{"id":"vidhyamitra:city-day:rishikesh:2129-12-26:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/2129-12-26","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2129-12-26","date_display":"December 26, 2129 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":2129,"month":12,"day":26,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2499020.770833,"kali_year":5231,"ahargana":1910555.2708,"sun":{"sidereal_longitude":247.9749,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":74.7215,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":16,"name":"Pratipada","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Pratipada","elongation_degrees":186.7466,"elapsed_within_tithi_degrees":6.7466},"nakshatra":{"number":6,"name":"Ārdrā","pada":3,"moon_longitude":74.7215,"elapsed_within_degrees":8.0548},"yoga":{"number":25,"name":"Brahma","sum_longitude":322.6964},"karana":{"half_tithi_index":31,"name":"Kaulava"},"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":2129,"month":12,"day":26,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2499020.770833,"ahargana":1910555.2708,"kali_year":5231,"ayanamsa_lahiri":25.6688,"grahas":{"sun":{"sidereal_longitude":248.58818699999995,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":3},"retrograde":false},"moon":{"sidereal_longitude":73.42918700000001,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":3},"retrograde":false,"latitude":-2.5707},"mars":{"sidereal_longitude":335.651287,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":225.16878699999995,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":342.702787,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":3},"retrograde":false},"venus":{"sidereal_longitude":251.81088699999998,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":185.07908699999996,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":4},"retrograde":false},"rahu":{"sidereal_longitude":109.5875,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Āśleṣā","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":289.5875,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","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":2129,"month":12,"day":26,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2499020.770833,"kali_year":5231,"ahargana":1910555.2708,"sun":{"sidereal_longitude":247.9749,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":74.7215,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":16,"name":"Pratipada","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Pratipada","elongation_degrees":186.7466,"elapsed_within_tithi_degrees":6.7466},"nakshatra":{"number":6,"name":"Ārdrā","pada":3,"moon_longitude":74.7215,"elapsed_within_degrees":8.0548},"yoga":{"number":25,"name":"Brahma","sum_longitude":322.6964},"karana":{"half_tithi_index":31,"name":"Kaulava"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-2.571,"elongation":173.253},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-2.571,"opposition_distance":6.747}},"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":10.211115182597062,"dayLengthDisplay":"10 Hours 12 Mins 40 Secs","nightLengthDisplay":"13 Hours 47 Mins 20 Secs","moonriseLocal":"17:37","moonsetLocal":"07:38","rahuKala":{"name":"Rāhu Kāla","start":"08:28","end":"09:45","startHours":8.468992012033173,"endHours":9.745381409857805,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"11:01","end":"12:18","startHours":11.021770807682437,"endHours":12.29816020550707,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"13:34","end":"14:51","startHours":13.574549603331704,"endHours":14.850939001156336,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:35","end":"09:55","startHours":9.57519615681452,"endHours":9.915566662901089,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:37","end":"07:53","startHours":7.61806574681675,"endHours":7.890362151686006,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:57","end":"12:38","startHours":11.957789699420502,"endHours":12.638530711593639,