{"id":"vidhyamitra:city-day:rishikesh:1864-02-17:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/1864-02-17","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1864-02-17","date_display":"February 17, 1864 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":1864,"month":2,"day":17,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2401918.770833,"kali_year":4965,"ahargana":1813453.2708,"sun":{"sidereal_longitude":306.1504,"rashi":11,"rashi_name":"Kumbha"},"moon":{"sidereal_longitude":61.6006,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":10,"name":"Daśamī","paksha":"Śukla","full_name":"Śukla Daśamī","elongation_degrees":115.4502,"elapsed_within_tithi_degrees":7.4502},"nakshatra":{"number":5,"name":"Mṛgaśīrṣā","pada":3,"moon_longitude":61.6006,"elapsed_within_degrees":8.2673},"yoga":{"number":1,"name":"Viṣkambha","sum_longitude":7.7511},"karana":{"half_tithi_index":19,"name":"Gara"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"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":1864,"month":2,"day":17,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2401918.770833,"ahargana":1813453.2708,"kali_year":4965,"ayanamsa_lahiri":21.955,"grahas":{"sun":{"sidereal_longitude":305.720497,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":4},"retrograde":false},"moon":{"sidereal_longitude":63.828097000000014,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":4},"retrograde":false,"latitude":-2.047},"mars":{"sidereal_longitude":264.545797,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":281.15959699999996,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":216.80599699999993,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":2},"retrograde":false},"venus":{"sidereal_longitude":269.71359699999994,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":176.793097,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":14,"name":"Citrā","pada":2},"retrograde":true},"rahu":{"sidereal_longitude":214.5188,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":34.5188,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":3},"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":1864,"month":2,"day":17,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2401918.770833,"kali_year":4965,"ahargana":1813453.2708,"sun":{"sidereal_longitude":306.1504,"rashi":11,"rashi_name":"Kumbha"},"moon":{"sidereal_longitude":61.6006,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":10,"name":"Daśamī","paksha":"Śukla","full_name":"Śukla Daśamī","elongation_degrees":115.4502,"elapsed_within_tithi_degrees":7.4502},"nakshatra":{"number":5,"name":"Mṛgaśīrṣā","pada":3,"moon_longitude":61.6006,"elapsed_within_degrees":8.2673},"yoga":{"number":1,"name":"Viṣkambha","sum_longitude":7.7511},"karana":{"half_tithi_index":19,"name":"Gara"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-2.047,"elongation":115.45},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-2.047,"opposition_distance":64.55}},"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":"18:06","solarNoonLocal":"12:31","dayLengthHours":11.166359519283361,"dayLengthDisplay":"11 Hours 09 Mins 59 Secs","nightLengthDisplay":"12 Hours 50 Mins 01 Secs","moonriseLocal":"13:23","moonsetLocal":"03:25","rahuKala":{"name":"Rāhu Kāla","start":"12:31","end":"13:55","startHours":12.523702805855603,"endHours":13.919497745766023,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"08:20","end":"09:44","startHours":8.336317986124342,"endHours":9.732112926034763,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"11:08","end":"12:31","startHours":11.127907865945183,"endHours":12.523702805855603,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:33","end":"09:55","startHours":9.546006934046705,"endHours":9.918218918022818,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:24","end":"07:42","startHours":7.405788026184061,"endHours":7.703557613364951,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:09","end":"12:54","startHours":12.151490821879491,"endHours":12.895914789831714,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:27","end":"06:12","startHours