{"id":"vidhyamitra:city-day:rishikesh:1998-05-03:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/1998-05-03","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1998-05-03","date_display":"May 3, 1998 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":1998,"month":5,"day":3,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2450936.770833,"kali_year":5100,"ahargana":1862471.2708,"sun":{"sidereal_longitude":18.6462,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":101.6516,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":7,"name":"Saptamī","paksha":"Śukla","full_name":"Śukla Saptamī","elongation_degrees":83.0054,"elapsed_within_tithi_degrees":11.0054},"nakshatra":{"number":8,"name":"Puṣya","pada":3,"moon_longitude":101.6516,"elapsed_within_degrees":8.3183},"yoga":{"number":10,"name":"Gaṇḍa","sum_longitude":120.2978},"karana":{"half_tithi_index":13,"name":"Vaṇija"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"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":1998,"month":5,"day":3,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2450936.770833,"ahargana":1862471.2708,"kali_year":5100,"ayanamsa_lahiri":23.8297,"grahas":{"sun":{"sidereal_longitude":18.591148999999973,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":2},"retrograde":false},"moon":{"sidereal_longitude":104.20974899999999,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":4},"retrograde":false,"latitude":-2.6215},"mars":{"sidereal_longitude":20.999348999999995,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":352.024149,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":326.0839490000001,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":2},"retrograde":false},"venus":{"sidereal_longitude":335.359549,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":1.959649000000013,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":1},"retrograde":false},"rahu":{"sidereal_longitude":137.3092,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":317.3092,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","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":1998,"month":5,"day":3,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2450936.770833,"kali_year":5100,"ahargana":1862471.2708,"sun":{"sidereal_longitude":18.6462,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":101.6516,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":7,"name":"Saptamī","paksha":"Śukla","full_name":"Śukla Saptamī","elongation_degrees":83.0054,"elapsed_within_tithi_degrees":11.0054},"nakshatra":{"number":8,"name":"Puṣya","pada":3,"moon_longitude":101.6516,"elapsed_within_degrees":8.3183},"yoga":{"number":10,"name":"Gaṇḍa","sum_longitude":120.2978},"karana":{"half_tithi_index":13,"name":"Vaṇija"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-2.621,"elongation":83.005},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-2.621,"opposition_distance":96.995}},"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":"05:33","sunsetLocal":"18:55","solarNoonLocal":"12:14","dayLengthHours":13.373339211221044,"dayLengthDisplay":"13 Hours 22 Mins 24 Secs","nightLengthDisplay":"10 Hours 37 Mins 36 Secs","moonriseLocal":"11:09","moonsetLocal":"00:43","rahuKala":{"name":"Rāhu Kāla","start":"17:15","end":"18:55","startHours":17.244585729565873,"endHours":18.916253130968503,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"12:14","end":"13:54","startHours":12.229583525357981,"endHours":13.90125092676061,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"15:34","end":"17:15","startHours":15.572918328163244,"endHours":17.244585729565873,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:40","end":"09:07","startHours":8.663359735699036,"endHours":9.109137709406404,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:06","end":"06:27","startHours":6.10013638688167,"endHours":6.456758765847565,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:47","end":"12:41","startHours":11.783805551650612,"endHours":12.67536149906535,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:46","end":"04:39","startHours":3.7598020249179873,"endHours":4.651357972332724,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:26","end":"05:33","startHours":4.428468985479039,"endHours":5.54291391974746,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:28","end":"15:21","startHours":14.45847339389482,"endHours":15.350029341309556,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:43","end":"19:07","startHours":18.716253130968504,"endHours":19.116253130968502,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:55","end":"19:28","startHours":18.916253130968503,"endHours":19.473475598102713,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:40","end":"20:25","startHours":18.666253130968503,"endHours":20.416253130968503,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:47","end":"00:41","startHours":23.783805551650612,"endHours":24.67536149906535,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Udveg","start":"05:33","end":"07:13","startHours":5.54291391974746,"endHours":7.21458132115009,"quality":"inauspicious"},{"name":"Chala","start":"07:13","end":"08:53","startHours":7.21458132115009,"endHours":8.886248722552722,"quality":"neutral"},{"name":"Labha","start":"08:53","end":"10:33","startHours":8.886248722552722,"endHours":10.557916123955351,"quality":"auspicious"},{"name":"Amṛta","start":"10:33","end":"12:14","startHours":10.557916123955351,"endHours":12.229583525357981,"quality":"auspicious"},{"name":"Kāla","start":"12:14","end":"13:54","startHours":12.229583525357981,"endHours":13.90125092676061,"quality":"inauspicious"},{"name":"Śubha","start":"13:54","end":"15:34","startHours":13.90125092676061,"endHours":15.572918328163244,"quality":"auspicious"},{"name":"Roga","start":"15:34","end":"17:15","startHours":15.572918328163244,"endHours":17.244585729565873,"quality":"inauspicious"},{"name":"Udveg","start":"17:15","end":"18:55","startHours":17.244585729565873,"endHours":18.916253130968503,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Śubha","start":"18:55","end":"20:15","startHours":18.916253130968503,"endHours":20.244585729565873,"quality":"auspicious"},{"name":"Roga","start":"20:15","end":"21:34","startHours":20.244585729565873,"endHours":21.57291832816324,"quality":"inauspicious"},{"name":"Udveg","start":"21:34","end":"22:54","startHours":21.57291832816324,"endHours":22.90125092676061,"quality":"inauspicious"},{"name":"Chala","start":"22:54","end":"00:14","startHours":22.90125092676061,"endHours":24.22958352535798,"quality":"neutral"},{"name":"Labha","start":"00:14","end":"01:33","startHours":24.22958352535798,"endHours":25.55791612395535,"quality":"auspicious"},{"name":"Amṛta","start":"01:33","end":"02:53","startHours":25.55791612395535,"endHours":26.886248722552722,"quality":"auspicious"},{"name":"Kāla","start":"02:53","end":"04:13","startHours":26.886248722552722,"endHours":28.21458132115009,"quality":"inauspicious"},{"name":"Śubha","start":"04:13","end":"05:33","startHours":28.21458132115009,"endHours":29.54291391974746,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"05:33","end":"06:33","startHours":5.54291391974746,"endHours":6.54291391974746,"planetary_lord":"Sun"},{"name":"Hora 2","start":"06:33","end":"07:33","startHours":6.54291391974746,"endHours":7.54291391974746,"planetary_lord":"Mars"},{"name":"Hora 3","start":"07:33","end":"08:33","startHours":7.54291391974746,"endHours":8.542913919747459,"planetary_lord":"Jupiter"},{"name":"Hora 4","start":"08:33","end":"09:33","startHours":8.542913919747459,"endHours":9.542913919747459,"planetary_lord":"Saturn"},{"name":"Hora 5","start":"09:33","end":"10:33","startHours":9.542913919747459,"endHours":10.542913919747459,"planetary_lord":"Moon"},{"name":"Hora 6","start":"10:33","end":"11:33","startHours":10.542913919747459,"endHours":11.542913919747459,"planetary_lord":"Mercury"},{"name":"Hora 7","start":"11:33","end":"12:33","startHours":11.542913919747459,"endHours":12.542913919747459,"planetary_lord":"Venus"},{"name":"Hora 8","start":"12:33","end":"13:33","startHours":12.542913919747459,"endHours":13.542913919747459,"planetary_lord":"Sun"},{"name":"Hora 9","start":"13:33","end":"14:33","startHours":13.542913919747459,"endHours":14.542913919747459,"planetary_lord":"Mars"},{"name":"Hora 10","start":"14:33","end":"15:33","startHours":14.542913919747459,"endHours":15.542913919747459,"planetary_lord":"Jupiter"},{"name":"Hora 