{"id":"vidhyamitra:city-day:rishikesh:1911-12-22:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/1911-12-22","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1911-12-22","date_display":"December 22, 1911 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":1911,"month":12,"day":22,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2419392.770833,"kali_year":5013,"ahargana":1830927.2708,"sun":{"sidereal_longitude":246.3401,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":263.6061,"rashi":9,"rashi_name":"Dhanu"},"tithi":{"number":2,"name":"Dvitīyā","paksha":"Śukla","full_name":"Śukla Dvitīyā","elongation_degrees":17.266,"elapsed_within_tithi_degrees":5.266},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":4,"moon_longitude":263.6061,"elapsed_within_degrees":10.2727},"yoga":{"number":12,"name":"Dhruva","sum_longitude":149.9462},"karana":{"half_tithi_index":2,"name":"Bālava"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"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":1911,"month":12,"day":22,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2419392.770833,"ahargana":1830927.2708,"kali_year":5013,"ayanamsa_lahiri":22.6233,"grahas":{"sun":{"sidereal_longitude":246.45396200000005,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":2},"retrograde":false},"moon":{"sidereal_longitude":261.52506199999993,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":3},"retrograde":false,"latitude":-4.3452},"mars":{"sidereal_longitude":33.387062000000014,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":255.98476200000005,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":1},"retrograde":true},"jupiter":{"sidereal_longitude":221.33496200000002,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":3},"retrograde":false},"venus":{"sidereal_longitude":202.69116200000008,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":22.247461999999985,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":3},"retrograde":true},"rahu":{"sidereal_longitude":8.6622,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":188.6622,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","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":1911,"month":12,"day":22,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2419392.770833,"kali_year":5013,"ahargana":1830927.2708,"sun":{"sidereal_longitude":246.3401,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":263.6061,"rashi":9,"rashi_name":"Dhanu"},"tithi":{"number":2,"name":"Dvitīyā","paksha":"Śukla","full_name":"Śukla Dvitīyā","elongation_degrees":17.266,"elapsed_within_tithi_degrees":5.266},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":4,"moon_longitude":263.6061,"elapsed_within_degrees":10.2727},"yoga":{"number":12,"name":"Dhruva","sum_longitude":149.9462},"karana":{"half_tithi_index":2,"name":"Bālava"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-4.345,"elongation":17.266},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-4.345,"opposition_distance":162.734}},"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":"07:10","sunsetLocal":"17:22","solarNoonLocal":"12:16","dayLengthHours":10.205029825612876,"dayLengthDisplay":"10 Hours 12 Mins 18 Secs","nightLengthDisplay":"13 Hours 47 Mins 42 Secs","moonriseLocal":"08:09","moonsetLocal":"18:23","rahuKala":{"name":"Rāhu Kāla","start":"10:59","end":"12:16","startHours":10.991314486806386,"endHours":12.266943215007995,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"14:49","end":"16:06","startHours":14.818200671411216,"endHours":16.093829399612822,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"08:26","end":"09:43","startHours":8.440057030403167,"endHours":9.715685758604778,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:33","end":"09:53","startHours":9.545601928177895,"endHours":9.885769589031659,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:35","end":"07:52","startHours":7.5896378782687615,"endHours":7.861772006951772,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:56","end":"12:36","startHours":11.926775554154233,"endHours":12.607110875861757,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:48","end":"