":5.451675110309473,"endHours":6.196099078261697,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:01","end":"06:56","startHours":6.009993086273641,"endHours":6.940523046213921,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:23","end":"15:08","startHours":14.384762725736163,"endHours":15.129186693688387,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:54","end":"18:18","startHours":17.906882565497284,"endHours":18.306882565497283,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:06","end":"18:34","startHours":18.106882565497283,"endHours":18.572147545467423,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:51","end":"19:36","startHours":17.856882565497283,"endHours":19.606882565497283,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:09","end":"00:54","startHours":24.15149082187949,"endHours":24.895914789831714,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Labha","start":"06:56","end":"08:20","startHours":6.940523046213921,"endHours":8.336317986124342,"quality":"auspicious"},{"name":"Amṛta","start":"08:20","end":"09:44","startHours":8.336317986124342,"endHours":9.732112926034763,"quality":"auspicious"},{"name":"Kāla","start":"09:44","end":"11:08","startHours":9.732112926034763,"endHours":11.127907865945183,"quality":"inauspicious"},{"name":"Śubha","start":"11:08","end":"12:31","startHours":11.127907865945183,"endHours":12.523702805855603,"quality":"auspicious"},{"name":"Roga","start":"12:31","end":"13:55","startHours":12.523702805855603,"endHours":13.919497745766023,"quality":"inauspicious"},{"name":"Udveg","start":"13:55","end":"15:19","startHours":13.919497745766023,"endHours":15.315292685676443,"quality":"inauspicious"},{"name":"Chala","start":"15:19","end":"16:43","startHours":15.315292685676443,"endHours":16.711087625586863,"quality":"neutral"},{"name":"Labha","start":"16:43","end":"18:06","startHours":16.711087625586863,"endHours":18.106882565497283,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Udveg","start":"18:06","end":"19:43","startHours":18.106882565497283,"endHours":19.711087625586863,"quality":"inauspicious"},{"name":"Chala","start":"19:43","end":"21:19","startHours":19.711087625586863,"endHours":21.315292685676443,"quality":"neutral"},{"name":"Labha","start":"21:19","end":"22:55","startHours":21.315292685676443,"endHours":22.919497745766023,"quality":"auspicious"},{"name":"Amṛta","start":"22:55","end":"00:31","startHours":22.919497745766023,"endHours":24.523702805855603,"quality":"auspicious"},{"name":"Kāla","start":"00:31","end":"02:08","startHours":24.523702805855603,"endHours":26.127907865945183,"quality":"inauspicious"},{"name":"Śubha","start":"02:08","end":"03:44","startHours":26.127907865945183,"endHours":27.732112926034763,"quality":"auspicious"},{"name":"Roga","start":"03:44","end":"05:20","startHours":27.732112926034763,"endHours":29.336317986124342,"quality":"inauspicious"},{"name":"Udveg","start":"05:20","end":"06:56","startHours":29.336317986124342,"endHours":30.940523046213922,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"06:56","end":"07:56","startHours":6.940523046213921,"endHours":7.940523046213921,"planetary_lord":"Mercury"},{"name":"Hora 2","start":"07:56","end":"08:56","startHours":7.940523046213921,"endHours":8.940523046213922,"planetary_lord":"Venus"},{"name":"Hora 3","start":"08:56","end":"09:56","startHours":8.940523046213922,"endHours":9.940523046213922,"planetary_lord":"Sun"},{"name":"Hora 4","start":"09:56","end":"10:56","startHours":9.940523046213922,"endHours":10.940523046213922,"planetary_lord":"Mars"},{"name":"Hora 5","start":"10:56","end":"11:56","startHours":10.940523046213922,"endHours":11.940523046213922,"planetary_lord":"Jupiter"},{"name":"Hora 6","start":"11:56","end":"12:56","startHours":11.940523046213922,"endHours":12.940523046213922,"planetary_lord":"Saturn"},{"name":"Hora 7","start":"12:56","end":"13:56","startHours":12.940523046213922,"endHours":13.940523046213922,"planetary_lord":"Moon"},{"name":"Hora 8","start":"13:56","end":"14:56","startHours":13.940523046213922,"endHours":14.940523046213922,"planetary_lord":"Mercury"},{"name":"Hora 