{"id":"vidhyamitra:city-day:rishikesh:1893-12-18:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/1893-12-18","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1893-12-18","date_display":"December 18, 1893 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":1893,"month":12,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2412815.770833,"kali_year":4995,"ahargana":1824350.2708,"sun":{"sidereal_longitude":243.934,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":357.0186,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":10,"name":"Daśamī","paksha":"Śukla","full_name":"Śukla Daśamī","elongation_degrees":113.0845,"elapsed_within_tithi_degrees":5.0845},"nakshatra":{"number":27,"name":"Revatī","pada":4,"moon_longitude":357.0186,"elapsed_within_degrees":10.3519},"yoga":{"number":19,"name":"Parigha","sum_longitude":240.9526},"karana":{"half_tithi_index":18,"name":"Taitila"},"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":1893,"month":12,"day":18,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2412815.770833,"ahargana":1824350.2708,"kali_year":4995,"ayanamsa_lahiri":22.3718,"grahas":{"sun":{"sidereal_longitude":244.02685199999996,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":2},"retrograde":false},"moon":{"sidereal_longitude":353.636552,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":3},"retrograde":false,"latitude":-0.0098},"mars":{"sidereal_longitude":209.61965199999997,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":224.370852,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":31.32935199999997,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":2},"retrograde":true},"venus":{"sidereal_longitude":292.296552,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":181.85835199999997,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":3},"retrograde":false},"rahu":{"sidereal_longitude":357.1433,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":177.1433,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":14,"name":"Citrā","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":1893,"month":12,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2412815.770833,"kali_year":4995,"ahargana":1824350.2708,"sun":{"sidereal_longitude":243.934,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":357.0186,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":10,"name":"Daśamī","paksha":"Śukla","full_name":"Śukla Daśamī","elongation_degrees":113.0845,"elapsed_within_tithi_degrees":5.0845},"nakshatra":{"number":27,"name":"Revatī","pada":4,"moon_longitude":357.0186,"elapsed_within_degrees":10.3519},"yoga":{"number":19,"name":"Parigha","sum_longitude":240.9526},"karana":{"half_tithi_index":18,"name":"Taitila"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-0.01,"elongation":113.085},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-0.01,"opposition_distance":66.915}},"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":"07:08","sunsetLocal":"17:20","solarNoonLocal":"12:14","dayLengthHours":10.209301366403249,"dayLengthDisplay":"10 Hours 12 Mins 33 Secs","nightLengthDisplay":"13 Hours 47 Mins 27 Secs","moonriseLocal":"13:15","moonsetLocal":"01:50","rahuKala":{"name":"Rāhu Kāla","start":"08:24","end":"09:41","startHours":8.407209865129762,"endHours":9.683372535930168,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"10:58","end":"12:14","startHours":10.959535206730575,"endHours":12.235697877530981,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"13:31","end":"14:47","startHours":13.511860548331388,"endHours":14.788023219131793,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:31","end":"09:51","startHours":9.51321751315678,"endHours":9.853527558703556,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:33","end":"07:50","startHours":7.556434751262825,"endHours":7.828682787700244,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:54","end":"12:35","startHours":11.895387831984204,"endHours":12.576007923077755,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:46","end":"06:27","startHours":5.769807012142256,"endHours":6.450427103235806,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:17","end":"07:08","startHours":6.280272080462418,"endHours":7.131047194329356,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:56","end":"14:37","startHours":13.937248105264855,"endHours":14.617868196358405,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:08","end":"17:32","startHours":17.140348560732605,"endHours":17.540348560732603,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:20","end":"17:46","startHours":17.340348560732604,"endHours":17.765736117666073,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:05","end":"18:50","startHours":17.090348560732604,"endHours":18.840348560732604,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:54","end":"00:35","startHours":23.895387831984205,"endHours":24.576007923077757,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Amṛta","start":"07:08","end":"08:24","startHours":7.131047194329356,"endHours":8.407209865129762,"quality":"auspicious"},{"name":"Kāla","start":"08:24","end":"09:41","startHours":8.407209865129762,"endHours":9.683372535930168,"quality":"inauspicious"},{"name":"Śubha","start":"09:41","end":"10:58","startHours":9.683372535930168,"endHours":10.959535206730575,"quality":"auspicious"},{"name":"Roga","start":"10:58","end":"12:14","startHours":10.959535206730575,"endHours":12.235697877530981,"quality":"inauspicious"},{"name":"Udveg","start":"12:14","end":"13:31","startHours":12.235697877530981,"endHours":13.511860548331388,"quality":"inauspicious"},{"name":"Chala","start":"13:31","end":"14:47","startHours":13.511860548331388,"endHours":14.788023219131793,"quality":"neutral"},{"name":"Labha","start":"14:47","end":"16:04","startHours":14.788023219131793,"endHours":16.064185889932197,"quality":"auspicious"},{"name":"Amṛta","start":"