{"id":"vidhyamitra:city-day:rishikesh:2128-12-26:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/2128-12-26","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2128-12-26","date_display":"December 26, 2128 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":2128,"month":12,"day":26,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2498655.770833,"kali_year":5230,"ahargana":1910190.2708,"sun":{"sidereal_longitude":248.2408,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":301.664,"rashi":11,"rashi_name":"Kumbha"},"tithi":{"number":5,"name":"Pañcamī","paksha":"Śukla","full_name":"Śukla Pañcamī","elongation_degrees":53.4232,"elapsed_within_tithi_degrees":5.4232},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":3,"moon_longitude":301.664,"elapsed_within_degrees":8.3307},"yoga":{"number":15,"name":"Vajra","sum_longitude":189.9048},"karana":{"half_tithi_index":8,"name":"Bava"},"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":2128,"month":12,"day":26,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2498655.770833,"ahargana":1910190.2708,"kali_year":5230,"ayanamsa_lahiri":25.6548,"grahas":{"sun":{"sidereal_longitude":248.84973300000001,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":3},"retrograde":false},"moon":{"sidereal_longitude":305.61683300000004,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":4},"retrograde":false,"latitude":0.5683},"mars":{"sidereal_longitude":197.51413300000002,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":249.13563299999998,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":3},"retrograde":true},"jupiter":{"sidereal_longitude":310.73403299999995,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":2},"retrograde":false},"venus":{"sidereal_longitude":293.404133,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":173.74343299999998,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":14,"name":"Citrā","pada":1},"retrograde":false},"rahu":{"sidereal_longitude":128.927,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":308.927,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","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":2128,"month":12,"day":26,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2498655.770833,"kali_year":5230,"ahargana":1910190.2708,"sun":{"sidereal_longitude":248.2408,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":301.664,"rashi":11,"rashi_name":"Kumbha"},"tithi":{"number":5,"name":"Pañcamī","paksha":"Śukla","full_name":"Śukla Pañcamī","elongation_degrees":53.4232,"elapsed_within_tithi_degrees":5.4232},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":3,"moon_longitude":301.664,"elapsed_within_degrees":8.3307},"yoga":{"number":15,"name":"Vajra","sum_longitude":189.9048},"karana":{"half_tithi_index":8,"name":"Bava"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":0.568,"elongation":53.423},"lunar":{"type":"lunar","occurs":false,"moon_latitude":0.568,"opposition_distance":126.577}},"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":"17:24","solarNoonLocal":"12:18","dayLengthHours":10.211878318752689,"dayLengthDisplay":"10 Hours 12 Mins 43 Secs","nightLengthDisplay":"13 Hours 47 Mins 17 Secs","moonriseLocal":"10:28","moonsetLocal":"21:42","rahuKala":{"name":"Rāhu Kāla","start":"16:08","end":"17:24","startHours":16.127614575039328,"endHours":17.404099364883415,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"12:18","end":"13:34","startHours":12.29816020550707,"endHours":13.574644995351155,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"14:51","end":"16:08","startHours":14.85112978519524,"endHours":16.127614575039328,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:34","end":"09:55","startHours":9.574992653839686,"endHours":9.915388597798108,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:37","end":"07:53","startHours":7.617715976078753,"endHours":7.890032731245491,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:57","end":"12:38","startHours":11.957764261548647,"endHours":12.638556149465494,