9","start":"14:56","end":"15:56","startHours":14.940523046213922,"endHours":15.940523046213922,"planetary_lord":"Venus"},{"name":"Hora 10","start":"15:56","end":"16:56","startHours":15.940523046213922,"endHours":16.940523046213922,"planetary_lord":"Sun"},{"name":"Hora 11","start":"16:56","end":"17:56","startHours":16.940523046213922,"endHours":17.940523046213922,"planetary_lord":"Mars"},{"name":"Hora 12","start":"17:56","end":"18:56","startHours":17.940523046213922,"endHours":18.940523046213922,"planetary_lord":"Jupiter"},{"name":"Hora 13","start":"18:56","end":"19:56","startHours":18.940523046213922,"endHours":19.940523046213922,"planetary_lord":"Saturn"},{"name":"Hora 14","start":"19:56","end":"20:56","startHours":19.940523046213922,"endHours":20.940523046213922,"planetary_lord":"Moon"},{"name":"Hora 15","start":"20:56","end":"21:56","startHours":20.940523046213922,"endHours":21.940523046213922,"planetary_lord":"Mercury"},{"name":"Hora 16","start":"21:56","end":"22:56","startHours":21.940523046213922,"endHours":22.940523046213922,"planetary_lord":"Venus"},{"name":"Hora 17","start":"22:56","end":"23:56","startHours":22.940523046213922,"endHours":23.940523046213922,"planetary_lord":"Sun"},{"name":"Hora 18","start":"23:56","end":"00:56","startHours":23.940523046213922,"endHours":24.940523046213922,"planetary_lord":"Mars"},{"name":"Hora 19","start":"00:56","end":"01:56","startHours":24.940523046213922,"endHours":25.940523046213922,"planetary_lord":"Jupiter"},{"name":"Hora 20","start":"01:56","end":"02:56","startHours":25.940523046213922,"endHours":26.940523046213922,"planetary_lord":"Saturn"},{"name":"Hora 21","start":"02:56","end":"03:56","startHours":26.940523046213922,"endHours":27.940523046213922,"planetary_lord":"Moon"},{"name":"Hora 22","start":"03:56","end":"04:56","startHours":27.940523046213922,"endHours":28.940523046213922,"planetary_lord":"Mercury"},{"name":"Hora 23","start":"04:56","end":"05:56","startHours":28.940523046213922,"endHours":29.940523046213922,"planetary_lord":"Venus"},{"name":"Hora 24","start":"05:56","end":"06:56","startHours":29.940523046213922,"endHours":30.940523046213922,"planetary_lord":"Sun"}],"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","Mithuna","Siṃha","Vṛścika","Dhanu","Mīna"],"unfavorable_rashis":["Vṛṣabha","Karka","Kanyā","Tulā","Makara","Kumbha"]},"dishaShool":"North (Uttara)","chandraVasa":"South","rahuVasa":"South-West","anandadiYoga":{"name":"Mṛtyu","quality":"Inauspicious"},"tropicalRitu":"Śiśira (Winter)","vedicRitu":"Śiśira (Winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-12.279044744421595,"eotMinutes":-14.492568351336082,"ayanamsa":21.955}},"calendars":{"vikram_samvat":1921,"vikram_samvatsara":"Īśvara","saka_samvat":1786,"saka_samvatsara":"Raktākṣī","bengali_samvat":1271,"malayalam_era":1040,"nanakshahi_year":395,"lunar_month":"Māgha","lunar_month_paksha_full":"Māgha Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Māgha","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":"Māgha Śukla Daśamī · Vikram 1921 Īśvara · Śaka 1786 Raktākṣī"},"festivals":[],"todays_walk":{"walk":{"id":"budha-walk","name":"Budha Walk","name_sanskrit":"बुध यात्रा","type":"graha","description":"Discrimination + BG 2.41 (vyavasāyātmikā buddhi).","step_count":6,"url":"/walk/budha-walk"},"reason":"Budhavāra (Wednesday) — 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 17, 1864 CE · Ṛṣikeśa · Vidhyamitra","description":"February 17, 1864 CE for Ṛṣikeśa: Śukla Daśamī, sūryodaya 06:56, sūryāsta 18:06.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/1864-02-17","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/1864-02-17","sa":"https://sa.vidhyamitra.com/city/rishikesh/1864-02-17","hi":"https://hi.vidhyamitra.com/city/rishikesh/1864-02-17","x-default":"https://vidhyamitra.com/city/rishikesh/1864-02-17"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T06:24:20.816Z","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":"2026-05-31T06:24:20.816Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T06:24:20.816Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}