{"id":"vidhyamitra:city-day:rishikesh:2055-12-27:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/2055-12-27","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2055-12-27","date_display":"December 27, 2055 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":2055,"month":12,"day":27,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2471993.770833,"kali_year":5157,"ahargana":1883528.2708,"sun":{"sidereal_longitude":250.1824,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":351.7192,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":9,"name":"Navamī","paksha":"Śukla","full_name":"Śukla Navamī","elongation_degrees":101.5369,"elapsed_within_tithi_degrees":5.5369},"nakshatra":{"number":27,"name":"Revatī","pada":2,"moon_longitude":351.7192,"elapsed_within_degrees":5.0526},"yoga":{"number":19,"name":"Parigha","sum_longitude":241.9016},"karana":{"half_tithi_index":16,"name":"Bālava"},"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":2055,"month":12,"day":27,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2471993.770833,"ahargana":1883528.2708,"kali_year":5157,"ayanamsa_lahiri":24.6351,"grahas":{"sun":{"sidereal_longitude":250.60211700000002,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":4},"retrograde":false},"moon":{"sidereal_longitude":352.570117,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":2},"retrograde":false,"latitude":-4.2311},"mars":{"sidereal_longitude":241.76401699999997,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":267.47781699999996,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":261.196417,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":3},"retrograde":false},"venus":{"sidereal_longitude":213.40871700000002,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":338.114517,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":2},"retrograde":false},"rahu":{"sidereal_longitude":101.608,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":281.608,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","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":2055,"month":12,"day":27,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2471993.770833,"kali_year":5157,"ahargana":1883528.2708,"sun":{"sidereal_longitude":250.1824,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":351.7192,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":9,"name":"Navamī","paksha":"Śukla","full_name":"Śukla Navamī","elongation_degrees":101.5369,"elapsed_within_tithi_degrees":5.5369},"nakshatra":{"number":27,"name":"Revatī","pada":2,"moon_longitude":351.7192,"elapsed_within_degrees":5.0526},"yoga":{"number":19,"name":"Parigha","sum_longitude":241.9016},"karana":{"half_tithi_index":16,"name":"Bālava"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-4.231,"elongation":101.537},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-4.231,"opposition_distance":78.463}},"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":"12:18","dayLengthHours":10.21438804641642,"dayLengthDisplay":"10 Hours 12 Mins 52 Secs","nightLengthDisplay":"13 Hours 47 Mins 08 Secs","moonriseLocal":"12:48","moonsetLocal":"01:25","rahuKala":{"name":"Rāhu Kāla","start":"08:29","end":"09:45","startHours":8.475509584517692,"endHours":9.752308090319744,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"11:02","end":"12:18","startHours":11.029106596121796,"endHours":12.305905101923848,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"13:35","end":"14:52","startHours":13.5827036077259,"endHours":14.859502113527954,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:35","end":"09:55","startHours":9.582068289546136,"endHours":9.922547891093352,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:37","end":"07:54","startHours":7.624310580649656,"endHours":7.896694261887427,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:58","end":"12:39","startHours":11.965425500376636,"endHours":12.646384703471064,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:50","end":"06:31","startHours":5.836792672526783,"endHours