{"id":"vidhyamitra:city-day:rishikesh:1911-02-18:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/1911-02-18","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1911-02-18","date_display":"February 18, 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":2,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2419085.770833,"kali_year":5012,"ahargana":1830620.2708,"sun":{"sidereal_longitude":305.9868,"rashi":11,"rashi_name":"Kumbha"},"moon":{"sidereal_longitude":182.4996,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":20,"name":"Pañcamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Pañcamī","elongation_degrees":236.5128,"elapsed_within_tithi_degrees":8.5128},"nakshatra":{"number":14,"name":"Citrā","pada":3,"moon_longitude":182.4996,"elapsed_within_degrees":9.1662},"yoga":{"number":10,"name":"Gaṇḍa","sum_longitude":128.4863},"karana":{"half_tithi_index":39,"name":"Taitila"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"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":2,"day":18,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2419085.770833,"ahargana":1830620.2708,"kali_year":5012,"ayanamsa_lahiri":22.6116,"grahas":{"sun":{"sidereal_longitude":305.66559200000006,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":4},"retrograde":false},"moon":{"sidereal_longitude":181.49519199999997,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":3},"retrograde":false,"latitude":1.7154},"mars":{"sidereal_longitude":261.0332920000001,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":285.450292,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":203.12979199999995,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":1},"retrograde":false},"venus":{"sidereal_longitude":326.786792,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":10.038891999999976,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":4},"retrograde":false},"rahu":{"sidereal_longitude":24.9285,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":204.9285,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","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":1911,"month":2,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2419085.770833,"kali_year":5012,"ahargana":1830620.2708,"sun":{"sidereal_longitude":305.9868,"rashi":11,"rashi_name":"Kumbha"},"moon":{"sidereal_longitude":182.4996,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":20,"name":"Pañcamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Pañcamī","elongation_degrees":236.5128,"elapsed_within_tithi_degrees":8.5128},"nakshatra":{"number":14,"name":"Citrā","pada":3,"moon_longitude":182.4996,"elapsed_within_degrees":9.1662},"yoga":{"number":10,"name":"Gaṇḍa","sum_longitude":128.4863},"karana":{"half_tithi_index":39,"name":"Taitila"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":1.715,"elongation":123.487},"lunar":{"type":"lunar","occurs":false,"moon_latitude":1.715,"opposition_distance":56.513}},"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":"06:56","sunsetLocal":"18:07","solarNoonLocal":"12:31","dayLengthHours":11.183135484851936,"dayLengthDisplay":"11 Hours 10 Mins 59 Secs","nightLengthDisplay":"12 Hours 49 Mins 01 Secs","moonriseLocal":"22:34","moonsetLocal":"09:56","rahuKala":{"name":"Rāhu Kāla","start":"09:44","end":"11:07","startHours":9.726957398993687,"endHours":11.124849334600178,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"13:55","end":"15:19","startHours":13.920633205813163,"endHours":15.318525141419654,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"06:56","end":"08:20","startHours":6.931173527780702,"endHours":8.329065463387193,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:32","end":"09:55","startHours":9.540571807579488,"endHours":9.913342990407886,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:24","end":"07:42","startHours":7.3971375063161995,"endHours":7.6953544525789175,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:09","end":"12:54","startHours":12.149970087378273,"endHours":12.895512453035069,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:26","end":"06:11","startHours":5.44008879646711,"endHours":6.185631