{"id":"vidhyamitra:city-day:rishikesh:2018-02-19:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/2018-02-19","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2018-02-19","date_display":"February 19, 2018 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":2018,"month":2,"day":19,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2458168.770833,"kali_year":5119,"ahargana":1869703.2708,"sun":{"sidereal_longitude":306.3039,"rashi":11,"rashi_name":"Kumbha"},"moon":{"sidereal_longitude":344.382,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":4,"name":"Caturthī","paksha":"Śukla","full_name":"Śukla Caturthī","elongation_degrees":38.0781,"elapsed_within_tithi_degrees":2.0781},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":4,"moon_longitude":344.382,"elapsed_within_degrees":11.0487},"yoga":{"number":22,"name":"Sādhya","sum_longitude":290.6859},"karana":{"half_tithi_index":6,"name":"Vaṇija"},"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":2018,"month":2,"day":19,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2458168.770833,"ahargana":1869703.2708,"kali_year":5119,"ayanamsa_lahiri":24.1063,"grahas":{"sun":{"sidereal_longitude":306.22953400000006,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":4},"retrograde":false},"moon":{"sidereal_longitude":342.720634,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":3},"retrograde":false,"latitude":-3.4588},"mars":{"sidereal_longitude":229.91293399999995,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":307.197634,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":208.39803400000005,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":3},"retrograde":false},"venus":{"sidereal_longitude":315.771334,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":252.27893399999994,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":4},"retrograde":false},"rahu":{"sidereal_longitude":114.1231,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Āśleṣā","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":294.1231,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","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":2018,"month":2,"day":19,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2458168.770833,"kali_year":5119,"ahargana":1869703.2708,"sun":{"sidereal_longitude":306.3039,"rashi":11,"rashi_name":"Kumbha"},"moon":{"sidereal_longitude":344.382,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":4,"name":"Caturthī","paksha":"Śukla","full_name":"Śukla Caturthī","elongation_degrees":38.0781,"elapsed_within_tithi_degrees":2.0781},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":4,"moon_longitude":344.382,"elapsed_within_degrees":11.0487},"yoga":{"number":22,"name":"Sādhya","sum_longitude":290.6859},"karana":{"half_tithi_index":6,"name":"Vaṇija"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-3.459,"elongation":38.078},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-3.459,"opposition_distance":141.922}},"eclipse_window_40days":[{"offset_days":-3,"type":"solar","occurs":true,"moon_latitude":-0.855,"elongation":1.98}]},"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":"06:54","sunsetLocal":"18:09","solarNoonLocal":"12:31","dayLengthHours":11.241034552105084,"dayLengthDisplay":"11 Hours 14 Mins 28 Secs","nightLengthDisplay":"12 Hours 45 Mins 32 Secs","moonriseLocal":"08:48","moonsetLocal":"21:06","rahuKala":{"name":"Rāhu Kāla","start":"08:18","end":"09:43","startHours":8.306190062354588,"endHours":9.711319381367723,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"11:07","end":"12:31","startHours":11.11644870038086,"endHours":12.521578019393996,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"13:56","end":"15:20","startHours":13.92670733840713,"endHours":15.331836657420265,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:31","end":"09:54","startHours":9.523968805499305,"endHours":9.898669957236141,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:22","end":"07:40","startHours":7.369437183012498,"endHours":7.669198104401967,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:09","end":"12:54","startHours":12.14687686765716,"endHours":12.896279171130832,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:24","end":"06:09","startHours":5.402256136394108,"endHours