{"id":"vidhyamitra:city-day:rishikesh:2003-02-10:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/2003-02-10","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2003-02-10","date_display":"February 10, 2003 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":2003,"month":2,"day":10,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2452680.770833,"kali_year":5104,"ahargana":1864215.2708,"sun":{"sidereal_longitude":297.0445,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":34.741,"rashi":2,"rashi_name":"Vṛṣabha"},"tithi":{"number":9,"name":"Navamī","paksha":"Śukla","full_name":"Śukla Navamī","elongation_degrees":97.6965,"elapsed_within_tithi_degrees":1.6965},"nakshatra":{"number":3,"name":"Kṛttikā","pada":3,"moon_longitude":34.741,"elapsed_within_degrees":8.0743},"yoga":{"number":25,"name":"Brahma","sum_longitude":331.7855},"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":2003,"month":2,"day":10,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2452680.770833,"ahargana":1864215.2708,"kali_year":5104,"ayanamsa_lahiri":23.8964,"grahas":{"sun":{"sidereal_longitude":296.9812159999999,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":2},"retrograde":false},"moon":{"sidereal_longitude":33.19131600000003,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":2},"retrograde":false,"latitude":-0.7932},"mars":{"sidereal_longitude":231.437816,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":272.25501599999996,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":108.102416,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":1},"retrograde":true},"venus":{"sidereal_longitude":252.225416,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":58.262316,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":2},"retrograde":true},"rahu":{"sidereal_longitude":44.9037,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":224.9037,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","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":2003,"month":2,"day":10,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2452680.770833,"kali_year":5104,"ahargana":1864215.2708,"sun":{"sidereal_longitude":297.0445,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":34.741,"rashi":2,"rashi_name":"Vṛṣabha"},"tithi":{"number":9,"name":"Navamī","paksha":"Śukla","full_name":"Śukla Navamī","elongation_degrees":97.6965,"elapsed_within_tithi_degrees":1.6965},"nakshatra":{"number":3,"name":"Kṛttikā","pada":3,"moon_longitude":34.741,"elapsed_within_degrees":8.0743},"yoga":{"number":25,"name":"Brahma","sum_longitude":331.7855},"karana":{"half_tithi_index":16,"name":"Bālava"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-0.793,"elongation":97.697},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-0.793,"opposition_distance":82.303}},"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":"07:02","sunsetLocal":"18:01","solarNoonLocal":"12:31","dayLengthHours":10.982091884115304,"dayLengthDisplay":"10 Hours 58 Mins 56 Secs","nightLengthDisplay":"13 Hours 01 Mins 04 Secs","moonriseLocal":"12:06","moonsetLocal":"01:47","rahuKala":{"name":"Rāhu Kāla","start":"08:24","end":"09:47","startHours":8.406320301648831,"endHours":9.779081787163244,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"11:09","end":"12:31","startHours":11.151843272677656,"endHours":12.52460475819207,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"13:54","end":"15:16","startHours":13.897366243706482,"endHours":15.270127729220896,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:36","end":"09:58","startHours":9.59604692242799,"endHours":9.9621166518985,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:29","end":"07:47","startHours":7.491145977972556,"endHours":7.784001761548964,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:10","end":"12:53","startHours":12.15853502872156,"endHours":12.890674487662581,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:34","end":"06:18","startHours":5.569279898252377,"endHours":6.301419357193398,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:07","end":"07:02","startHours":6.1183844924581425,"endHours":7.033558816134418,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:21","end":"15:05","startHours":14.35495340554462,"endHours":15.08709286448564,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:49","end":"18:13","startHours":17.815650