162123906,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:00","end":"06:56","startHours":5.999245570709707,"endHours":6.931173527780702,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:23","end":"15:08","startHours":14.386597184348659,"endHours":15.132139550005455,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:55","end":"18:19","startHours":17.91430901263264,"endHours":18.314309012632638,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:07","end":"18:35","startHours":18.11430901263264,"endHours":18.580272991168137,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:52","end":"19:37","startHours":17.86430901263264,"endHours":19.61430901263264,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:09","end":"00:54","startHours":24.149970087378275,"endHours":24.89551245303507,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Kāla","start":"06:56","end":"08:20","startHours":6.931173527780702,"endHours":8.329065463387193,"quality":"inauspicious"},{"name":"Śubha","start":"08:20","end":"09:44","startHours":8.329065463387193,"endHours":9.726957398993687,"quality":"auspicious"},{"name":"Roga","start":"09:44","end":"11:07","startHours":9.726957398993687,"endHours":11.124849334600178,"quality":"inauspicious"},{"name":"Udveg","start":"11:07","end":"12:31","startHours":11.124849334600178,"endHours":12.52274127020667,"quality":"inauspicious"},{"name":"Chala","start":"12:31","end":"13:55","startHours":12.52274127020667,"endHours":13.920633205813163,"quality":"neutral"},{"name":"Labha","start":"13:55","end":"15:19","startHours":13.920633205813163,"endHours":15.318525141419654,"quality":"auspicious"},{"name":"Amṛta","start":"15:19","end":"16:43","startHours":15.318525141419654,"endHours":16.716417077026147,"quality":"auspicious"},{"name":"Kāla","start":"16:43","end":"18:07","startHours":16.716417077026147,"endHours":18.11430901263264,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Labha","start":"18:07","end":"19:43","startHours":18.11430901263264,"endHours":19.716417077026147,"quality":"auspicious"},{"name":"Amṛta","start":"19:43","end":"21:19","startHours":19.716417077026147,"endHours":21.318525141419656,"quality":"auspicious"},{"name":"Kāla","start":"21:19","end":"22:55","startHours":21.318525141419656,"endHours":22.92063320581316,"quality":"inauspicious"},{"name":"Śubha","start":"22:55","end":"00:31","startHours":22.92063320581316,"endHours":24.52274127020667,"quality":"auspicious"},{"name":"Roga","start":"00:31","end":"02:07","startHours":24.52274127020667,"endHours":26.124849334600178,"quality":"inauspicious"},{"name":"Udveg","start":"02:07","end":"03:44","startHours":26.124849334600178,"endHours":27.726957398993687,"quality":"inauspicious"},{"name":"Chala","start":"03:44","end":"05:20","startHours":27.726957398993687,"endHours":29.329065463387195,"quality":"neutral"},{"name":"Labha","start":"05:20","end":"06:56","startHours":29.329065463387195,"endHours":30.9311735277807,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:56","end":"07:56","startHours":6.931173527780702,"endHours":7.931173527780702,"planetary_lord":"Saturn"},{"name":"Hora 2","start":"07:56","end":"08:56","startHours":7.931173527780702,"endHours":8.931173527780702,"planetary_lord":"Moon"},{"name":"Hora 3","start":"08:56","end":"09:56","startHours":8.931173527780702,"endHours":9.931173527780702,"planetary_lord":"Mercury"},{"name":"Hora 4","start":"09:56","end":"10:56","startHours":9.931173527780702,"endHours":10.931173527780702,"planetary_lord":"Venus"},{"name":"Hora 5","start":"10:56","end":"11:56","startHours":10.931173527780702,"endHours":11.931173527780702,"planetary_lord":"Sun"},{"name":"Hora 6","start":"11:56","end":"12:56","startHours":11.931173527780702,"endHours":12.931173527780702,"planetary_lord":"Mars"},{"name":"Hora 7","start":"12:56","end":"13:56","startHours":12.931173527780702,"endHours":13.931173527780702,"planetary_lord":"Jupiter"},{"name":"Hora 8","start":"13:56","end":"14:56","startHours":13.931173527780702,"endHours":14.931173527780702,"planetary_lord":"Saturn"},{"name":"Hora 9","start":"14:56","end":"15:56","startHours":14.931173527780702,"endHours":15.931173527780702,"planetary_lord":"Moon"},{"name":"Hora 