{"id":"vidhyamitra:city-day:rishikesh:2066-12-26:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/2066-12-26","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2066-12-26","date_display":"December 26, 2066 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":2066,"month":12,"day":26,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2476010.770833,"kali_year":5168,"ahargana":1887545.2708,"sun":{"sidereal_longitude":249.3126,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":4.984,"rashi":1,"rashi_name":"Meṣa"},"tithi":{"number":10,"name":"Daśamī","paksha":"Śukla","full_name":"Śukla Daśamī","elongation_degrees":115.6714,"elapsed_within_tithi_degrees":7.6714},"nakshatra":{"number":1,"name":"Aśvinī","pada":2,"moon_longitude":4.984,"elapsed_within_degrees":4.984},"yoga":{"number":20,"name":"Śiva","sum_longitude":254.2965},"karana":{"half_tithi_index":19,"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":2066,"month":12,"day":26,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2476010.770833,"ahargana":1887545.2708,"kali_year":5168,"ayanamsa_lahiri":24.7887,"grahas":{"sun":{"sidereal_longitude":249.765538,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":3},"retrograde":false},"moon":{"sidereal_longitude":8.052937999999983,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":3},"retrograde":false,"latitude":4.0363},"mars":{"sidereal_longitude":206.90983800000004,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":251.48143800000003,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":239.85043799999994,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":4},"retrograde":false},"venus":{"sidereal_longitude":201.97173799999996,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":135.49323800000002,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":1},"retrograde":true},"rahu":{"sidereal_longitude":248.768,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":68.768,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","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":2066,"month":12,"day":26,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2476010.770833,"kali_year":5168,"ahargana":1887545.2708,"sun":{"sidereal_longitude":249.3126,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":4.984,"rashi":1,"rashi_name":"Meṣa"},"tithi":{"number":10,"name":"Daśamī","paksha":"Śukla","full_name":"Śukla Daśamī","elongation_degrees":115.6714,"elapsed_within_tithi_degrees":7.6714},"nakshatra":{"number":1,"name":"Aśvinī","pada":2,"moon_longitude":4.984,"elapsed_within_degrees":4.984},"yoga":{"number":20,"name":"Śiva","sum_longitude":254.2965},"karana":{"half_tithi_index":19,"name":"Gara"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":4.036,"elongation":115.671},"lunar":{"type":"lunar","occurs":false,"moon_latitude":4.036,"opposition_distance":64.329}},"eclipse_window_40days":[{"offset_days":-9,"type":"solar","occurs":true,"moon_latitude":-0.771,"elongation":0.695}]},"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":10.212036718071793,"dayLengthDisplay":"10 Hours 12 Mins 43 Secs","nightLengthDisplay":"13 Hours 47 Mins 17 Secs","moonriseLocal":"13:39","moonsetLocal":"02:43","rahuKala":{"name":"Rāhu Kāla","start":"16:08","end":"17:24","startHours":16.127673974783992,"endHours":17.404178564542967,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"12:18","end":"13:34","startHours":12.29816020550707,"endHours":13.574664795266045,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"14:51","end":"16:08","startHours":14.851169385025019,"endHours":16.127673974783992,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:34","end":"09:55","startHours":9.57495041402126,"endHours":9.915351637956984,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:37","end":"07:53","startHours":7.6176433763908316,"endHours":7.889964355539413,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:57","end":"12:38","startHours":11.957758981571343,"endHours":12.638561429442797,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:50","end":"06:31","startHours":5.830536950728268,"endHours":6.511339398599721,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:20","end":"07:12","startHours":