700249723,"endHours":18.21565070024972,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:01","end":"18:28","startHours":18.015650700249722,"endHours":18.47323786208786,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:46","end":"19:31","startHours":17.765650700249722,"endHours":19.515650700249722,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:10","end":"00:53","startHours":24.15853502872156,"endHours":24.89067448766258,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Amṛta","start":"07:02","end":"08:24","startHours":7.033558816134418,"endHours":8.406320301648831,"quality":"auspicious"},{"name":"Kāla","start":"08:24","end":"09:47","startHours":8.406320301648831,"endHours":9.779081787163244,"quality":"inauspicious"},{"name":"Śubha","start":"09:47","end":"11:09","startHours":9.779081787163244,"endHours":11.151843272677656,"quality":"auspicious"},{"name":"Roga","start":"11:09","end":"12:31","startHours":11.151843272677656,"endHours":12.52460475819207,"quality":"inauspicious"},{"name":"Udveg","start":"12:31","end":"13:54","startHours":12.52460475819207,"endHours":13.897366243706482,"quality":"inauspicious"},{"name":"Chala","start":"13:54","end":"15:16","startHours":13.897366243706482,"endHours":15.270127729220896,"quality":"neutral"},{"name":"Labha","start":"15:16","end":"16:39","startHours":15.270127729220896,"endHours":16.64288921473531,"quality":"auspicious"},{"name":"Amṛta","start":"16:39","end":"18:01","startHours":16.64288921473531,"endHours":18.015650700249722,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Chala","start":"18:01","end":"19:39","startHours":18.015650700249722,"endHours":19.64288921473531,"quality":"neutral"},{"name":"Labha","start":"19:39","end":"21:16","startHours":19.64288921473531,"endHours":21.270127729220896,"quality":"auspicious"},{"name":"Amṛta","start":"21:16","end":"22:54","startHours":21.270127729220896,"endHours":22.897366243706482,"quality":"auspicious"},{"name":"Kāla","start":"22:54","end":"00:31","startHours":22.897366243706482,"endHours":24.52460475819207,"quality":"inauspicious"},{"name":"Śubha","start":"00:31","end":"02:09","startHours":24.52460475819207,"endHours":26.15184327267766,"quality":"auspicious"},{"name":"Roga","start":"02:09","end":"03:47","startHours":26.15184327267766,"endHours":27.779081787163243,"quality":"inauspicious"},{"name":"Udveg","start":"03:47","end":"05:24","startHours":27.779081787163243,"endHours":29.406320301648833,"quality":"inauspicious"},{"name":"Chala","start":"05:24","end":"07:02","startHours":29.406320301648833,"endHours":31.033558816134416,"quality":"neutral"}],"horas":[{"name":"Hora 1","start":"07:02","end":"08:02","startHours":7.033558816134418,"endHours":8.033558816134418,"planetary_lord":"Moon"},{"name":"Hora 2","start":"08:02","end":"09:02","startHours":8.033558816134418,"endHours":9.033558816134418,"planetary_lord":"Mercury"},{"name":"Hora 3","start":"09:02","end":"10:02","startHours":9.033558816134418,"endHours":10.033558816134418,"planetary_lord":"Venus"},{"name":"Hora 4","start":"10:02","end":"11:02","startHours":10.033558816134418,"endHours":11.033558816134418,"planetary_lord":"Sun"},{"name":"Hora 5","start":"11:02","end":"12:02","startHours":11.033558816134418,"endHours":12.033558816134418,"planetary_lord":"Mars"},{"name":"Hora 6","start":"12:02","end":"13:02","startHours":12.033558816134418,"endHours":13.033558816134418,"planetary_lord":"Jupiter"},{"name":"Hora 7","start":"13:02","end":"14:02","startHours":13.033558816134418,"endHours":14.033558816134418,"planetary_lord":"Saturn"},{"name":"Hora 8","start":"14:02","end":"15:02","startHours":14.033558816134418,"endHours":15.033558816134418,"planetary_lord":"Moon"},{"name":"Hora 9","start":"15:02","end":"16:02","startHours":15.033558816134418,"endHours":16.033558816134416,"planetary_lord":"Mercury"},{"name":"Hora 10","start":"16:02","end":"17:02","startHours":16.033558816134416,"endHours":17.033558816134416,"planetary_lord":"Venus"},{"name":"Hora 11","start":"17:02","end":"18:02","startHours":17.033558816134416,"endHours":18.033558816134416,"planetary_lord":"Sun"},{"name":"Hora 12","start":"18:02","end":"19:02","startHours":18.033558816134416,"endHours":19.033558816134416,"planetary_lord":"Mars"},{"name":"Hora 13","start":"19:02","end":"20:02","startHours":19.033558816134416,"endHours":20.033558816134416,"planetary_lord":"Jupiter"},{"name":"Hora 