{"id":"vidhyamitra:city-day:rishikesh:2097-12-28:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/2097-12-28","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2097-12-28","date_display":"December 28, 2097 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":2097,"month":12,"day":28,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2487335.770833,"kali_year":5199,"ahargana":1898870.2708,"sun":{"sidereal_longitude":251.3462,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":187.1619,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":25,"name":"Daśamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Daśamī","elongation_degrees":295.8157,"elapsed_within_tithi_degrees":7.8157},"nakshatra":{"number":15,"name":"Svātī","pada":1,"moon_longitude":187.1619,"elapsed_within_degrees":0.4952},"yoga":{"number":6,"name":"Atigaṇḍa","sum_longitude":78.5081},"karana":{"half_tithi_index":49,"name":"Viṣṭi"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"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":2097,"month":12,"day":28,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2487335.770833,"ahargana":1898870.2708,"kali_year":5199,"ayanamsa_lahiri":25.2219,"grahas":{"sun":{"sidereal_longitude":251.85404000000005,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":4},"retrograde":false},"moon":{"sidereal_longitude":190.22964000000002,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":2},"retrograde":false,"latitude":0.1218},"mars":{"sidereal_longitude":332.72234000000003,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":233.13254000000006,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":114.95814000000001,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":3},"retrograde":true},"venus":{"sidereal_longitude":253.78394000000003,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":155.07474000000002,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":3},"retrograde":false},"rahu":{"sidereal_longitude":8.715,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":188.715,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","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":2097,"month":12,"day":28,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2487335.770833,"kali_year":5199,"ahargana":1898870.2708,"sun":{"sidereal_longitude":251.3462,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":187.1619,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":25,"name":"Daśamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Daśamī","elongation_degrees":295.8157,"elapsed_within_tithi_degrees":7.8157},"nakshatra":{"number":15,"name":"Svātī","pada":1,"moon_longitude":187.1619,"elapsed_within_degrees":0.4952},"yoga":{"number":6,"name":"Atigaṇḍa","sum_longitude":78.5081},"karana":{"half_tithi_index":49,"name":"Viṣṭi"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":0.122,"elongation":64.184},"lunar":{"type":"lunar","occurs":false,"moon_latitude":0.122,"opposition_distance":115.816}},"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":"07:12","sunsetLocal":"17:25","solarNoonLocal":"12:19","dayLengthHours":10.222331704677012,"dayLengthDisplay":"10 Hours 13 Mins 20 Secs","nightLengthDisplay":"13 Hours 46 Mins 40 Secs","moonriseLocal":"02:41","moonsetLocal":"13:44","rahuKala":{"name":"Rāhu Kāla","start":"09:45","end":"11:02","startHours":9.758028814902204,"endHours":11.035820277986831,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"13:35","end":"14:52","startHours":13.591403204156084,"endHours":14.869194667240711,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"07:12","end":"08:29","startHours":7.202445888732951,"endHours":8.480237351817578,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:35","end":"09:56","startHours":9.587656619824255,"endHours":9.928401009980155,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:38","end":"07:54","startHours":7.628376376427827,"endHours":7.900971888552547,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:58","end":"12:39","startHours":11.972867350915557,"endHours":12.65435613122736,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:50","end":"06:31","startHours":5.83946832810935,"endHours":6.52095710842115,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:21","end":"07:12","startHours":6.3505849133432,"endHours":7.202445888732951,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:01","end":"14:42","startHours":14.01733369185096,"endHours":14.69882247216276,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:13","end":"17:37","startHours":17.224777593409964,"endHours":17.624777593409963,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:25","end":"17:51","startHours":17.424777593409964,"endHours":17.850708081104838,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:10","end":"18:55","startHours":17.174777593409964,"endHours":18.924777593409964,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:58","end":"00:39","startHours":23.972867350915557,"endHours":24.65435613122736,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Kāla","start":"07:12","end":"08:29","startHours":7.202445888732951,"endHours":8.480237351817578,"quality":"inauspicious"},{"name":"Śubha","start":"08:29","end":"09:45","startHours":8.480237351817578,"endHours":9.758028814902204,"quality":"auspicious"},{"name":"Roga","start":"09:45","end":"11:02","startHours":9.758028814902204,"endHours":11.035820277986831,"quality":"inauspicious"},{"name":"Udveg","start":"11:02","end":"12:19","startHours":11.035820277986831,"endHours":12.313611741071458,"quality":"inauspicious"},{"name":"Chala","start":"12:19","end":"13:35","startHours":12.313611741071458,"endHours":13.591403204156084,"quality":"neutral"},{"name":"Labha","start":"13:35","end":"14:52","startHours":13.591403204156084,"endHours":14.869194667240711,"quality":"auspicious"},{"name":"Amṛta","start":"14:52","end":"16:09","startHours":14.869194667240711,"endHours":16.146986130325338,"quality":"auspicious"},{"name":"Kāla","start":"16:09","end":"17:25","startHours":16.146986130325338,"endHours":17.424777593409964,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Labha","start":"17:25","end":"19:09","startHours":17.424777593409964,"endHours":19.146986130325338,"quality":"auspicious"},{"name":"Amṛta","start":"19:09","end":"20:52","startHours":19.146986130325338,"endHours":20.86919466724071,"quality":"auspicious"},{"name":"Kāla","start":"20:52","end":"22:35","startHours":20.86919466724071,"endHours":22.591403204156084,"quality":"inauspicious"},{"name":"Śubha","start":"22:35","end":"00:19","startHours":22.591403204156084,"endHours":24.31361174107146,"quality":"auspicious"},{"name":"Roga","start":"00:19","end":"02:02","startHours":24.31361174107146,"endHours":26.03582027798683,"quality":"inauspicious"},{"name":"Udveg","start":"02:02","end":"03:45","startHours":26.03582027798683,"endHours":27.758028814902204,"quality":"inauspicious"},{"name":"Chala","start":"03:45","end":"05:29","startHours":27.758028814902204,"endHours":29.48023735181758,"quality":"neutral"},{"name":"Labha","start":"05:29","end":"07:12","startHours":29.48023735181758,"endHours":31.202445888732953,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"07:12","end":"08:12","startHours":7.202445888732951,"endHours":8.202445888732951,"planetary_lord":"Saturn"},{"name":"Hora 2","start":"08:12","end":"09:12","startHours":8.202445888732951,"endHours":9.202445888732951,"planetary_lord":"Moon"},{"name":"Hora 3","start":"09:12","end":"10:12","startHours":9.202445888732951,"endHours":10.202445888732951,"planetary_lord":"Mercury"},{"name":"Hora 4","start":"10:12","end":"11:12","startHours":10.202445888732951,"endHours":11.202445888732951,"planetary_lord":"Venus"},{"name":"Hora 5","start":"11:12","end":"12:12","startHours":11.202445888732951,"endHours":12.202445888732951,"planetary_lord":"Sun"},{"name":"Hora 6","start":"12:12","end":"13:12","startHours":12.202445888732951,"endHours":13.202445888732951,"planetary_lord":"Mars"},{"name":"Hora 7","start":"13:12","end":"14:12","startHours":13.202445888732951,"endHours":14.202445888732951,"planetary_lord":"Jupiter"},{"name":"Hora 8","start":"14:12","end":"15:12","startHours":14.202445888732951,"endHours":15.202445888732951,"planetary_lord":"Saturn"},{"name":"Hora 9","start":"15:12","end":"16:12","startHours":15.202445888732951,"endHours":16.202445888732953,"planetary_lord":"Moon"},{"name":"Hora 10","start":"16:12","end":"17:12","startHours":16.202445888732953,"endHours":17.202445888732953,"planetary_lord":"Mercury"},{"name":"Hora 11","start":"17:12","end":"18:12","startHours":17.202445888732953,"endHours":18.202445888732953,"planetary_lord":"Venus"},{"name":"Hora 