10","start":"15:56","end":"16:56","startHours":15.931173527780702,"endHours":16.9311735277807,"planetary_lord":"Mercury"},{"name":"Hora 11","start":"16:56","end":"17:56","startHours":16.9311735277807,"endHours":17.9311735277807,"planetary_lord":"Venus"},{"name":"Hora 12","start":"17:56","end":"18:56","startHours":17.9311735277807,"endHours":18.9311735277807,"planetary_lord":"Sun"},{"name":"Hora 13","start":"18:56","end":"19:56","startHours":18.9311735277807,"endHours":19.9311735277807,"planetary_lord":"Mars"},{"name":"Hora 14","start":"19:56","end":"20:56","startHours":19.9311735277807,"endHours":20.9311735277807,"planetary_lord":"Jupiter"},{"name":"Hora 15","start":"20:56","end":"21:56","startHours":20.9311735277807,"endHours":21.9311735277807,"planetary_lord":"Saturn"},{"name":"Hora 16","start":"21:56","end":"22:56","startHours":21.9311735277807,"endHours":22.9311735277807,"planetary_lord":"Moon"},{"name":"Hora 17","start":"22:56","end":"23:56","startHours":22.9311735277807,"endHours":23.9311735277807,"planetary_lord":"Mercury"},{"name":"Hora 18","start":"23:56","end":"00:56","startHours":23.9311735277807,"endHours":24.9311735277807,"planetary_lord":"Venus"},{"name":"Hora 19","start":"00:56","end":"01:56","startHours":24.9311735277807,"endHours":25.9311735277807,"planetary_lord":"Sun"},{"name":"Hora 20","start":"01:56","end":"02:56","startHours":25.9311735277807,"endHours":26.9311735277807,"planetary_lord":"Mars"},{"name":"Hora 21","start":"02:56","end":"03:56","startHours":26.9311735277807,"endHours":27.9311735277807,"planetary_lord":"Jupiter"},{"name":"Hora 22","start":"03:56","end":"04:56","startHours":27.9311735277807,"endHours":28.9311735277807,"planetary_lord":"Saturn"},{"name":"Hora 23","start":"04:56","end":"05:56","startHours":28.9311735277807,"endHours":29.9311735277807,"planetary_lord":"Moon"},{"name":"Hora 24","start":"05:56","end":"06:56","startHours":29.9311735277807,"endHours":30.9311735277807,"planetary_lord":"Mercury"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Ārdrā","Punarvasu","Puṣya","Aśleṣā","Maghā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Karka","Siṃha","Tulā","Dhanu","Mīna"],"unfavorable_rashis":["Vṛṣabha","Mithuna","Kanyā","Vṛścika","Makara","Kumbha"]},"dishaShool":"East (Pūrva)","chandraVasa":"North","rahuVasa":"East","anandadiYoga":{"name":"Mudgara","quality":"Inauspicious"},"tropicalRitu":"Śiśira (Winter)","vedicRitu":"Śiśira (Winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-12.071479719488508,"eotMinutes":-14.434876212400278,"ayanamsa":22.6116}},"calendars":{"vikram_samvat":1968,"vikram_samvatsara":"Raktākṣī","saka_samvat":1833,"saka_samvatsara":"Virodhakṛt","bengali_samvat":1318,"malayalam_era":1087,"nanakshahi_year":442,"lunar_month":"Phālguna","lunar_month_paksha_full":"Phālguna Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Phālguna","lunar_month_amanta":"Māgha","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Kumbha (Māsi)","ritu":"Śiśira (Winter)","display_summary":"Phālguna Kṛṣṇa Pañcamī · Vikram 1968 Raktākṣī · Śaka 1833 Virodhakṛt"},"festivals":[],"todays_walk":{"walk":{"id":"shani-walk","name":"Śani Walk","name_sanskrit":"शनि यात्रा","type":"graha","description":"Tapas + endurance + BG 17.14-19.","step_count":7,"url":"/walk/shani-walk"},"reason":"Śanivāra (Saturday) — 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 18, 1911 CE · Ṛṣikeśa · Vidhyamitra","description":"February 18, 1911 CE for Ṛṣikeśa: Kṛṣṇa Pañcamī, sūryodaya 06:56, sūryāsta 18:07.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/1911-02-18","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/1911-02-18","sa":"https://sa.vidhyamitra.com/city/rishikesh/1911-02-18","hi":"https://hi.vidhyamitra.com/city/rishikesh/1911-02-18","x-default":"https://vidhyamitra.com/city/rishikesh/1911-02-18"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-01T15:33:07.459Z","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":"2026-06-01T15:33:07.459Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-01T15:33:07.459Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}