6.341138786631857,"endHours":7.1921418464711735,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:00","end":"14:41","startHours":14.000166325185702,"endHours":14.680968773057156,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:12","end":"17:36","startHours":17.204178564542968,"endHours":17.604178564542966,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:24","end":"17:50","startHours":17.404178564542967,"endHours":17.829680094462624,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:09","end":"18:54","startHours":17.154178564542967,"endHours":18.904178564542967,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:57","end":"00:38","startHours":23.957758981571345,"endHours":24.638561429442795,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Udveg","start":"07:12","end":"08:28","startHours":7.1921418464711735,"endHours":8.468646436230149,"quality":"inauspicious"},{"name":"Chala","start":"08:28","end":"09:45","startHours":8.468646436230149,"endHours":9.745151025989122,"quality":"neutral"},{"name":"Labha","start":"09:45","end":"11:01","startHours":9.745151025989122,"endHours":11.021655615748095,"quality":"auspicious"},{"name":"Amṛta","start":"11:01","end":"12:18","startHours":11.021655615748095,"endHours":12.29816020550707,"quality":"auspicious"},{"name":"Kāla","start":"12:18","end":"13:34","startHours":12.29816020550707,"endHours":13.574664795266045,"quality":"inauspicious"},{"name":"Śubha","start":"13:34","end":"14:51","startHours":13.574664795266045,"endHours":14.851169385025019,"quality":"auspicious"},{"name":"Roga","start":"14:51","end":"16:08","startHours":14.851169385025019,"endHours":16.127673974783992,"quality":"inauspicious"},{"name":"Udveg","start":"16:08","end":"17:24","startHours":16.127673974783992,"endHours":17.404178564542967,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Śubha","start":"17:24","end":"19:08","startHours":17.404178564542967,"endHours":19.127673974783992,"quality":"auspicious"},{"name":"Roga","start":"19:08","end":"20:51","startHours":19.127673974783992,"endHours":20.851169385025017,"quality":"inauspicious"},{"name":"Udveg","start":"20:51","end":"22:34","startHours":20.851169385025017,"endHours":22.574664795266045,"quality":"inauspicious"},{"name":"Chala","start":"22:34","end":"00:18","startHours":22.574664795266045,"endHours":24.29816020550707,"quality":"neutral"},{"name":"Labha","start":"00:18","end":"02:01","startHours":24.29816020550707,"endHours":26.021655615748095,"quality":"auspicious"},{"name":"Amṛta","start":"02:01","end":"03:45","startHours":26.021655615748095,"endHours":27.745151025989124,"quality":"auspicious"},{"name":"Kāla","start":"03:45","end":"05:28","startHours":27.745151025989124,"endHours":29.46864643623015,"quality":"inauspicious"},{"name":"Śubha","start":"05:28","end":"07:12","startHours":29.46864643623015,"endHours":31.192141846471173,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"07:12","end":"08:12","startHours":7.1921418464711735,"endHours":8.192141846471173,"planetary_lord":"Sun"},{"name":"Hora 2","start":"08:12","end":"09:12","startHours":8.192141846471173,"endHours":9.192141846471173,"planetary_lord":"Mars"},{"name":"Hora 3","start":"09:12","end":"10:12","startHours":9.192141846471173,"endHours":10.192141846471173,"planetary_lord":"Jupiter"},{"name":"Hora 4","start":"10:12","end":"11:12","startHours":10.192141846471173,"endHours":11.192141846471173,"planetary_lord":"Saturn"},{"name":"Hora 5","start":"11:12","end":"12:12","startHours":11.192141846471173,"endHours":12.192141846471173,"planetary_lord":"Moon"},{"name":"Hora 6","start":"12:12","end":"13:12","startHours":12.192141846471173,"endHours":13.192141846471173,"planetary_lord":"Mercury"},{"name":"Hora 7","start":"13:12","end":"14:12","startHours":13.192141846471173,"endHours":14.192141846471173,"planetary_lord":"Venus"},{"name":"Hora 8","start":"14:12","end":"15:12","startHours":14.192141846471173,"endHours":15.192141846471173,"planetary_lord":"Sun"},{"name":"Hora 9","start":"15:12","end":"16:12","startHours":15.192141846471173,"endHours":16.192141846471173,"planetary_lord":"Mars"},{"name":"Hora 10","start":"16:12","end":"17:12","startHours":16.192141846471173,"endHours":17.192141846471173,"planetary_lord":"Jupiter"},{"name":"Hora 