{"id":"vidhyamitra:city-day:rishikesh:2103-10-28:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/2103-10-28","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2103-10-28","date_display":"October 28, 2103 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":2103,"month":10,"day":28,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2489464.770833,"kali_year":5205,"ahargana":1900999.2708,"sun":{"sidereal_longitude":187.7109,"rashi":7,"rashi_name":"Tulā"},"moon":{"sidereal_longitude":153.223,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":28,"name":"Trayodaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Trayodaśī","elongation_degrees":325.5122,"elapsed_within_tithi_degrees":1.5122},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":2,"moon_longitude":153.223,"elapsed_within_degrees":6.5563},"yoga":{"number":26,"name":"Indra","sum_longitude":340.9339},"karana":{"half_tithi_index":54,"name":"Gara"},"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":2103,"month":10,"day":28,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2489464.770833,"ahargana":1900999.2708,"kali_year":5205,"ayanamsa_lahiri":25.3033,"grahas":{"sun":{"sidereal_longitude":188.668496,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":1},"retrograde":false},"moon":{"sidereal_longitude":155.40479600000003,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":3},"retrograde":false,"latitude":-4.3899},"mars":{"sidereal_longitude":91.938196,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":7,"name":"Punarvasu","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":203.79339600000003,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":264.31039599999997,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":4},"retrograde":false},"venus":{"sidereal_longitude":142.969696,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":214.625996,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":1},"retrograde":false},"rahu":{"sidereal_longitude":255.9104,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":75.9104,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":3},"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":2103,"month":10,"day":28,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2489464.770833,"kali_year":5205,"ahargana":1900999.2708,"sun":{"sidereal_longitude":187.7109,"rashi":7,"rashi_name":"Tulā"},"moon":{"sidereal_longitude":153.223,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":28,"name":"Trayodaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Trayodaśī","elongation_degrees":325.5122,"elapsed_within_tithi_degrees":1.5122},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":2,"moon_longitude":153.223,"elapsed_within_degrees":6.5563},"yoga":{"number":26,"name":"Indra","sum_longitude":340.9339},"karana":{"half_tithi_index":54,"name":"Gara"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-4.39,"elongation":34.488},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-4.39,"opposition_distance":145.512}},"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":"06:27","sunsetLocal":"17:34","solarNoonLocal":"12:01","dayLengthHours":11.120791781064199,"dayLengthDisplay":"11 Hours 07 Mins 15 Secs","nightLengthDisplay":"12 Hours 52 Mins 45 Secs","moonriseLocal":"03:45","moonsetLocal":"15:50","rahuKala":{"name":"Rāhu Kāla","start":"16:11","end":"17:34","startHours":16.17906365557422,"endHours":17.569162628207245,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"12:01","end":"13:24","startHours":12.008766737675145,"endHours":13.398865710308172,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"14:47","end":"16:11","startHours":14.788964682941195,"endHours":16.17906365557422,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:03","end":"09:25","startHours":9.043222262724694,"endHours":9.4139153220935,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:55","end":"07:12","startHours":6.911737171354055,"endHours":7.2082916188491,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:38","end":"12:23","startHours":11.63807367830634,"endHours":12.379459797043951,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:58","end":"05:42","startHours":4.96559860966782,"endHours":5.706984728405434,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:31","end":"06:27","startHours":5.52163819872103,"endHours":6.448370847143047,