06:29","startHours":5.803757658786508,"endHours":6.484092980494033,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:19","end":"07:10","startHours":6.314009150067152,"endHours":7.164428302201558,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:58","end":"14:39","startHours":13.967781519276809,"endHours":14.648116840984335,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:10","end":"17:34","startHours":17.169458127814433,"endHours":17.569458127814432,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:22","end":"17:48","startHours":17.369458127814433,"endHours":17.794667703881636,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:07","end":"18:52","startHours":17.119458127814433,"endHours":18.869458127814433,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:56","end":"00:36","startHours":23.926775554154233,"endHours":24.607110875861757,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Chala","start":"07:10","end":"08:26","startHours":7.164428302201558,"endHours":8.440057030403167,"quality":"neutral"},{"name":"Labha","start":"08:26","end":"09:43","startHours":8.440057030403167,"endHours":9.715685758604778,"quality":"auspicious"},{"name":"Amṛta","start":"09:43","end":"10:59","startHours":9.715685758604778,"endHours":10.991314486806386,"quality":"auspicious"},{"name":"Kāla","start":"10:59","end":"12:16","startHours":10.991314486806386,"endHours":12.266943215007995,"quality":"inauspicious"},{"name":"Śubha","start":"12:16","end":"13:33","startHours":12.266943215007995,"endHours":13.542571943209605,"quality":"auspicious"},{"name":"Roga","start":"13:33","end":"14:49","startHours":13.542571943209605,"endHours":14.818200671411216,"quality":"inauspicious"},{"name":"Udveg","start":"14:49","end":"16:06","startHours":14.818200671411216,"endHours":16.093829399612822,"quality":"inauspicious"},{"name":"Chala","start":"16:06","end":"17:22","startHours":16.093829399612822,"endHours":17.369458127814433,"quality":"neutral"}],"nightChoghadiyas":[{"name":"Roga","start":"17:22","end":"19:06","startHours":17.369458127814433,"endHours":19.093829399612822,"quality":"inauspicious"},{"name":"Udveg","start":"19:06","end":"20:49","startHours":19.093829399612822,"endHours":20.818200671411212,"quality":"inauspicious"},{"name":"Chala","start":"20:49","end":"22:33","startHours":20.818200671411212,"endHours":22.542571943209605,"quality":"neutral"},{"name":"Labha","start":"22:33","end":"00:16","startHours":22.542571943209605,"endHours":24.266943215007995,"quality":"auspicious"},{"name":"Amṛta","start":"00:16","end":"01:59","startHours":24.266943215007995,"endHours":25.991314486806385,"quality":"auspicious"},{"name":"Kāla","start":"01:59","end":"03:43","startHours":25.991314486806385,"endHours":27.715685758604778,"quality":"inauspicious"},{"name":"Śubha","start":"03:43","end":"05:26","startHours":27.715685758604778,"endHours":29.440057030403167,"quality":"auspicious"},{"name":"Roga","start":"05:26","end":"07:10","startHours":29.440057030403167,"endHours":31.164428302201557,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"07:10","end":"08:10","startHours":7.164428302201558,"endHours":8.164428302201557,"planetary_lord":"Venus"},{"name":"Hora 2","start":"08:10","end":"09:10","startHours":8.164428302201557,"endHours":9.164428302201557,"planetary_lord":"Sun"},{"name":"Hora 3","start":"09:10","end":"10:10","startHours":9.164428302201557,"endHours":10.164428302201557,"planetary_lord":"Mars"},{"name":"Hora 4","start":"10:10","end":"11:10","startHours":10.164428302201557,"endHours":11.164428302201557,"planetary_lord":"Jupiter"},{"name":"Hora 5","start":"11:10","end":"12:10","startHours":11.164428302201557,"endHours":12.164428302201557,"planetary_lord":"Saturn"},{"name":"Hora 6","start":"12:10","end":"13:10","startHours":12.164428302201557,"endHours":13.164428302201557,"planetary_lord":"Moon"},{"name":"Hora 7","start":"13:10","end":"14:10","startHours":13.164428302201557,"endHours":14.164428302201557,"planetary_lord":"Mercury"},{"name":"Hora 8","start":"14:10","end":"15:10","startHours":14.164428302201557,"endHours":15.164428302201557,"planetary_lord":"Venus"},{"name":"Hora 