15.438354427442423,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:14","end":"09:38","startHours":9.22775159201575,"endHours":9.628435645914244,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:55","end":"07:15","startHours":6.923818282099403,"endHours":7.2443655252182,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:02","end":"12:50","startHours":12.032539969305216,"endHours":12.833908077102205,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:49","end":"05:37","startHours":4.820226999132304,"endHours":5.621595106929294,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:25","end":"06:25","startHours":5.421253079980046,"endHours":6.422963214726284,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:26","end":"15:14","startHours":14.436644292696187,"endHours":15.238012400493178,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:15","end":"18:39","startHours":18.243484831681137,"endHours":18.643484831681135,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:27","end":"18:57","startHours":18.443484831681136,"endHours":18.944339899054256,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:12","end":"19:57","startHours":18.193484831681136,"endHours":19.943484831681136,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:02","end":"00:50","startHours":24.032539969305216,"endHours":24.833908077102205,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Amṛta","start":"06:25","end":"07:56","startHours":6.422963214726284,"endHours":7.925528416845641,"quality":"auspicious"},{"name":"Kāla","start":"07:56","end":"09:26","startHours":7.925528416845641,"endHours":9.428093618964997,"quality":"inauspicious"},{"name":"Śubha","start":"09:26","end":"10:56","startHours":9.428093618964997,"endHours":10.930658821084354,"quality":"auspicious"},{"name":"Roga","start":"10:56","end":"12:26","startHours":10.930658821084354,"endHours":12.43322402320371,"quality":"inauspicious"},{"name":"Udveg","start":"12:26","end":"13:56","startHours":12.43322402320371,"endHours":13.935789225323067,"quality":"inauspicious"},{"name":"Chala","start":"13:56","end":"15:26","startHours":13.935789225323067,"endHours":15.438354427442423,"quality":"neutral"},{"name":"Labha","start":"15:26","end":"16:56","startHours":15.438354427442423,"endHours":16.94091962956178,"quality":"auspicious"},{"name":"Amṛta","start":"16:56","end":"18:27","startHours":16.94091962956178,"endHours":18.443484831681136,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Chala","start":"18:27","end":"19:56","startHours":18.443484831681136,"endHours":19.94091962956178,"quality":"neutral"},{"name":"Labha","start":"19:56","end":"21:26","startHours":19.94091962956178,"endHours":21.438354427442423,"quality":"auspicious"},{"name":"Amṛta","start":"21:26","end":"22:56","startHours":21.438354427442423,"endHours":22.935789225323067,"quality":"auspicious"},{"name":"Kāla","start":"22:56","end":"00:26","startHours":22.935789225323067,"endHours":24.43322402320371,"quality":"inauspicious"},{"name":"Śubha","start":"00:26","end":"01:56","startHours":24.43322402320371,"endHours":25.930658821084354,"quality":"auspicious"},{"name":"Roga","start":"01:56","end":"03:26","startHours":25.930658821084354,"endHours":27.428093618964997,"quality":"inauspicious"},{"name":"Udveg","start":"03:26","end":"04:56","startHours":27.428093618964997,"endHours":28.92552841684564,"quality":"inauspicious"},{"name":"Chala","start":"04:56","end":"06:25","startHours":28.92552841684564,"endHours":30.422963214726284,"quality":"neutral"}],"horas":[{"name":"Hora 1","start":"06:25","end":"07:25","startHours":6.422963214726284,"endHours":7.422963214726284,"planetary_lord":"Moon"},{"name":"Hora 2","start":"07:25","end":"08:25","startHours":7.422963214726284,"endHours":8.422963214726284,"planetary_lord":"Mercury"},{"name":"Hora 3","start":"08:25","end":"09:25","startHours":8.422963214726284,"endHours":9.422963214726284,"planetary_lord":"Venus"},{"name":"Hora 4","start":"09:25","end":"10:25","startHours":9.422963214726284,"endHours":10.422963214726284,"planetary_lord":"Sun"},{"name":"Hora 5","start":"10:25","end":"11:25","startHours":10.422963214726284,"endHours":11.422963214726284,"planetary_lord":"Mars"},{"name":"Hora 6","start":"11:25","end":"12:25","startHours":11.422963214726284,"endHours":12.422963214726284,"planetary_lord":"Jupiter"},{"name":"Hora 7","start":"12:25","end":"13:25","startHours":12.422963214726284,"endHours":13.422963214726284,"planetary_lord":"Saturn"},{"name":"Hora 8","start":"13:25","end":"14:25","startHours":13.422963214726284,"endHours":14.422963214726284,"planetary_lord":"Moon"},{"name":"Hora 9","start":"14:25","end":"15:25","startHours":14.422963214726284,"endHours":15.422963214726284,"planetary_lord":"Mercury"},{"name":"Hora 10","start":"15:25","end":"16:25","startHours":15.422963214726284,"endHours":16.422963214726284,"planetary_lord":"Venus"},{"name":"Hora 