14","start":"20:02","end":"21:02","startHours":20.033558816134416,"endHours":21.033558816134416,"planetary_lord":"Saturn"},{"name":"Hora 15","start":"21:02","end":"22:02","startHours":21.033558816134416,"endHours":22.033558816134416,"planetary_lord":"Moon"},{"name":"Hora 16","start":"22:02","end":"23:02","startHours":22.033558816134416,"endHours":23.033558816134416,"planetary_lord":"Mercury"},{"name":"Hora 17","start":"23:02","end":"00:02","startHours":23.033558816134416,"endHours":24.033558816134416,"planetary_lord":"Venus"},{"name":"Hora 18","start":"00:02","end":"01:02","startHours":24.033558816134416,"endHours":25.033558816134416,"planetary_lord":"Sun"},{"name":"Hora 19","start":"01:02","end":"02:02","startHours":25.033558816134416,"endHours":26.033558816134416,"planetary_lord":"Mars"},{"name":"Hora 20","start":"02:02","end":"03:02","startHours":26.033558816134416,"endHours":27.033558816134416,"planetary_lord":"Jupiter"},{"name":"Hora 21","start":"03:02","end":"04:02","startHours":27.033558816134416,"endHours":28.033558816134416,"planetary_lord":"Saturn"},{"name":"Hora 22","start":"04:02","end":"05:02","startHours":28.033558816134416,"endHours":29.033558816134416,"planetary_lord":"Moon"},{"name":"Hora 23","start":"05:02","end":"06:02","startHours":29.033558816134416,"endHours":30.033558816134416,"planetary_lord":"Mercury"},{"name":"Hora 24","start":"06:02","end":"07:02","startHours":30.033558816134416,"endHours":31.033558816134416,"planetary_lord":"Venus"}],"taraBala":{"favorable_nakshatras":["Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Hasta","Citrā","Svātī","Viśākhā","Anurādhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Vṛṣabha","Karka","Tulā","Vṛścika","Kumbha","Mīna"],"unfavorable_rashis":["Meṣa","Mithuna","Siṃha","Kanyā","Dhanu","Makara"]},"dishaShool":"East (Pūrva)","chandraVasa":"South-East","rahuVasa":"North-East","anandadiYoga":{"name":"Dhvaja","quality":"Auspicious"},"drikRitu":"Śiśira (Winter) (Drik)","vedicRitu":"Hemanta (Pre-winter)","drikAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":-14.534375073340254,"eotMinutes":-14.546685491524224,"ayanamsa":23.8964}},"calendars":{"vikram_samvat":2060,"vikram_samvatsara":"Durmukhi","saka_samvat":1925,"saka_samvatsara":"Subhānu","bengali_samvat":1410,"malayalam_era":1179,"nanakshahi_year":534,"lunar_month":"Māgha","lunar_month_paksha_full":"Māgha Śukla Pakṣa","solar_month":"Makara (Tai)","ritu":"Śiśira (Winter)","display_summary":"Māgha Śukla Navamī · Vikram 2060 Durmukhi · Śaka 1925 Subhānu"},"festivals":[{"id":"makara-sankranti","name":"Makara Saṅkrānti (Uttarāyaṇa)","name_sanskrit":"मकर सङ्क्रान्ति","tradition":"Pan-Hindu","associated_deity":"Sūrya Bhagavān","significance":"Sun enters Capricorn; Uttarāyaṇa (north-going) begins. Bhīṣma's chosen mahaprasthāna time.","vrata":true,"detection":{"sun_rashi":"Makara"},"precedence":1,"sources":["Mahābhārata Bhīṣma-Stuti","Sūrya-Siddhānta"]},{"id":"pongal","name":"Pongal / Thai Pongal","name_sanskrit":"पोङ्गल","tradition":"Regional","associated_deity":"Sūrya Bhagavān","significance":"Tamil 4-day harvest festival; coincides with Makara Saṅkrānti.","vrata":false,"detection":{"sun_rashi":"Makara"},"precedence":2}],"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":"-3137-10-04","event":"Mahābhārata Day 1 (Bhagavad Gītā delivered)","chart_id":"krishna","shared_marker":"same Kṛttikā","url":"/day/-3137-10-04","relevance":0.5},{"historical_date":"-3137-12-25","event":"Bhīṣma's Mahaprasthan","chart_id":"bhishma","shared_marker":"same Kṛttikā","url":"/day/-3137-12-25","relevance":0.5},{"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 February 10, 2003 CE · Ṛṣikeśa · Vidhyamitra","description":"February 10, 2003 CE for Ṛṣikeśa: Śukla Navamī, sūryodaya 07:02, sūryāsta 18:01.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/2003-02-10","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/2003-02-10","sa":"https://sa.vidhyamitra.com/city/rishikesh/2003-02-10","hi":"https://hi.vidhyamitra.com/city/rishikesh/2003-02-10","x-default":"https://vidhyamitra.com/city/rishikesh/2003-02-10"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-16T14:27:16.683Z","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":"2026-05-16T14:27:16.683Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-16T14:27:16.683Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}