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:50","end":"06:31","startHours":5.830637270297033,"endHours":6.511429158213879,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:20","end":"07:12","startHours":6.341231186234667,"endHours":7.192221046130725,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:00","end":"14:41","startHours":14.000139925299184,"endHours":14.680931813216029,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:12","end":"17:36","startHours":17.204099364883415,"endHours":17.604099364883414,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:24","end":"17:50","startHours":17.404099364883415,"endHours":17.829594294831445,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:09","end":"18:54","startHours":17.154099364883415,"endHours":18.904099364883415,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:57","end":"00:38","startHours":23.957764261548647,"endHours":24.638556149465494,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Udveg","start":"07:12","end":"08:28","startHours":7.192221046130725,"endHours":8.468705835974811,"quality":"inauspicious"},{"name":"Chala","start":"08:28","end":"09:45","startHours":8.468705835974811,"endHours":9.745190625818896,"quality":"neutral"},{"name":"Labha","start":"09:45","end":"11:01","startHours":9.745190625818896,"endHours":11.021675415662983,"quality":"auspicious"},{"name":"Amṛta","start":"11:01","end":"12:18","startHours":11.021675415662983,"endHours":12.29816020550707,"quality":"auspicious"},{"name":"Kāla","start":"12:18","end":"13:34","startHours":12.29816020550707,"endHours":13.574644995351155,"quality":"inauspicious"},{"name":"Śubha","start":"13:34","end":"14:51","startHours":13.574644995351155,"endHours":14.85112978519524,"quality":"auspicious"},{"name":"Roga","start":"14:51","end":"16:08","startHours":14.85112978519524,"endHours":16.127614575039328,"quality":"inauspicious"},{"name":"Udveg","start":"16:08","end":"17:24","startHours":16.127614575039328,"endHours":17.404099364883415,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Śubha","start":"17:24","end":"19:08","startHours":17.404099364883415,"endHours":19.127614575039328,"quality":"auspicious"},{"name":"Roga","start":"19:08","end":"20:51","startHours":19.127614575039328,"endHours":20.85112978519524,"quality":"inauspicious"},{"name":"Udveg","start":"20:51","end":"22:34","startHours":20.85112978519524,"endHours":22.574644995351157,"quality":"inauspicious"},{"name":"Chala","start":"22:34","end":"00:18","startHours":22.574644995351157,"endHours":24.29816020550707,"quality":"neutral"},{"name":"Labha","start":"00:18","end":"02:01","startHours":24.29816020550707,"endHours":26.021675415662983,"quality":"auspicious"},{"name":"Amṛta","start":"02:01","end":"03:45","startHours":26.021675415662983,"endHours":27.7451906258189,"quality":"auspicious"},{"name":"Kāla","start":"03:45","end":"05:28","startHours":27.7451906258189,"endHours":29.468705835974813,"quality":"inauspicious"},{"name":"Śubha","start":"05:28","end":"07:12","startHours":29.468705835974813,"endHours":31.192221046130726,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"07:12","end":"08:12","startHours":7.192221046130725,"endHours":8.192221046130726,"planetary_lord":"Sun"},{"name":"Hora 2","start":"08:12","end":"09:12","startHours":8.192221046130726,"endHours":9.192221046130726,"planetary_lord":"Mars"},{"name":"Hora 3","start":"09:12","end":"10:12","startHours":9.192221046130726,"endHours":10.192221046130726,"planetary_lord":"Jupiter"},{"name":"Hora 4","start":"10:12","end":"11:12","startHours":10.192221046130726,"endHours":11.192221046130726,"planetary_lord":"Saturn"},{"name":"Hora 5","start":"11:12","end":"12:12","startHours":11.192221046130726,"endHours":12.192221046130726,"planetary_lord":"Moon"},{"name":"Hora 6","start":"12:12","end":"13:12","startHours":12.192221046130726,"endHours":13.192221046130726,"planetary_lord":"Mercury"},{"name":"Hora 7","start":"13:12","end":"14:12","startHours":13.192221046130726,"endHours":14.192221046130726,"planetary_lord":"Venus"},{"name":"Hora 