12","start":"18:12","end":"19:12","startHours":18.202445888732953,"endHours":19.202445888732953,"planetary_lord":"Sun"},{"name":"Hora 13","start":"19:12","end":"20:12","startHours":19.202445888732953,"endHours":20.202445888732953,"planetary_lord":"Mars"},{"name":"Hora 14","start":"20:12","end":"21:12","startHours":20.202445888732953,"endHours":21.202445888732953,"planetary_lord":"Jupiter"},{"name":"Hora 15","start":"21:12","end":"22:12","startHours":21.202445888732953,"endHours":22.202445888732953,"planetary_lord":"Saturn"},{"name":"Hora 16","start":"22:12","end":"23:12","startHours":22.202445888732953,"endHours":23.202445888732953,"planetary_lord":"Moon"},{"name":"Hora 17","start":"23:12","end":"00:12","startHours":23.202445888732953,"endHours":24.202445888732953,"planetary_lord":"Mercury"},{"name":"Hora 18","start":"00:12","end":"01:12","startHours":24.202445888732953,"endHours":25.202445888732953,"planetary_lord":"Venus"},{"name":"Hora 19","start":"01:12","end":"02:12","startHours":25.202445888732953,"endHours":26.202445888732953,"planetary_lord":"Sun"},{"name":"Hora 20","start":"02:12","end":"03:12","startHours":26.202445888732953,"endHours":27.202445888732953,"planetary_lord":"Mars"},{"name":"Hora 21","start":"03:12","end":"04:12","startHours":27.202445888732953,"endHours":28.202445888732953,"planetary_lord":"Jupiter"},{"name":"Hora 22","start":"04:12","end":"05:12","startHours":28.202445888732953,"endHours":29.202445888732953,"planetary_lord":"Saturn"},{"name":"Hora 23","start":"05:12","end":"06:12","startHours":29.202445888732953,"endHours":30.202445888732953,"planetary_lord":"Moon"},{"name":"Hora 24","start":"06:12","end":"07:12","startHours":30.202445888732953,"endHours":31.202445888732953,"planetary_lord":"Mercury"}],"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","Karka","Siṃha","Tulā","Dhanu","Mīna"],"unfavorable_rashis":["Vṛṣabha","Mithuna","Kanyā","Vṛścika","Makara","Kumbha"]},"dishaShool":"East (Pūrva)","chandraVasa":"North","rahuVasa":"East","anandadiYoga":{"name":"Chatra","quality":"Auspicious"},"drikRitu":"Hemanta (Pre-winter) (Drik)","vedicRitu":"Hemanta (Pre-winter)","drikAyana":"Uttarāyaṇa","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":-23.247466742689458,"eotMinutes":-1.8871044642874448,"ayanamsa":25.2219}},"calendars":{"vikram_samvat":2154,"vikram_samvatsara":"Pramoda","saka_samvat":2019,"saka_samvatsara":"Piṅgala","bengali_samvat":1504,"malayalam_era":1273,"nanakshahi_year":628,"lunar_month":"Pauṣa","lunar_month_paksha_full":"Pauṣa Kṛṣṇa Pakṣa","solar_month":"Dhanus (Mārgaḻi)","ritu":"Hemanta (Pre-winter)","display_summary":"Pauṣa Kṛṣṇa Daśamī · Vikram 2154 Pramoda · Śaka 2019 Piṅgala"},"festivals":[{"id":"lohri","name":"Lohri","name_sanskrit":"लोहड़ी","tradition":"Regional","significance":"Punjab harvest festival; eve of Makara Saṅkrānti. (Approximated as 13/14 January annually; correct via Sun in Dhanu/Makara cusp.)","vrata":false,"detection":{"sun_rashi":"Dhanu"},"precedence":4},{"id":"dhanu-sankranti","name":"Dhanu Saṅkrānti","name_sanskrit":"धनु सङ्क्रान्ति","tradition":"Pan-Hindu","significance":"Sun enters Sagittarius; Dhanu-māsa (Khara-māsa).","vrata":false,"detection":{"sun_rashi":"Dhanu"},"precedence":5}],"todays_walk":{"walk":{"id":"shani-walk","name":"Śani Walk","name_sanskrit":"शनि यात्रा","type":"graha","description":"Tapas + endurance + BG 17.14-19.","step_count":7,"url":"/walk/shani-walk"},"reason":"Śanivāra (Saturday) — 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 December 28, 2097 CE · Ṛṣikeśa · Vidhyamitra","description":"December 28, 2097 CE for Ṛṣikeśa: Kṛṣṇa Daśamī, sūryodaya 07:12, sūryāsta 17:25.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/2097-12-28","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/2097-12-28","sa":"https://sa.vidhyamitra.com/city/rishikesh/2097-12-28","hi":"https://hi.vidhyamitra.com/city/rishikesh/2097-12-28","x-default":"https://vidhyamitra.com/city/rishikesh/2097-12-28"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-20T19:36:39.346Z","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":"2026-05-20T19:36:39.346Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-20T19:36:39.346Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}