":6.151658439867781,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:58","end":"06:54","startHours":5.9643078639993625,"endHours":6.901060743341453,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:24","end":"15:09","startHours":14.395083778078176,"endHours":15.144486081551848,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:57","end":"18:21","startHours":17.94209529544654,"endHours":18.342095295446537,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:09","end":"18:37","startHours":18.142095295446538,"endHours":18.61047173511758,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:54","end":"19:39","startHours":17.892095295446538,"endHours":19.642095295446538,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:09","end":"00:54","startHours":24.14687686765716,"endHours":24.896279171130832,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Amṛta","start":"06:54","end":"08:18","startHours":6.901060743341453,"endHours":8.306190062354588,"quality":"auspicious"},{"name":"Kāla","start":"08:18","end":"09:43","startHours":8.306190062354588,"endHours":9.711319381367723,"quality":"inauspicious"},{"name":"Śubha","start":"09:43","end":"11:07","startHours":9.711319381367723,"endHours":11.11644870038086,"quality":"auspicious"},{"name":"Roga","start":"11:07","end":"12:31","startHours":11.11644870038086,"endHours":12.521578019393996,"quality":"inauspicious"},{"name":"Udveg","start":"12:31","end":"13:56","startHours":12.521578019393996,"endHours":13.92670733840713,"quality":"inauspicious"},{"name":"Chala","start":"13:56","end":"15:20","startHours":13.92670733840713,"endHours":15.331836657420265,"quality":"neutral"},{"name":"Labha","start":"15:20","end":"16:44","startHours":15.331836657420265,"endHours":16.736965976433403,"quality":"auspicious"},{"name":"Amṛta","start":"16:44","end":"18:09","startHours":16.736965976433403,"endHours":18.142095295446538,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Chala","start":"18:09","end":"19:44","startHours":18.142095295446538,"endHours":19.736965976433403,"quality":"neutral"},{"name":"Labha","start":"19:44","end":"21:20","startHours":19.736965976433403,"endHours":21.33183665742027,"quality":"auspicious"},{"name":"Amṛta","start":"21:20","end":"22:56","startHours":21.33183665742027,"endHours":22.92670733840713,"quality":"auspicious"},{"name":"Kāla","start":"22:56","end":"00:31","startHours":22.92670733840713,"endHours":24.521578019393996,"quality":"inauspicious"},{"name":"Śubha","start":"00:31","end":"02:07","startHours":24.521578019393996,"endHours":26.11644870038086,"quality":"auspicious"},{"name":"Roga","start":"02:07","end":"03:43","startHours":26.11644870038086,"endHours":27.711319381367723,"quality":"inauspicious"},{"name":"Udveg","start":"03:43","end":"05:18","startHours":27.711319381367723,"endHours":29.306190062354588,"quality":"inauspicious"},{"name":"Chala","start":"05:18","end":"06:54","startHours":29.306190062354588,"endHours":30.901060743341453,"quality":"neutral"}],"horas":[{"name":"Hora 1","start":"06:54","end":"07:54","startHours":6.901060743341453,"endHours":7.901060743341453,"planetary_lord":"Moon"},{"name":"Hora 2","start":"07:54","end":"08:54","startHours":7.901060743341453,"endHours":8.901060743341453,"planetary_lord":"Mercury"},{"name":"Hora 3","start":"08:54","end":"09:54","startHours":8.901060743341453,"endHours":9.901060743341453,"planetary_lord":"Venus"},{"name":"Hora 4","start":"09:54","end":"10:54","startHours":9.901060743341453,"endHours":10.901060743341453,"planetary_lord":"Sun"},{"name":"Hora 5","start":"10:54","end":"11:54","startHours":10.901060743341453,"endHours":11.901060743341453,"planetary_lord":"Mars"},{"name":"Hora 6","start":"11:54","end":"12:54","startHours":11.901060743341453,"endHours":12.901060743341453,"planetary_lord":"Jupiter"},{"name":"Hora 7","start":"12:54","end":"13:54","startHours":12.901060743341453,"endHours":13.901060743341453,"planetary_lord":"Saturn"},{"name":"Hora 8","start":"13:54","end":"14:54","startHours":13.901060743341453,"endHours":14.901060743341453,"planetary_lord":"Moon"},{"name":"Hora 9","start":"14:54","end":"15:54","startHours":14.901060743341453,"endHours":15.901060743341453,"planetary_lord":"Mercury"},{"name":"Hora 