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:52","end":"14:36","startHours":13.862232034519181,"endHours":14.603618153256795,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:22","end":"17:46","startHours":17.369162628207246,"endHours":17.769162628207244,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:34","end":"18:02","startHours":17.569162628207245,"endHours":18.032528952418254,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:19","end":"19:04","startHours":17.319162628207245,"endHours":19.069162628207245,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:38","end":"00:23","startHours":23.638073678306338,"endHours":24.379459797043953,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Udveg","start":"06:27","end":"07:50","startHours":6.448370847143047,"endHours":7.838469819776072,"quality":"inauspicious"},{"name":"Chala","start":"07:50","end":"09:14","startHours":7.838469819776072,"endHours":9.228568792409096,"quality":"neutral"},{"name":"Labha","start":"09:14","end":"10:37","startHours":9.228568792409096,"endHours":10.618667765042122,"quality":"auspicious"},{"name":"Amṛta","start":"10:37","end":"12:01","startHours":10.618667765042122,"endHours":12.008766737675145,"quality":"auspicious"},{"name":"Kāla","start":"12:01","end":"13:24","startHours":12.008766737675145,"endHours":13.398865710308172,"quality":"inauspicious"},{"name":"Śubha","start":"13:24","end":"14:47","startHours":13.398865710308172,"endHours":14.788964682941195,"quality":"auspicious"},{"name":"Roga","start":"14:47","end":"16:11","startHours":14.788964682941195,"endHours":16.17906365557422,"quality":"inauspicious"},{"name":"Udveg","start":"16:11","end":"17:34","startHours":16.17906365557422,"endHours":17.569162628207245,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Śubha","start":"17:34","end":"19:11","startHours":17.569162628207245,"endHours":19.179063655574218,"quality":"auspicious"},{"name":"Roga","start":"19:11","end":"20:47","startHours":19.179063655574218,"endHours":20.788964682941195,"quality":"inauspicious"},{"name":"Udveg","start":"20:47","end":"22:24","startHours":20.788964682941195,"endHours":22.398865710308172,"quality":"inauspicious"},{"name":"Chala","start":"22:24","end":"00:01","startHours":22.398865710308172,"endHours":24.008766737675145,"quality":"neutral"},{"name":"Labha","start":"00:01","end":"01:37","startHours":24.008766737675145,"endHours":25.61866776504212,"quality":"auspicious"},{"name":"Amṛta","start":"01:37","end":"03:14","startHours":25.61866776504212,"endHours":27.228568792409096,"quality":"auspicious"},{"name":"Kāla","start":"03:14","end":"04:50","startHours":27.228568792409096,"endHours":28.838469819776073,"quality":"inauspicious"},{"name":"Śubha","start":"04:50","end":"06:27","startHours":28.838469819776073,"endHours":30.448370847143046,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:27","end":"07:27","startHours":6.448370847143047,"endHours":7.448370847143047,"planetary_lord":"Sun"},{"name":"Hora 2","start":"07:27","end":"08:27","startHours":7.448370847143047,"endHours":8.448370847143046,"planetary_lord":"Mars"},{"name":"Hora 3","start":"08:27","end":"09:27","startHours":8.448370847143046,"endHours":9.448370847143046,"planetary_lord":"Jupiter"},{"name":"Hora 4","start":"09:27","end":"10:27","startHours":9.448370847143046,"endHours":10.448370847143046,"planetary_lord":"Saturn"},{"name":"Hora 5","start":"10:27","end":"11:27","startHours":10.448370847143046,"endHours":11.448370847143046,"planetary_lord":"Moon"},{"name":"Hora 6","start":"11:27","end":"12:27","startHours":11.448370847143046,"endHours":12.448370847143046,"planetary_lord":"Mercury"},{"name":"Hora 7","start":"12:27","end":"13:27","startHours":12.448370847143046,"endHours":13.448370847143046,"planetary_lord":"Venus"},{"name":"Hora 8","start":"13:27","end":"14:27","startHours":13.448370847143046,"endHours":14.448370847143046,"planetary_lord":"Sun"},{"name":"Hora 9","start":"14:27","end":"15:27","startHours":14.448370847143046,"endHours":15.448370847143046,"planetary_lord":"Mars"},{"name":"Hora 10","start":"15:27","end":"16:27","startHours":15.448370847143046,"endHours":16.448370847143046,"planetary_lord":"Jupiter"},{"name":"Hora 11","start":"16:27","end":"17:27","startHours":16.448370847143046,"endHours":17.448370847143046,"planetary_lord":"Saturn"},{"name":"Hora 