{"id":"vidhyamitra:city-day:rishikesh:1877-12-27:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/1877-12-27","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1877-12-27","date_display":"December 27, 1877 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":1877,"month":12,"day":27,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2406980.770833,"kali_year":4979,"ahargana":1818515.2708,"sun":{"sidereal_longitude":253.3265,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":158.713,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":23,"name":"Aṣṭamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Aṣṭamī","elongation_degrees":265.3865,"elapsed_within_tithi_degrees":1.3865},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":4,"moon_longitude":158.713,"elapsed_within_degrees":12.0463},"yoga":{"number":4,"name":"Saubhāgya","sum_longitude":52.0395},"karana":{"half_tithi_index":44,"name":"Bālava"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"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":1877,"month":12,"day":27,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2406980.770833,"ahargana":1818515.2708,"kali_year":4979,"ayanamsa_lahiri":22.1486,"grahas":{"sun":{"sidereal_longitude":253.300392,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":4},"retrograde":false},"moon":{"sidereal_longitude":160.42919200000006,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":1},"retrograde":false,"latitude":-2.4097},"mars":{"sidereal_longitude":348.729092,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":274.744592,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":262.370592,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":3},"retrograde":false},"venus":{"sidereal_longitude":301.3110919999999,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":323.88479200000006,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":2},"retrograde":false},"rahu":{"sidereal_longitude":306.3096,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":126.3096,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":2},"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":1877,"month":12,"day":27,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2406980.770833,"kali_year":4979,"ahargana":1818515.2708,"sun":{"sidereal_longitude":253.3265,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":158.713,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":23,"name":"Aṣṭamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Aṣṭamī","elongation_degrees":265.3865,"elapsed_within_tithi_degrees":1.3865},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":4,"moon_longitude":158.713,"elapsed_within_degrees":12.0463},"yoga":{"number":4,"name":"Saubhāgya","sum_longitude":52.0395},"karana":{"half_tithi_index":44,"name":"Bālava"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-2.41,"elongation":94.614},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-2.41,"opposition_distance":85.386}},"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":10.215183243358911,"dayLengthDisplay":"10 Hours 12 Mins 55 Secs","nightLengthDisplay":"13 Hours 47 Mins 05 Secs","moonriseLocal":"00:07","moonsetLocal":"12:07","rahuKala":{"name":"Rāhu Kāla","start":"13:35","end":"14:52","startHours":13.582803007343713,"endHours":14.859700912763579,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"07:12","end":"08:29","startHours":7.198313480244395,"endHours":8.47521138566426,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"09:45","end":"11:02","startHours":9.752109291084123,"endHours":11.029007196503986,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:35","end":"09:55","startHours":9.581856237028141,"endHours":9.922362345140105,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:37","end":"07:54","startHours":7.623946115384349,"endHours":7.896351001873921,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:58","end":"12:39","startHours":11.965398993811887,"endHours":12.646411210035813,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:50","end":"06:31","startHours":5.836289047796541,"endHours":6.5173012640204675,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:21","end":"07:12","