":6.517751875621211,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:21","end":"07:12","startHours":6.347512074847604,"endHours":7.198711078715639,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:00","end":"14:41","startHours":14.00830310965992,"endHours":14.689262312754348,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:13","end":"17:37","startHours":17.21309912513206,"endHours":17.61309912513206,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:25","end":"17:50","startHours":17.41309912513206,"endHours":17.838698627066076,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:10","end":"18:55","startHours":17.16309912513206,"endHours":18.91309912513206,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:58","end":"00:39","startHours":23.965425500376632,"endHours":24.646384703471064,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Amṛta","start":"07:12","end":"08:29","startHours":7.198711078715639,"endHours":8.475509584517692,"quality":"auspicious"},{"name":"Kāla","start":"08:29","end":"09:45","startHours":8.475509584517692,"endHours":9.752308090319744,"quality":"inauspicious"},{"name":"Śubha","start":"09:45","end":"11:02","startHours":9.752308090319744,"endHours":11.029106596121796,"quality":"auspicious"},{"name":"Roga","start":"11:02","end":"12:18","startHours":11.029106596121796,"endHours":12.305905101923848,"quality":"inauspicious"},{"name":"Udveg","start":"12:18","end":"13:35","startHours":12.305905101923848,"endHours":13.5827036077259,"quality":"inauspicious"},{"name":"Chala","start":"13:35","end":"14:52","startHours":13.5827036077259,"endHours":14.859502113527954,"quality":"neutral"},{"name":"Labha","start":"14:52","end":"16:08","startHours":14.859502113527954,"endHours":16.136300619330008,"quality":"auspicious"},{"name":"Amṛta","start":"16:08","end":"17:25","startHours":16.136300619330008,"endHours":17.41309912513206,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Chala","start":"17:25","end":"19:08","startHours":17.41309912513206,"endHours":19.136300619330008,"quality":"neutral"},{"name":"Labha","start":"19:08","end":"20:52","startHours":19.136300619330008,"endHours":20.859502113527956,"quality":"auspicious"},{"name":"Amṛta","start":"20:52","end":"22:35","startHours":20.859502113527956,"endHours":22.582703607725904,"quality":"auspicious"},{"name":"Kāla","start":"22:35","end":"00:18","startHours":22.582703607725904,"endHours":24.305905101923848,"quality":"inauspicious"},{"name":"Śubha","start":"00:18","end":"02:02","startHours":24.305905101923848,"endHours":26.0291065961218,"quality":"auspicious"},{"name":"Roga","start":"02:02","end":"03:45","startHours":26.0291065961218,"endHours":27.752308090319744,"quality":"inauspicious"},{"name":"Udveg","start":"03:45","end":"05:29","startHours":27.752308090319744,"endHours":29.47550958451769,"quality":"inauspicious"},{"name":"Chala","start":"05:29","end":"07:12","startHours":29.47550958451769,"endHours":31.19871107871564,"quality":"neutral"}],"horas":[{"name":"Hora 1","start":"07:12","end":"08:12","startHours":7.198711078715639,"endHours":8.19871107871564,"planetary_lord":"Moon"},{"name":"Hora 2","start":"08:12","end":"09:12","startHours":8.19871107871564,"endHours":9.19871107871564,"planetary_lord":"Mercury"},{"name":"Hora 3","start":"09:12","end":"10:12","startHours":9.19871107871564,"endHours":10.19871107871564,"planetary_lord":"Venus"},{"name":"Hora 4","start":"10:12","end":"11:12","startHours":10.19871107871564,"endHours":11.19871107871564,"planetary_lord":"Sun"},{"name":"Hora 5","start":"11:12","end":"12:12","startHours":11.19871107871564,"endHours":12.19871107871564,"planetary_lord":"Mars"},{"name":"Hora 6","start":"12:12","end":"13:12","startHours":12.19871107871564,"endHours":13.19871107871564,"planetary_lord":"Jupiter"},{"name":"Hora 7","start":"13:12","end":"14:12","startHours":13.19871107871564,"endHours":14.19871107871564,"planetary_lord":"Saturn"},{"name":"Hora 8","start":"14:12","end":"15:12","startHours":14.19871107871564,"endHours":15.19871107871564,"planetary_lord":"Moon"},{"name":"Hora 