11","start":"16:25","end":"17:25","startHours":16.422963214726284,"endHours":17.422963214726284,"planetary_lord":"Sun"},{"name":"Hora 12","start":"17:25","end":"18:25","startHours":17.422963214726284,"endHours":18.422963214726284,"planetary_lord":"Mars"},{"name":"Hora 13","start":"18:25","end":"19:25","startHours":18.422963214726284,"endHours":19.422963214726284,"planetary_lord":"Jupiter"},{"name":"Hora 14","start":"19:25","end":"20:25","startHours":19.422963214726284,"endHours":20.422963214726284,"planetary_lord":"Saturn"},{"name":"Hora 15","start":"20:25","end":"21:25","startHours":20.422963214726284,"endHours":21.422963214726284,"planetary_lord":"Moon"},{"name":"Hora 16","start":"21:25","end":"22:25","startHours":21.422963214726284,"endHours":22.422963214726284,"planetary_lord":"Mercury"},{"name":"Hora 17","start":"22:25","end":"23:25","startHours":22.422963214726284,"endHours":23.422963214726284,"planetary_lord":"Venus"},{"name":"Hora 18","start":"23:25","end":"00:25","startHours":23.422963214726284,"endHours":24.422963214726284,"planetary_lord":"Sun"},{"name":"Hora 19","start":"00:25","end":"01:25","startHours":24.422963214726284,"endHours":25.422963214726284,"planetary_lord":"Mars"},{"name":"Hora 20","start":"01:25","end":"02:25","startHours":25.422963214726284,"endHours":26.422963214726284,"planetary_lord":"Jupiter"},{"name":"Hora 21","start":"02:25","end":"03:25","startHours":26.422963214726284,"endHours":27.422963214726284,"planetary_lord":"Saturn"},{"name":"Hora 22","start":"03:25","end":"04:25","startHours":27.422963214726284,"endHours":28.422963214726284,"planetary_lord":"Moon"},{"name":"Hora 23","start":"04:25","end":"05:25","startHours":28.422963214726284,"endHours":29.422963214726284,"planetary_lord":"Mercury"},{"name":"Hora 24","start":"05:25","end":"06:25","startHours":29.422963214726284,"endHours":30.422963214726284,"planetary_lord":"Venus"}],"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","Mithuna","Siṃha","Vṛścika","Dhanu","Mīna"],"unfavorable_rashis":["Vṛṣabha","Karka","Kanyā","Tulā","Makara","Kumbha"]},"dishaShool":"East (Pūrva)","chandraVasa":"South","rahuVasa":"North-East","anandadiYoga":{"name":"Mudgara","quality":"Inauspicious"},"drikRitu":"Śiśira (Winter)","vedicRitu":"Śiśira (Winter)","drikAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":-1.396143300967246,"eotMinutes":-9.063841392222612,"ayanamsa":23.814}},"calendars":{"vikram_samvat":2054,"vikram_samvatsara":"Vikṛti","saka_samvat":1919,"saka_samvatsara":"Īśvara","bengali_samvat":1404,"malayalam_era":1173,"nanakshahi_year":528,"lunar_month":"Caitra","lunar_month_paksha_full":"Caitra Śukla Pakṣa","solar_month":"Mīna (Paṅkuṇi)","ritu":"Vasanta (Spring)","display_summary":"Caitra Śukla Navamī · Vikram 2054 Vikṛti · Śaka 1919 Īśvara"},"festivals":[{"id":"rama-navami","name":"Rāma Navamī","name_sanskrit":"राम नवमी","tradition":"Vaishnava","associated_deity":"Rāma (18th avatāra of Krishna)","deity_avatara_index":18,"significance":"Bhagavān Rāma's birth at Ayodhyā. Sūryavaṃśa's most exalted moment.","vrata":true,"primary_observance":"Madhyāhna (noon) abhiṣekam in Ayodhyā tradition","detection":{"tithi_number":9,"tithi_paksha":"Śukla","lunar_month":"Caitra"},"precedence":1,"related_chart":"rama","historical_anchor":{"event":"Bhagavān Rāma's birth at Ayodhyā","date_julian":"-1626101-04-03","location":"Ayodhyā"},"sources":["Vālmīki Rāmāyaṇa, Bāla-Kāṇḍa 1.18"]},{"id":"mina-sankranti","name":"Mīna Saṅkrānti","name_sanskrit":"मीन सङ्क्रान्ति","tradition":"Pan-Hindu","significance":"Sun enters Pisces; Mīna-māsa begins.","vrata":false,"detection":{"sun_rashi":"Mīna"},"precedence":5}],"todays_walk":{"walk":{"id":"rama-navami-walk","name":"Rāma Navamī Walk","name_sanskrit":"राम नवमी यात्रा","type":"festival","description":"Vālmīki Bāla-Kāṇḍa selections + BG 4.7-8 (avatāra principle).","step_count":9,"url":"/walk/rama-navami-walk"},"reason":"Today is Rāma Navamī — its dedicated walk."},"cosmic_resonances":[{"historical_date":"-1626101-04-03","event":"Bhagavān Rāma's birth at Ayodhyā","chart_id":"rama","shared_marker":"same Śukla Navamī","url":"/day/-1626101-04-03","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 March 17, 1997 CE · Ṛṣikeśa · Vidhyamitra","description":"March 17, 1997 CE for Ṛṣikeśa: Śukla Navamī, sūryodaya 06:25, sūryāsta 18:27.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/1997-03-17","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/1997-03-17","sa":"https://sa.vidhyamitra.com/city/rishikesh/1997-03-17","hi":"https://hi.vidhyamitra.com/city/rishikesh/1997-03-17","x-default":"https://vidhyamitra.com/city/rishikesh/1997-03-17"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-17T10:02:10.347Z","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":"2026-05-17T10:02:10.347Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-17T10:02:10.347Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}