startHours":6.347048209964486,"endHours":7.198313480244395,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:01","end":"14:41","startHours":14.008435642483668,"endHours":14.689447858707595,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:13","end":"17:37","startHours":17.213496723603306,"endHours":17.613496723603305,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:25","end":"17:50","startHours":17.413496723603306,"endHours":17.83912935874326,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:10","end":"18:55","startHours":17.163496723603306,"endHours":18.913496723603306,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:58","end":"00:39","startHours":23.965398993811885,"endHours":24.64641121003581,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Śubha","start":"07:12","end":"08:29","startHours":7.198313480244395,"endHours":8.47521138566426,"quality":"auspicious"},{"name":"Roga","start":"08:29","end":"09:45","startHours":8.47521138566426,"endHours":9.752109291084123,"quality":"inauspicious"},{"name":"Udveg","start":"09:45","end":"11:02","startHours":9.752109291084123,"endHours":11.029007196503986,"quality":"inauspicious"},{"name":"Chala","start":"11:02","end":"12:18","startHours":11.029007196503986,"endHours":12.305905101923852,"quality":"neutral"},{"name":"Labha","start":"12:18","end":"13:35","startHours":12.305905101923852,"endHours":13.582803007343713,"quality":"auspicious"},{"name":"Amṛta","start":"13:35","end":"14:52","startHours":13.582803007343713,"endHours":14.859700912763579,"quality":"auspicious"},{"name":"Kāla","start":"14:52","end":"16:08","startHours":14.859700912763579,"endHours":16.136598818183444,"quality":"inauspicious"},{"name":"Śubha","start":"16:08","end":"17:25","startHours":16.136598818183444,"endHours":17.413496723603306,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Amṛta","start":"17:25","end":"19:08","startHours":17.413496723603306,"endHours":19.13659881818344,"quality":"auspicious"},{"name":"Kāla","start":"19:08","end":"20:52","startHours":19.13659881818344,"endHours":20.85970091276358,"quality":"inauspicious"},{"name":"Śubha","start":"20:52","end":"22:35","startHours":20.85970091276358,"endHours":22.582803007343713,"quality":"auspicious"},{"name":"Roga","start":"22:35","end":"00:18","startHours":22.582803007343713,"endHours":24.305905101923848,"quality":"inauspicious"},{"name":"Udveg","start":"00:18","end":"02:02","startHours":24.305905101923848,"endHours":26.029007196503986,"quality":"inauspicious"},{"name":"Chala","start":"02:02","end":"03:45","startHours":26.029007196503986,"endHours":27.75210929108412,"quality":"neutral"},{"name":"Labha","start":"03:45","end":"05:29","startHours":27.75210929108412,"endHours":29.47521138566426,"quality":"auspicious"},{"name":"Amṛta","start":"05:29","end":"07:12","startHours":29.47521138566426,"endHours":31.198313480244394,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"07:12","end":"08:12","startHours":7.198313480244395,"endHours":8.198313480244394,"planetary_lord":"Jupiter"},{"name":"Hora 2","start":"08:12","end":"09:12","startHours":8.198313480244394,"endHours":9.198313480244394,"planetary_lord":"Saturn"},{"name":"Hora 3","start":"09:12","end":"10:12","startHours":9.198313480244394,"endHours":10.198313480244394,"planetary_lord":"Moon"},{"name":"Hora 4","start":"10:12","end":"11:12","startHours":10.198313480244394,"endHours":11.198313480244394,"planetary_lord":"Mercury"},{"name":"Hora 5","start":"11:12","end":"12:12","startHours":11.198313480244394,"endHours":12.198313480244394,"planetary_lord":"Venus"},{"name":"Hora 6","start":"12:12","end":"13:12","startHours":12.198313480244394,"endHours":13.198313480244394,"planetary_lord":"Sun"},{"name":"Hora 7","start":"13:12","end":"14:12","startHours":13.198313480244394,"endHours":14.198313480244394,"planetary_lord":"Mars"},{"name":"Hora 8","start":"14:12","end":"15:12","startHours":14.198313480244394,"endHours":15.198313480244394,"planetary_lord":"Jupiter"},{"name":"Hora 9","start":"15:12","end":"16:12","startHours":15.198313480244394,"endHours":16.198313480244394,"planetary_lord":"Saturn"},{"name":"Hora 