9","start":"15:10","end":"16:10","startHours":15.164428302201557,"endHours":16.164428302201557,"planetary_lord":"Sun"},{"name":"Hora 10","start":"16:10","end":"17:10","startHours":16.164428302201557,"endHours":17.164428302201557,"planetary_lord":"Mars"},{"name":"Hora 11","start":"17:10","end":"18:10","startHours":17.164428302201557,"endHours":18.164428302201557,"planetary_lord":"Jupiter"},{"name":"Hora 12","start":"18:10","end":"19:10","startHours":18.164428302201557,"endHours":19.164428302201557,"planetary_lord":"Saturn"},{"name":"Hora 13","start":"19:10","end":"20:10","startHours":19.164428302201557,"endHours":20.164428302201557,"planetary_lord":"Moon"},{"name":"Hora 14","start":"20:10","end":"21:10","startHours":20.164428302201557,"endHours":21.164428302201557,"planetary_lord":"Mercury"},{"name":"Hora 15","start":"21:10","end":"22:10","startHours":21.164428302201557,"endHours":22.164428302201557,"planetary_lord":"Venus"},{"name":"Hora 16","start":"22:10","end":"23:10","startHours":22.164428302201557,"endHours":23.164428302201557,"planetary_lord":"Sun"},{"name":"Hora 17","start":"23:10","end":"00:10","startHours":23.164428302201557,"endHours":24.164428302201557,"planetary_lord":"Mars"},{"name":"Hora 18","start":"00:10","end":"01:10","startHours":24.164428302201557,"endHours":25.164428302201557,"planetary_lord":"Jupiter"},{"name":"Hora 19","start":"01:10","end":"02:10","startHours":25.164428302201557,"endHours":26.164428302201557,"planetary_lord":"Saturn"},{"name":"Hora 20","start":"02:10","end":"03:10","startHours":26.164428302201557,"endHours":27.164428302201557,"planetary_lord":"Moon"},{"name":"Hora 21","start":"03:10","end":"04:10","startHours":27.164428302201557,"endHours":28.164428302201557,"planetary_lord":"Mercury"},{"name":"Hora 22","start":"04:10","end":"05:10","startHours":28.164428302201557,"endHours":29.164428302201557,"planetary_lord":"Venus"},{"name":"Hora 23","start":"05:10","end":"06:10","startHours":29.164428302201557,"endHours":30.164428302201557,"planetary_lord":"Sun"},{"name":"Hora 24","start":"06:10","end":"07:10","startHours":30.164428302201557,"endHours":31.164428302201557,"planetary_lord":"Mars"}],"taraBala":{"favorable_nakshatras":["Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Uttara Phalgunī","Hasta","Citrā","Svātī","Viśākhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Bhādrapadā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Vṛṣabha","Mithuna","Kanyā","Tulā","Dhanu","Kumbha"],"unfavorable_rashis":["Meṣa","Karka","Siṃha","Vṛścika","Makara","Mīna"]},"dishaShool":"West (Paścim)","chandraVasa":"East","rahuVasa":"South-East","anandadiYoga":{"name":"Maitra","quality":"Auspicious"},"tropicalRitu":"Hemanta (Pre-winter)","vedicRitu":"Hemanta (Pre-winter)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-23.433279125599135,"eotMinutes":0.9130070995203906,"ayanamsa":22.6233}},"calendars":{"vikram_samvat":1968,"vikram_samvatsara":"Raktākṣī","saka_samvat":1833,"saka_samvatsara":"Virodhakṛt","bengali_samvat":1318,"malayalam_era":1087,"nanakshahi_year":442,"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 Dvitīyā · Vikram 1968 Raktākṣī · Śaka 1833 Virodhakṛt"},"festivals":[],"todays_walk":{"walk":{"id":"shukra-walk","name":"Śukra Walk","name_sanskrit":"शुक्र यात्रा","type":"graha","description":"Beauty + creativity in dharma + BG 10.36.","step_count":5,"url":"/walk/shukra-walk"},"reason":"Śukravāra (Friday) — 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 22, 1911 CE · Ṛṣikeśa · Vidhyamitra","description":"December 22, 1911 CE for Ṛṣikeśa: Śukla Dvitīyā, sūryodaya 07:10, sūryāsta 17:22.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/1911-12-22","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/1911-12-22","sa":"https://sa.vidhyamitra.com/city/rishikesh/1911-12-22","hi":"https://hi.vidhyamitra.com/city/rishikesh/1911-12-22","x-default":"https://vidhyamitra.com/city/rishikesh/1911-12-22"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T19:01:55.883Z","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":"2026-05-31T19:01:55.883Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T19:01:55.883Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}