16:04","end":"17:20","startHours":16.064185889932197,"endHours":17.340348560732604,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Chala","start":"17:20","end":"19:04","startHours":17.340348560732604,"endHours":19.064185889932197,"quality":"neutral"},{"name":"Labha","start":"19:04","end":"20:47","startHours":19.064185889932197,"endHours":20.78802321913179,"quality":"auspicious"},{"name":"Amṛta","start":"20:47","end":"22:31","startHours":20.78802321913179,"endHours":22.511860548331384,"quality":"auspicious"},{"name":"Kāla","start":"22:31","end":"00:14","startHours":22.511860548331384,"endHours":24.23569787753098,"quality":"inauspicious"},{"name":"Śubha","start":"00:14","end":"01:58","startHours":24.23569787753098,"endHours":25.95953520673057,"quality":"auspicious"},{"name":"Roga","start":"01:58","end":"03:41","startHours":25.95953520673057,"endHours":27.683372535930168,"quality":"inauspicious"},{"name":"Udveg","start":"03:41","end":"05:24","startHours":27.683372535930168,"endHours":29.40720986512976,"quality":"inauspicious"},{"name":"Chala","start":"05:24","end":"07:08","startHours":29.40720986512976,"endHours":31.131047194329355,"quality":"neutral"}],"horas":[{"name":"Hora 1","start":"07:08","end":"08:08","startHours":7.131047194329356,"endHours":8.131047194329355,"planetary_lord":"Moon"},{"name":"Hora 2","start":"08:08","end":"09:08","startHours":8.131047194329355,"endHours":9.131047194329355,"planetary_lord":"Mercury"},{"name":"Hora 3","start":"09:08","end":"10:08","startHours":9.131047194329355,"endHours":10.131047194329355,"planetary_lord":"Venus"},{"name":"Hora 4","start":"10:08","end":"11:08","startHours":10.131047194329355,"endHours":11.131047194329355,"planetary_lord":"Sun"},{"name":"Hora 5","start":"11:08","end":"12:08","startHours":11.131047194329355,"endHours":12.131047194329355,"planetary_lord":"Mars"},{"name":"Hora 6","start":"12:08","end":"13:08","startHours":12.131047194329355,"endHours":13.131047194329355,"planetary_lord":"Jupiter"},{"name":"Hora 7","start":"13:08","end":"14:08","startHours":13.131047194329355,"endHours":14.131047194329355,"planetary_lord":"Saturn"},{"name":"Hora 8","start":"14:08","end":"15:08","startHours":14.131047194329355,"endHours":15.131047194329355,"planetary_lord":"Moon"},{"name":"Hora 9","start":"15:08","end":"16:08","startHours":15.131047194329355,"endHours":16.131047194329355,"planetary_lord":"Mercury"},{"name":"Hora 10","start":"16:08","end":"17:08","startHours":16.131047194329355,"endHours":17.131047194329355,"planetary_lord":"Venus"},{"name":"Hora 11","start":"17:08","end":"18:08","startHours":17.131047194329355,"endHours":18.131047194329355,"planetary_lord":"Sun"},{"name":"Hora 12","start":"18:08","end":"19:08","startHours":18.131047194329355,"endHours":19.131047194329355,"planetary_lord":"Mars"},{"name":"Hora 13","start":"19:08","end":"20:08","startHours":19.131047194329355,"endHours":20.131047194329355,"planetary_lord":"Jupiter"},{"name":"Hora 14","start":"20:08","end":"21:08","startHours":20.131047194329355,"endHours":21.131047194329355,"planetary_lord":"Saturn"},{"name":"Hora 15","start":"21:08","end":"22:08","startHours":21.131047194329355,"endHours":22.131047194329355,"planetary_lord":"Moon"},{"name":"Hora 16","start":"22:08","end":"23:08","startHours":22.131047194329355,"endHours":23.131047194329355,"planetary_lord":"Mercury"},{"name":"Hora 17","start":"23:08","end":"00:08","startHours":23.131047194329355,"endHours":24.131047194329355,"planetary_lord":"Venus"},{"name":"Hora 18","start":"00:08","end":"01:08","startHours":24.131047194329355,"endHours":25.131047194329355,"planetary_lord":"Sun"},{"name":"Hora 19","start":"01:08","end":"02:08","startHours":25.131047194329355,"endHours":26.131047194329355,"planetary_lord":"Mars"},{"name":"Hora 20","start":"02:08","end":"03:08","startHours":26.131047194329355,"endHours":27.131047194329355,"planetary_lord":"Jupiter"},{"name":"Hora 21","start":"03:08","end":"04:08","startHours":27.131047194329355,"endHours":28.131047194329355,"planetary_lord":"Saturn"},{"name":"Hora 22","start":"04:08","end":"05:08","startHours":28.131047194329355,"endHours":29.131047194329355,"planetary_lord":"Moon"},{"name":"Hora 23","start":"05:08","end":"06:08","startHours":29.131047194329355,"endHours":30.131047194329355,"planetary_lord":"Mercury"},{"name":"Hora 24","start":"06:08","end":"07:08","startHours":30.131047194329355,"endHours":31.131047194329355,"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)","vedicRitu":"Hemanta (Pre-winter)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-23.38746136873628,"eotMinutes":2.787727348141232,"ayanamsa":22.3718}},"calendars":{"vikram_samvat":1950,"vikram_samvatsara":"Parābhava","saka_samvat":1815,"saka_samvatsara":"Vijaya","bengali_samvat":1300,"malayalam_era":1069,"nanakshahi_year":424,"lunar_month":"Mārgaśīrṣa","lunar_month_paksha_full":"Mārgaśīrṣa Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Mārgaśīrṣa","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":"Mārgaśīrṣa Śukla Daśamī · Vikram 1950 Parābhava · Śaka 1815 Vijaya"},"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":[]},"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 18, 1893 CE · Ṛṣikeśa · Vidhyamitra","description":"December 18, 1893 CE for Ṛṣikeśa: Śukla Daśamī, sūryodaya 07:08, sūryāsta 17:20.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/1893-12-18","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/1893-12-18","sa":"https://sa.vidhyamitra.com/city/rishikesh/1893-12-18","hi":"https://hi.vidhyamitra.com/city/rishikesh/1893-12-18","x-default":"https://vidhyamitra.com/city/rishikesh/1893-12-18"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T12:05:53.590Z","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":"2026-05-31T12:05:53.590Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T12:05:53.590Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}