9","start":"15:12","end":"16:12","startHours":15.19871107871564,"endHours":16.19871107871564,"planetary_lord":"Mercury"},{"name":"Hora 10","start":"16:12","end":"17:12","startHours":16.19871107871564,"endHours":17.19871107871564,"planetary_lord":"Venus"},{"name":"Hora 11","start":"17:12","end":"18:12","startHours":17.19871107871564,"endHours":18.19871107871564,"planetary_lord":"Sun"},{"name":"Hora 12","start":"18:12","end":"19:12","startHours":18.19871107871564,"endHours":19.19871107871564,"planetary_lord":"Mars"},{"name":"Hora 13","start":"19:12","end":"20:12","startHours":19.19871107871564,"endHours":20.19871107871564,"planetary_lord":"Jupiter"},{"name":"Hora 14","start":"20:12","end":"21:12","startHours":20.19871107871564,"endHours":21.19871107871564,"planetary_lord":"Saturn"},{"name":"Hora 15","start":"21:12","end":"22:12","startHours":21.19871107871564,"endHours":22.19871107871564,"planetary_lord":"Moon"},{"name":"Hora 16","start":"22:12","end":"23:12","startHours":22.19871107871564,"endHours":23.19871107871564,"planetary_lord":"Mercury"},{"name":"Hora 17","start":"23:12","end":"00:12","startHours":23.19871107871564,"endHours":24.19871107871564,"planetary_lord":"Venus"},{"name":"Hora 18","start":"00:12","end":"01:12","startHours":24.19871107871564,"endHours":25.19871107871564,"planetary_lord":"Sun"},{"name":"Hora 19","start":"01:12","end":"02:12","startHours":25.19871107871564,"endHours":26.19871107871564,"planetary_lord":"Mars"},{"name":"Hora 20","start":"02:12","end":"03:12","startHours":26.19871107871564,"endHours":27.19871107871564,"planetary_lord":"Jupiter"},{"name":"Hora 21","start":"03:12","end":"04:12","startHours":27.19871107871564,"endHours":28.19871107871564,"planetary_lord":"Saturn"},{"name":"Hora 22","start":"04:12","end":"05:12","startHours":28.19871107871564,"endHours":29.19871107871564,"planetary_lord":"Moon"},{"name":"Hora 23","start":"05:12","end":"06:12","startHours":29.19871107871564,"endHours":30.19871107871564,"planetary_lord":"Mercury"},{"name":"Hora 24","start":"06:12","end":"07:12","startHours":30.19871107871564,"endHours":31.19871107871564,"planetary_lord":"Venus"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā"],"unfavorable_nakshatras":["Ārdrā","Punarvasu","Puṣya","Aśleṣā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Vṛṣabha","Siṃha","Kanyā","Dhanu","Makara","Mīna"],"unfavorable_rashis":["Meṣa","Mithuna","Karka","Tulā","Vṛścika","Kumbha"]},"dishaShool":"East (Pūrva)","chandraVasa":"South-West","rahuVasa":"North-East","anandadiYoga":{"name":"Dhūmra","quality":"Inauspicious"},"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":-23.33285213188194,"eotMinutes":-1.4247061154310068,"ayanamsa":24.6351}},"calendars":{"vikram_samvat":2112,"vikram_samvatsara":"Sarvadhāri","saka_samvat":1977,"saka_samvatsara":"Yuva","bengali_samvat":1462,"malayalam_era":1231,"nanakshahi_year":586,"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 Navamī · Vikram 2112 Sarvadhāri · Śaka 1977 Yuva"},"festivals":[],"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":[{"historical_date":"-1626101-04-03","event":"Bhagavān Rāma's birth at Ayodhyā","chart_id":"rama","shared_marker":"same Śukla Navamī","url":"/day/-1626101-04-03","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 27, 2055 CE · Ṛṣikeśa · Vidhyamitra","description":"December 27, 2055 CE for Ṛṣikeśa: Śukla Navamī, sūryodaya 07:12, sūryāsta 17:25.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/2055-12-27","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/2055-12-27","sa":"https://sa.vidhyamitra.com/city/rishikesh/2055-12-27","hi":"https://hi.vidhyamitra.com/city/rishikesh/2055-12-27","x-default":"https://vidhyamitra.com/city/rishikesh/2055-12-27"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-01T00:25:40.290Z","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":"2026-06-01T00:25:40.290Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-01T00:25:40.290Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}