10","start":"16:12","end":"17:12","startHours":16.198313480244394,"endHours":17.198313480244394,"planetary_lord":"Moon"},{"name":"Hora 11","start":"17:12","end":"18:12","startHours":17.198313480244394,"endHours":18.198313480244394,"planetary_lord":"Mercury"},{"name":"Hora 12","start":"18:12","end":"19:12","startHours":18.198313480244394,"endHours":19.198313480244394,"planetary_lord":"Venus"},{"name":"Hora 13","start":"19:12","end":"20:12","startHours":19.198313480244394,"endHours":20.198313480244394,"planetary_lord":"Sun"},{"name":"Hora 14","start":"20:12","end":"21:12","startHours":20.198313480244394,"endHours":21.198313480244394,"planetary_lord":"Mars"},{"name":"Hora 15","start":"21:12","end":"22:12","startHours":21.198313480244394,"endHours":22.198313480244394,"planetary_lord":"Jupiter"},{"name":"Hora 16","start":"22:12","end":"23:12","startHours":22.198313480244394,"endHours":23.198313480244394,"planetary_lord":"Saturn"},{"name":"Hora 17","start":"23:12","end":"00:12","startHours":23.198313480244394,"endHours":24.198313480244394,"planetary_lord":"Moon"},{"name":"Hora 18","start":"00:12","end":"01:12","startHours":24.198313480244394,"endHours":25.198313480244394,"planetary_lord":"Mercury"},{"name":"Hora 19","start":"01:12","end":"02:12","startHours":25.198313480244394,"endHours":26.198313480244394,"planetary_lord":"Venus"},{"name":"Hora 20","start":"02:12","end":"03:12","startHours":26.198313480244394,"endHours":27.198313480244394,"planetary_lord":"Sun"},{"name":"Hora 21","start":"03:12","end":"04:12","startHours":27.198313480244394,"endHours":28.198313480244394,"planetary_lord":"Mars"},{"name":"Hora 22","start":"04:12","end":"05:12","startHours":28.198313480244394,"endHours":29.198313480244394,"planetary_lord":"Jupiter"},{"name":"Hora 23","start":"05:12","end":"06:12","startHours":29.198313480244394,"endHours":30.198313480244394,"planetary_lord":"Saturn"},{"name":"Hora 24","start":"06:12","end":"07:12","startHours":30.198313480244394,"endHours":31.198313480244394,"planetary_lord":"Moon"}],"taraBala":{"favorable_nakshatras":["Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Hasta","Citrā","Svātī","Viśākhā","Anurādhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Mithuna","Karka","Kanyā","Vṛścika","Kumbha","Mīna"],"unfavorable_rashis":["Meṣa","Vṛṣabha","Siṃha","Tulā","Dhanu","Makara"]},"dishaShool":"South (Dakṣiṇa)","chandraVasa":"North-West","rahuVasa":"North-West","anandadiYoga":{"name":"Dhātṛ","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":-23.324310390428085,"eotMinutes":-1.4247061154310068,"ayanamsa":22.1486}},"calendars":{"vikram_samvat":1934,"vikram_samvatsara":"Vikṛti","saka_samvat":1799,"saka_samvatsara":"Īśvara","bengali_samvat":1284,"malayalam_era":1053,"nanakshahi_year":408,"lunar_month":"Pauṣa","lunar_month_paksha_full":"Pauṣa Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Pauṣa","lunar_month_amanta":"Mārgaśīrṣa","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 Kṛṣṇa Aṣṭamī · Vikram 1934 Vikṛti · Śaka 1799 Īśvara"},"festivals":[],"todays_walk":{"walk":{"id":"guru-walk","name":"Bṛhaspati Walk","name_sanskrit":"गुरु यात्रा","type":"graha","description":"Wisdom transmission + BG 4.34.","step_count":8,"url":"/walk/guru-walk"},"reason":"Guruvāra (Thursday) — its presiding graha's walk."},"cosmic_resonances":[{"historical_date":"-3226-07-09","event":"Bhagavān Krishna's birth at Mathurā","chart_id":"krishna","shared_marker":"same Kṛṣṇa Aṣṭamī","url":"/day/-3226-07-09","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, 1877 CE · Ṛṣikeśa · Vidhyamitra","description":"December 27, 1877 CE for Ṛṣikeśa: Kṛṣṇa Aṣṭamī, sūryodaya 07:12, sūryāsta 17:25.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/1877-12-27","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/1877-12-27","sa":"https://sa.vidhyamitra.com/city/rishikesh/1877-12-27","hi":"https://hi.vidhyamitra.com/city/rishikesh/1877-12-27","x-default":"https://vidhyamitra.com/city/rishikesh/1877-12-27"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T09:31:19.857Z","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":"2026-05-31T09:31:19.857Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T09:31:19.857Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}