11","start":"15:33","end":"16:33","startHours":15.542913919747459,"endHours":16.54291391974746,"planetary_lord":"Saturn"},{"name":"Hora 12","start":"16:33","end":"17:33","startHours":16.54291391974746,"endHours":17.54291391974746,"planetary_lord":"Moon"},{"name":"Hora 13","start":"17:33","end":"18:33","startHours":17.54291391974746,"endHours":18.54291391974746,"planetary_lord":"Mercury"},{"name":"Hora 14","start":"18:33","end":"19:33","startHours":18.54291391974746,"endHours":19.54291391974746,"planetary_lord":"Venus"},{"name":"Hora 15","start":"19:33","end":"20:33","startHours":19.54291391974746,"endHours":20.54291391974746,"planetary_lord":"Sun"},{"name":"Hora 16","start":"20:33","end":"21:33","startHours":20.54291391974746,"endHours":21.54291391974746,"planetary_lord":"Mars"},{"name":"Hora 17","start":"21:33","end":"22:33","startHours":21.54291391974746,"endHours":22.54291391974746,"planetary_lord":"Jupiter"},{"name":"Hora 18","start":"22:33","end":"23:33","startHours":22.54291391974746,"endHours":23.54291391974746,"planetary_lord":"Saturn"},{"name":"Hora 19","start":"23:33","end":"00:33","startHours":23.54291391974746,"endHours":24.54291391974746,"planetary_lord":"Moon"},{"name":"Hora 20","start":"00:33","end":"01:33","startHours":24.54291391974746,"endHours":25.54291391974746,"planetary_lord":"Mercury"},{"name":"Hora 21","start":"01:33","end":"02:33","startHours":25.54291391974746,"endHours":26.54291391974746,"planetary_lord":"Venus"},{"name":"Hora 22","start":"02:33","end":"03:33","startHours":26.54291391974746,"endHours":27.54291391974746,"planetary_lord":"Sun"},{"name":"Hora 23","start":"03:33","end":"04:33","startHours":27.54291391974746,"endHours":28.54291391974746,"planetary_lord":"Mars"},{"name":"Hora 24","start":"04:33","end":"05:33","startHours":28.54291391974746,"endHours":29.54291391974746,"planetary_lord":"Jupiter"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Revatī"],"unfavorable_nakshatras":["Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Citrā","Svātī","Viśākhā","Anurādhā","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Vṛṣabha","Karka","Kanyā","Dhanu","Makara"],"unfavorable_rashis":["Mithuna","Siṃha","Tulā","Vṛścika","Kumbha","Mīna"]},"dishaShool":"West (Paścim)","chandraVasa":"South-West","rahuVasa":"North-East","anandadiYoga":{"name":"Śrīvatsa","quality":"Auspicious"},"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":15.563060934542618,"eotMinutes":3.154588478521171,"ayanamsa":23.8297}},"calendars":{"vikram_samvat":2055,"vikram_samvatsara":"Khara","saka_samvat":1920,"saka_samvatsara":"Bahudhānya","bengali_samvat":1405,"malayalam_era":1174,"nanakshahi_year":529,"lunar_month":"Vaiśākha","lunar_month_paksha_full":"Vaiśākha Śukla Pakṣa","solar_month":"Mēsha (Cittirai / Vaiśākhī)","ritu":"Vasanta (Spring)","display_summary":"Vaiśākha Śukla Saptamī · Vikram 2055 Khara · Śaka 1920 Bahudhānya"},"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":"ganga-saptami","name":"Gaṅgā Saptamī","name_sanskrit":"गङ्गा सप्तमी","tradition":"Pan-Hindu","associated_deity":"Devī Gaṅgā","significance":"Gaṅgā Devī's descent to Brahma-loka before her earth-descent.","vrata":true,"detection":{"tithi_number":7,"tithi_paksha":"Śukla","lunar_month":"Vaiśākha"},"precedence":4}],"todays_walk":{"walk":{"id":"surya-walk","name":"Sūrya Walk","name_sanskrit":"सूर्य यात्रा","type":"graha","description":"Self-illumination + BG 4.1 (Sun-lineage of Gītā transmission).","step_count":6,"url":"/walk/surya-walk"},"reason":"Ravivāra (Sunday) — 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 3, 1998 CE · Ṛṣikeśa · Vidhyamitra","description":"May 3, 1998 CE for Ṛṣikeśa: Śukla Saptamī, sūryodaya 05:33, sūryāsta 18:55.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/1998-05-03","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/1998-05-03","sa":"https://sa.vidhyamitra.com/city/rishikesh/1998-05-03","hi":"https://hi.vidhyamitra.com/city/rishikesh/1998-05-03","x-default":"https://vidhyamitra.com/city/rishikesh/1998-05-03"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-16T23:25:29.683Z","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":"2026-05-16T23:25:29.683Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-16T23:25:29.683Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}