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:50","end":"06:31","startHours":5.831120589862264,"endHours":6.511861602035402,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:21","end":"07:12","startHours":6.3416763489921175,"endHours":7.192602614208539,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:00","end":"14:41","startHours":14.000012735939915,"endHours":14.680753748113053,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:12","end":"17:36","startHours":17.203717796805602,"endHours":17.6037177968056,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:24","end":"17:50","startHours":17.4037177968056,"endHours":17.829180929413813,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:09","end":"18:54","startHours":17.1537177968056,"endHours":18.9037177968056,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:57","end":"00:38","startHours":23.957789699420502,"endHours":24.63853071159364,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Amṛta","start":"07:12","end":"08:28","startHours":7.192602614208539,"endHours":8.468992012033173,"quality":"auspicious"},{"name":"Kāla","start":"08:28","end":"09:45","startHours":8.468992012033173,"endHours":9.745381409857805,"quality":"inauspicious"},{"name":"Śubha","start":"09:45","end":"11:01","startHours":9.745381409857805,"endHours":11.021770807682437,"quality":"auspicious"},{"name":"Roga","start":"11:01","end":"12:18","startHours":11.021770807682437,"endHours":12.29816020550707,"quality":"inauspicious"},{"name":"Udveg","start":"12:18","end":"13:34","startHours":12.29816020550707,"endHours":13.574549603331704,"quality":"inauspicious"},{"name":"Chala","start":"13:34","end":"14:51","startHours":13.574549603331704,"endHours":14.850939001156336,"quality":"neutral"},{"name":"Labha","start":"14:51","end":"16:08","startHours":14.850939001156336,"endHours":16.127328398980968,"quality":"auspicious"},{"name":"Amṛta","start":"16:08","end":"17:24","startHours":16.127328398980968,"endHours":17.4037177968056,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Chala","start":"17:24","end":"19:08","startHours":17.4037177968056,"endHours":19.127328398980968,"quality":"neutral"},{"name":"Labha","start":"19:08","end":"20:51","startHours":19.127328398980968,"endHours":20.850939001156334,"quality":"auspicious"},{"name":"Amṛta","start":"20:51","end":"22:34","startHours":20.850939001156334,"endHours":22.574549603331704,"quality":"auspicious"},{"name":"Kāla","start":"22:34","end":"00:18","startHours":22.574549603331704,"endHours":24.29816020550707,"quality":"inauspicious"},{"name":"Śubha","start":"00:18","end":"02:01","startHours":24.29816020550707,"endHours":26.021770807682437,"quality":"auspicious"},{"name":"Roga","start":"02:01","end":"03:45","startHours":26.021770807682437,"endHours":27.745381409857806,"quality":"inauspicious"},{"name":"Udveg","start":"03:45","end":"05:28","startHours":27.745381409857806,"endHours":29.468992012033173,"quality":"inauspicious"},{"name":"Chala","start":"05:28","end":"07:12","startHours":29.468992012033173,"endHours":31.19260261420854,"quality":"neutral"}],"horas":[{"name":"Hora 1","start":"07:12","end":"08:12","startHours":7.192602614208539,"endHours":8.192602614208539,"planetary_lord":"Moon"},{"name":"Hora 2","start":"08:12","end":"09:12","startHours":8.192602614208539,"endHours":9.192602614208539,"planetary_lord":"Mercury"},{"name":"Hora 3","start":"09:12","end":"10:12","startHours":9.192602614208539,"endHours":10.192602614208539,"planetary_lord":"Venus"},{"name":"Hora 4","start":"10:12","end":"11:12","startHours":10.192602614208539,"endHours":11.192602614208539,"planetary_lord":"Sun"},{"name":"Hora 5","start":"11:12","end":"12:12","startHours":11.192602614208539,"endHours":12.192602614208539,"planetary_lord":"Mars"},{"name":"Hora 6","start":"12:12","end":"13:12","startHours":12.192602614208539,"endHours":13.192602614208539,"planetary_lord":"Jupiter"},{"name":"Hora 7","start":"13:12","end":"14:12","startHours":13.192602614208539,"endHours":14.192602614208539,"planetary_lord":"Saturn"},{"name":"Hora 