12","start":"17:27","end":"18:27","startHours":17.448370847143046,"endHours":18.448370847143046,"planetary_lord":"Moon"},{"name":"Hora 13","start":"18:27","end":"19:27","startHours":18.448370847143046,"endHours":19.448370847143046,"planetary_lord":"Mercury"},{"name":"Hora 14","start":"19:27","end":"20:27","startHours":19.448370847143046,"endHours":20.448370847143046,"planetary_lord":"Venus"},{"name":"Hora 15","start":"20:27","end":"21:27","startHours":20.448370847143046,"endHours":21.448370847143046,"planetary_lord":"Sun"},{"name":"Hora 16","start":"21:27","end":"22:27","startHours":21.448370847143046,"endHours":22.448370847143046,"planetary_lord":"Mars"},{"name":"Hora 17","start":"22:27","end":"23:27","startHours":22.448370847143046,"endHours":23.448370847143046,"planetary_lord":"Jupiter"},{"name":"Hora 18","start":"23:27","end":"00:27","startHours":23.448370847143046,"endHours":24.448370847143046,"planetary_lord":"Saturn"},{"name":"Hora 19","start":"00:27","end":"01:27","startHours":24.448370847143046,"endHours":25.448370847143046,"planetary_lord":"Moon"},{"name":"Hora 20","start":"01:27","end":"02:27","startHours":25.448370847143046,"endHours":26.448370847143046,"planetary_lord":"Mercury"},{"name":"Hora 21","start":"02:27","end":"03:27","startHours":26.448370847143046,"endHours":27.448370847143046,"planetary_lord":"Venus"},{"name":"Hora 22","start":"03:27","end":"04:27","startHours":27.448370847143046,"endHours":28.448370847143046,"planetary_lord":"Sun"},{"name":"Hora 23","start":"04:27","end":"05:27","startHours":28.448370847143046,"endHours":29.448370847143046,"planetary_lord":"Mars"},{"name":"Hora 24","start":"05:27","end":"06:27","startHours":29.448370847143046,"endHours":30.448370847143046,"planetary_lord":"Jupiter"}],"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":["Mithuna","Karka","Kanyā","Vṛścika","Kumbha","Mīna"],"unfavorable_rashis":["Meṣa","Vṛṣabha","Siṃha","Tulā","Dhanu","Makara"]},"dishaShool":"West (Paścim)","chandraVasa":"North-West","rahuVasa":"North-East","anandadiYoga":{"name":"Maitra","quality":"Auspicious"},"drikRitu":"Śarad (Autumn) (Drik)","vedicRitu":"Śarad (Autumn)","drikAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":-12.841034479837553,"eotMinutes":16.40359573949132,"ayanamsa":25.3033}},"calendars":{"vikram_samvat":2160,"vikram_samvatsara":"Dhātṛ","saka_samvat":2025,"saka_samvatsara":"Rudhirodgāri","bengali_samvat":1510,"malayalam_era":1279,"nanakshahi_year":634,"lunar_month":"Kārtika","lunar_month_paksha_full":"Kārtika Kṛṣṇa Pakṣa","solar_month":"Tulā (Aippasi)","ritu":"Śarad (Autumn)","display_summary":"Kārtika Kṛṣṇa Trayodaśī · Vikram 2160 Dhātṛ · Śaka 2025 Rudhirodgāri"},"festivals":[{"id":"dhanteras","name":"Dhanteras (Dhanvantari Jayantī)","name_sanskrit":"धनतेरस / धन्वन्तरि जयन्ती","tradition":"Pan-Hindu","associated_deity":"Dhanvantari (Āyurveda-deva, avatāra of Viṣṇu)","significance":"Birth of Dhanvantari from samudra-mathana with amṛta-kalaśa. Day 1 of Diwali.","vrata":true,"detection":{"tithi_number":28,"tithi_paksha":"Kṛṣṇa","lunar_month":"Kārtika"},"precedence":2,"sources":["Bhāgavata 8.8.32-34"]},{"id":"tula-sankranti","name":"Tulā Saṅkrānti","name_sanskrit":"तुला सङ्क्रान्ति","tradition":"Pan-Hindu","significance":"Sun enters Libra.","vrata":false,"detection":{"sun_rashi":"Tulā"},"precedence":5},{"id":"pradosha-vrata","name":"Pradoṣa Vrata","name_sanskrit":"प्रदोष व्रत","tradition":"Shaiva","associated_deity":"Śiva","significance":"Twilight worship of Śiva on Trayodaśī.","vrata":true,"detection":{"any_of":[{"tithi_number":13},{"tithi_number":28}]},"precedence":7}],"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 October 28, 2103 CE · Ṛṣikeśa · Vidhyamitra","description":"October 28, 2103 CE for Ṛṣikeśa: Kṛṣṇa Trayodaśī, sūryodaya 06:27, sūryāsta 17:34.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/2103-10-28","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/2103-10-28","sa":"https://sa.vidhyamitra.com/city/rishikesh/2103-10-28","hi":"https://hi.vidhyamitra.com/city/rishikesh/2103-10-28","x-default":"https://vidhyamitra.com/city/rishikesh/2103-10-28"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-20T23:55:21.665Z","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":"2026-05-20T23:55:21.665Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-20T23:55:21.665Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}