10","start":"15:54","end":"16:54","startHours":15.901060743341453,"endHours":16.901060743341453,"planetary_lord":"Venus"},{"name":"Hora 11","start":"16:54","end":"17:54","startHours":16.901060743341453,"endHours":17.901060743341453,"planetary_lord":"Sun"},{"name":"Hora 12","start":"17:54","end":"18:54","startHours":17.901060743341453,"endHours":18.901060743341453,"planetary_lord":"Mars"},{"name":"Hora 13","start":"18:54","end":"19:54","startHours":18.901060743341453,"endHours":19.901060743341453,"planetary_lord":"Jupiter"},{"name":"Hora 14","start":"19:54","end":"20:54","startHours":19.901060743341453,"endHours":20.901060743341453,"planetary_lord":"Saturn"},{"name":"Hora 15","start":"20:54","end":"21:54","startHours":20.901060743341453,"endHours":21.901060743341453,"planetary_lord":"Moon"},{"name":"Hora 16","start":"21:54","end":"22:54","startHours":21.901060743341453,"endHours":22.901060743341453,"planetary_lord":"Mercury"},{"name":"Hora 17","start":"22:54","end":"23:54","startHours":22.901060743341453,"endHours":23.901060743341453,"planetary_lord":"Venus"},{"name":"Hora 18","start":"23:54","end":"00:54","startHours":23.901060743341453,"endHours":24.901060743341453,"planetary_lord":"Sun"},{"name":"Hora 19","start":"00:54","end":"01:54","startHours":24.901060743341453,"endHours":25.901060743341453,"planetary_lord":"Mars"},{"name":"Hora 20","start":"01:54","end":"02:54","startHours":25.901060743341453,"endHours":26.901060743341453,"planetary_lord":"Jupiter"},{"name":"Hora 21","start":"02:54","end":"03:54","startHours":26.901060743341453,"endHours":27.901060743341453,"planetary_lord":"Saturn"},{"name":"Hora 22","start":"03:54","end":"04:54","startHours":27.901060743341453,"endHours":28.901060743341453,"planetary_lord":"Moon"},{"name":"Hora 23","start":"04:54","end":"05:54","startHours":28.901060743341453,"endHours":29.901060743341453,"planetary_lord":"Mercury"},{"name":"Hora 24","start":"05:54","end":"06:54","startHours":29.901060743341453,"endHours":30.901060743341453,"planetary_lord":"Venus"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Revatī"],"unfavorable_nakshatras":["Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Citrā","Svātī","Viśākhā","Anurādhā","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā"],"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":"Kāladaṇḍa","quality":"Inauspicious"},"drikRitu":"Śiśira (Winter) (Drik)","vedicRitu":"Śiśira (Winter)","drikAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":-11.352458374764156,"eotMinutes":-14.365081163639648,"ayanamsa":24.1063}},"calendars":{"vikram_samvat":2075,"vikram_samvatsara":"Virodhakṛt","saka_samvat":1940,"saka_samvatsara":"Vilambī","bengali_samvat":1425,"malayalam_era":1194,"nanakshahi_year":549,"lunar_month":"Phālguna","lunar_month_paksha_full":"Phālguna Śukla Pakṣa","solar_month":"Kumbha (Māsi)","ritu":"Śiśira (Winter)","display_summary":"Phālguna Śukla Caturthī · Vikram 2075 Virodhakṛt · Śaka 1940 Vilambī"},"festivals":[{"id":"kumbha-sankranti","name":"Kumbha Saṅkrānti","name_sanskrit":"कुम्भ सङ्क्रान्ति","tradition":"Pan-Hindu","associated_deity":"Sūrya Bhagavān","significance":"Sun enters Aquarius; Kumbha-māsa begins.","vrata":false,"detection":{"sun_rashi":"Kumbha"},"precedence":5},{"id":"vinayaka-chaturthi","name":"Vināyaka Caturthī (monthly)","name_sanskrit":"विनायक चतुर्थी","tradition":"Pan-Hindu","associated_deity":"Gaṇeśa","significance":"Monthly Śukla-pakṣa Caturthī; auspicious for new ventures.","vrata":true,"detection":{"tithi_number":4,"tithi_paksha":"Śukla"},"precedence":6}],"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 February 19, 2018 CE · Ṛṣikeśa · Vidhyamitra","description":"February 19, 2018 CE for Ṛṣikeśa: Śukla Caturthī, sūryodaya 06:54, sūryāsta 18:09.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/2018-02-19","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/2018-02-19","sa":"https://sa.vidhyamitra.com/city/rishikesh/2018-02-19","hi":"https://hi.vidhyamitra.com/city/rishikesh/2018-02-19","x-default":"https://vidhyamitra.com/city/rishikesh/2018-02-19"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-15T11:13:43.555Z","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":"2026-05-15T11:13:43.555Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-15T11:13:43.555Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}