8","start":"14:12","end":"15:12","startHours":14.192602614208539,"endHours":15.192602614208539,"planetary_lord":"Moon"},{"name":"Hora 9","start":"15:12","end":"16:12","startHours":15.192602614208539,"endHours":16.19260261420854,"planetary_lord":"Mercury"},{"name":"Hora 10","start":"16:12","end":"17:12","startHours":16.19260261420854,"endHours":17.19260261420854,"planetary_lord":"Venus"},{"name":"Hora 11","start":"17:12","end":"18:12","startHours":17.19260261420854,"endHours":18.19260261420854,"planetary_lord":"Sun"},{"name":"Hora 12","start":"18:12","end":"19:12","startHours":18.19260261420854,"endHours":19.19260261420854,"planetary_lord":"Mars"},{"name":"Hora 13","start":"19:12","end":"20:12","startHours":19.19260261420854,"endHours":20.19260261420854,"planetary_lord":"Jupiter"},{"name":"Hora 14","start":"20:12","end":"21:12","startHours":20.19260261420854,"endHours":21.19260261420854,"planetary_lord":"Saturn"},{"name":"Hora 15","start":"21:12","end":"22:12","startHours":21.19260261420854,"endHours":22.19260261420854,"planetary_lord":"Moon"},{"name":"Hora 16","start":"22:12","end":"23:12","startHours":22.19260261420854,"endHours":23.19260261420854,"planetary_lord":"Mercury"},{"name":"Hora 17","start":"23:12","end":"00:12","startHours":23.19260261420854,"endHours":24.19260261420854,"planetary_lord":"Venus"},{"name":"Hora 18","start":"00:12","end":"01:12","startHours":24.19260261420854,"endHours":25.19260261420854,"planetary_lord":"Sun"},{"name":"Hora 19","start":"01:12","end":"02:12","startHours":25.19260261420854,"endHours":26.19260261420854,"planetary_lord":"Mars"},{"name":"Hora 20","start":"02:12","end":"03:12","startHours":26.19260261420854,"endHours":27.19260261420854,"planetary_lord":"Jupiter"},{"name":"Hora 21","start":"03:12","end":"04:12","startHours":27.19260261420854,"endHours":28.19260261420854,"planetary_lord":"Saturn"},{"name":"Hora 22","start":"04:12","end":"05:12","startHours":28.19260261420854,"endHours":29.19260261420854,"planetary_lord":"Moon"},{"name":"Hora 23","start":"05:12","end":"06:12","startHours":29.19260261420854,"endHours":30.19260261420854,"planetary_lord":"Mercury"},{"name":"Hora 24","start":"06:12","end":"07:12","startHours":30.19260261420854,"endHours":31.19260261420854,"planetary_lord":"Venus"}],"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","Mithuna","Siṃha","Vṛścika","Dhanu","Mīna"],"unfavorable_rashis":["Vṛṣabha","Karka","Kanyā","Tulā","Makara","Kumbha"]},"dishaShool":"East (Pūrva)","chandraVasa":"South","rahuVasa":"North-East","anandadiYoga":{"name":"Mudgara","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":-23.36799471473466,"eotMinutes":-0.9600123304242594,"ayanamsa":25.6688}},"calendars":{"vikram_samvat":2186,"vikram_samvatsara":"Śubhakṛt","saka_samvat":2051,"saka_samvatsara":"Virodhi","bengali_samvat":1536,"malayalam_era":1305,"nanakshahi_year":660,"lunar_month":"Pauṣa","lunar_month_paksha_full":"Pauṣa Kṛṣṇa Pakṣa","solar_month":"Dhanus (Mārgaḻi)","ritu":"Hemanta (Pre-winter)","display_summary":"Pauṣa Kṛṣṇa Pratipada · Vikram 2186 Śubhakṛt · Śaka 2051 Virodhi"},"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":"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":[]},"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, 2129 CE · Ṛṣikeśa · Vidhyamitra","description":"December 26, 2129 CE for Ṛṣikeśa: Kṛṣṇa Pratipada, sūryodaya 07:12, sūryāsta 17:24.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/2129-12-26","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/2129-12-26","sa":"https://sa.vidhyamitra.com/city/rishikesh/2129-12-26","hi":"https://hi.vidhyamitra.com/city/rishikesh/2129-12-26","x-default":"https://vidhyamitra.com/city/rishikesh/2129-12-26"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-23T05:03:11.797Z","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":"2026-05-23T05:03:11.797Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-23T05:03:11.797Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}