8","start":"14:12","end":"15:12","startHours":14.192221046130726,"endHours":15.192221046130726,"planetary_lord":"Sun"},{"name":"Hora 9","start":"15:12","end":"16:12","startHours":15.192221046130726,"endHours":16.192221046130726,"planetary_lord":"Mars"},{"name":"Hora 10","start":"16:12","end":"17:12","startHours":16.192221046130726,"endHours":17.192221046130726,"planetary_lord":"Jupiter"},{"name":"Hora 11","start":"17:12","end":"18:12","startHours":17.192221046130726,"endHours":18.192221046130726,"planetary_lord":"Saturn"},{"name":"Hora 12","start":"18:12","end":"19:12","startHours":18.192221046130726,"endHours":19.192221046130726,"planetary_lord":"Moon"},{"name":"Hora 13","start":"19:12","end":"20:12","startHours":19.192221046130726,"endHours":20.192221046130726,"planetary_lord":"Mercury"},{"name":"Hora 14","start":"20:12","end":"21:12","startHours":20.192221046130726,"endHours":21.192221046130726,"planetary_lord":"Venus"},{"name":"Hora 15","start":"21:12","end":"22:12","startHours":21.192221046130726,"endHours":22.192221046130726,"planetary_lord":"Sun"},{"name":"Hora 16","start":"22:12","end":"23:12","startHours":22.192221046130726,"endHours":23.192221046130726,"planetary_lord":"Mars"},{"name":"Hora 17","start":"23:12","end":"00:12","startHours":23.192221046130726,"endHours":24.192221046130726,"planetary_lord":"Jupiter"},{"name":"Hora 18","start":"00:12","end":"01:12","startHours":24.192221046130726,"endHours":25.192221046130726,"planetary_lord":"Saturn"},{"name":"Hora 19","start":"01:12","end":"02:12","startHours":25.192221046130726,"endHours":26.192221046130726,"planetary_lord":"Moon"},{"name":"Hora 20","start":"02:12","end":"03:12","startHours":26.192221046130726,"endHours":27.192221046130726,"planetary_lord":"Mercury"},{"name":"Hora 21","start":"03:12","end":"04:12","startHours":27.192221046130726,"endHours":28.192221046130726,"planetary_lord":"Venus"},{"name":"Hora 22","start":"04:12","end":"05:12","startHours":28.192221046130726,"endHours":29.192221046130726,"planetary_lord":"Sun"},{"name":"Hora 23","start":"05:12","end":"06:12","startHours":29.192221046130726,"endHours":30.192221046130726,"planetary_lord":"Mars"},{"name":"Hora 24","start":"06:12","end":"07:12","startHours":30.192221046130726,"endHours":31.192221046130726,"planetary_lord":"Jupiter"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Ārdrā","Punarvasu","Puṣya","Aśleṣā","Maghā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Karka","Siṃha","Vṛścika","Dhanu","Kumbha"],"unfavorable_rashis":["Vṛṣabha","Mithuna","Kanyā","Tulā","Makara","Mīna"]},"dishaShool":"West (Paścim)","chandraVasa":"South","rahuVasa":"North-East","anandadiYoga":{"name":"Gada","quality":"Inauspicious"},"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":-23.359802424674964,"eotMinutes":-0.9600123304242594,"ayanamsa":25.6548}},"calendars":{"vikram_samvat":2185,"vikram_samvatsara":"Plava","saka_samvat":2050,"saka_samvatsara":"Sarvadhāri","bengali_samvat":1535,"malayalam_era":1304,"nanakshahi_year":659,"lunar_month":"Pauṣa","lunar_month_paksha_full":"Pauṣa Śukla Pakṣa","solar_month":"Dhanus (Mārgaḻi)","ritu":"Hemanta (Pre-winter)","display_summary":"Pauṣa Śukla Pañcamī · Vikram 2185 Plava · Śaka 2050 Sarvadhāri"},"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":"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 December 26, 2128 CE · Ṛṣikeśa · Vidhyamitra","description":"December 26, 2128 CE for Ṛṣikeśa: Śukla Pañcamī, sūryodaya 07:12, sūryāsta 17:24.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/2128-12-26","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/2128-12-26","sa":"https://sa.vidhyamitra.com/city/rishikesh/2128-12-26","hi":"https://hi.vidhyamitra.com/city/rishikesh/2128-12-26","x-default":"https://vidhyamitra.com/city/rishikesh/2128-12-26"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-22T23:50:42.227Z","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":"2026-05-22T23:50:42.227Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-22T23:50:42.227Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}