11","start":"17:12","end":"18:12","startHours":17.192141846471173,"endHours":18.192141846471173,"planetary_lord":"Saturn"},{"name":"Hora 12","start":"18:12","end":"19:12","startHours":18.192141846471173,"endHours":19.192141846471173,"planetary_lord":"Moon"},{"name":"Hora 13","start":"19:12","end":"20:12","startHours":19.192141846471173,"endHours":20.192141846471173,"planetary_lord":"Mercury"},{"name":"Hora 14","start":"20:12","end":"21:12","startHours":20.192141846471173,"endHours":21.192141846471173,"planetary_lord":"Venus"},{"name":"Hora 15","start":"21:12","end":"22:12","startHours":21.192141846471173,"endHours":22.192141846471173,"planetary_lord":"Sun"},{"name":"Hora 16","start":"22:12","end":"23:12","startHours":22.192141846471173,"endHours":23.192141846471173,"planetary_lord":"Mars"},{"name":"Hora 17","start":"23:12","end":"00:12","startHours":23.192141846471173,"endHours":24.192141846471173,"planetary_lord":"Jupiter"},{"name":"Hora 18","start":"00:12","end":"01:12","startHours":24.192141846471173,"endHours":25.192141846471173,"planetary_lord":"Saturn"},{"name":"Hora 19","start":"01:12","end":"02:12","startHours":25.192141846471173,"endHours":26.192141846471173,"planetary_lord":"Moon"},{"name":"Hora 20","start":"02:12","end":"03:12","startHours":26.192141846471173,"endHours":27.192141846471173,"planetary_lord":"Mercury"},{"name":"Hora 21","start":"03:12","end":"04:12","startHours":27.192141846471173,"endHours":28.192141846471173,"planetary_lord":"Venus"},{"name":"Hora 22","start":"04:12","end":"05:12","startHours":28.192141846471173,"endHours":29.192141846471173,"planetary_lord":"Sun"},{"name":"Hora 23","start":"05:12","end":"06:12","startHours":29.192141846471173,"endHours":30.192141846471173,"planetary_lord":"Mars"},{"name":"Hora 24","start":"06:12","end":"07:12","startHours":30.192141846471173,"endHours":31.192141846471173,"planetary_lord":"Jupiter"}],"taraBala":{"favorable_nakshatras":["Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Svātī","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj"],"unfavorable_nakshatras":["Aśvinī","Punarvasu","Puṣya","Aśleṣā","Maghā","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Mithuna","Kanyā","Tulā","Makara","Kumbha"],"unfavorable_rashis":["Vṛṣabha","Karka","Siṃha","Vṛścika","Dhanu","Mīna"]},"dishaShool":"West (Paścim)","chandraVasa":"East","rahuVasa":"North-East","anandadiYoga":{"name":"Ānanda","quality":"Auspicious"},"tropicalRitu":"Hemanta (Pre-winter) (tropical)","vedicRitu":"Hemanta (Pre-winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-23.35810185579036,"eotMinutes":-0.9600123304242594,"ayanamsa":24.7887}},"calendars":{"vikram_samvat":2123,"vikram_samvatsara":"Vikāri","saka_samvat":1988,"saka_samvatsara":"Vyaya","bengali_samvat":1473,"malayalam_era":1242,"nanakshahi_year":597,"lunar_month":"Pauṣa","lunar_month_paksha_full":"Pauṣa Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Pauṣa","lunar_month_amanta":"Pauṣa","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Dhanus (Mārgaḻi)","ritu":"Hemanta (Pre-winter)","display_summary":"Pauṣa Śukla Daśamī · Vikram 2123 Vikāri · Śaka 1988 Vyaya"},"festivals":[],"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":[{"historical_date":"-3101-02-18","event":"Kali Yuga Epoch","chart_id":"kali-yuga-epoch","shared_marker":"same Aśvinī","url":"/day/-3101-02-18","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 December 26, 2066 CE · Ṛṣikeśa · Vidhyamitra","description":"December 26, 2066 CE for Ṛṣikeśa: Śukla Daśamī, sūryodaya 07:12, sūryāsta 17:24.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/2066-12-26","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/2066-12-26","sa":"https://sa.vidhyamitra.com/city/rishikesh/2066-12-26","hi":"https://hi.vidhyamitra.com/city/rishikesh/2066-12-26","x-default":"https://vidhyamitra.com/city/rishikesh/2066-12-26"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-01T10:24:31.211Z","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":"2026-06-01T10:24:31.211Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-01T10:24:31.211Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}