{"id":"vidhyamitra:city-day:rishikesh:1906-02-17:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/1906-02-17","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1906-02-17","date_display":"February 17, 1906 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":1906,"month":2,"day":17,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2417258.770833,"kali_year":5007,"ahargana":1828793.2708,"sun":{"sidereal_longitude":305.2712,"rashi":11,"rashi_name":"Kumbha"},"moon":{"sidereal_longitude":225.8722,"rashi":8,"rashi_name":"Vṛścika"},"tithi":{"number":24,"name":"Navamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Navamī","elongation_degrees":280.601,"elapsed_within_tithi_degrees":4.601},"nakshatra":{"number":17,"name":"Anurādhā","pada":4,"moon_longitude":225.8722,"elapsed_within_degrees":12.5388},"yoga":{"number":13,"name":"Vyāghāta","sum_longitude":171.1433},"karana":{"half_tithi_index":46,"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":1906,"month":2,"day":17,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2417258.770833,"ahargana":1828793.2708,"kali_year":5007,"ayanamsa_lahiri":22.5417,"grahas":{"sun":{"sidereal_longitude":304.9414959999999,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":4},"retrograde":false},"moon":{"sidereal_longitude":226.16029600000002,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":4},"retrograde":false,"latitude":4.3634},"mars":{"sidereal_longitude":347.844496,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":303.18919600000004,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":36.43659600000001,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":3},"retrograde":false},"venus":{"sidereal_longitude":306.90209600000003,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":313.1905959999999,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":2},"retrograde":false},"rahu":{"sidereal_longitude":121.7317,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":301.7317,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","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":1906,"month":2,"day":17,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2417258.770833,"kali_year":5007,"ahargana":1828793.2708,"sun":{"sidereal_longitude":305.2712,"rashi":11,"rashi_name":"Kumbha"},"moon":{"sidereal_longitude":225.8722,"rashi":8,"rashi_name":"Vṛścika"},"tithi":{"number":24,"name":"Navamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Navamī","elongation_degrees":280.601,"elapsed_within_tithi_degrees":4.601},"nakshatra":{"number":17,"name":"Anurādhā","pada":4,"moon_longitude":225.8722,"elapsed_within_degrees":12.5388},"yoga":{"number":13,"name":"Vyāghāta","sum_longitude":171.1433},"karana":{"half_tithi_index":46,"name":"Taitila"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":4.363,"elongation":79.399},"lunar":{"type":"lunar","occurs":false,"moon_latitude":4.363,"opposition_distance":100.601}},"eclipse_window_40days":[{"offset_days":6,"type":"solar","occurs":true,"moon_latitude":-0.637,"elongation":1.784}]},"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":"06:57","sunsetLocal":"18:06","solarNoonLocal":"12:31","dayLengthHours":11.161012505353426,"dayLengthDisplay":"11 Hours 09 Mins 40 Secs","nightLengthDisplay":"12 Hours 50 Mins 20 Secs","moonriseLocal":"02:07","moonsetLocal":"12:26","rahuKala":{"name":"Rāhu Kāla","start":"09:44","end":"11:08","startHours":9.733449679517246,"endHours":11.128576242686425,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"13:55","end":"15:19","startHours":13.918829369024781,"endHours":15.31395593219396,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"06:57","end":"08:20","startHours":6.943196553178891,"endHours":8.338323116348068,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:33","end":"09:55","startHours":9.547432804428023,"endHours":9.91946655460647,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:24","end":"07:42","startHours":7.40823874090195,"endHours":7.7058657410447085,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:09","end":"12:54","startHours":12.151669055677155,"endHours":12.89573655603405,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:27","end":"06:12","startHours":5.4550615524651,"endHours":6.199129052821996,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:01","end":"06:57","startHours":6.013112177732772,"endHours":6.943196553178891,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:23","end":"15:08","startHours":14.383871556747842,"endHours":15.127939057104737,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:54","end":"18:18","startHours":17.904209058532317,"endHours":18.304209058532315,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:06","end":"18:34","startHours":18.104209058532316,"endHours":18.569251246255376,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:51","end":"19:36","startHours":17.854209058532316,"endHours":19.604209058532316,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:09","end":"00:54","startHours":24.151669055677154,"endHours":24.895736556034052,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Kāla","start":"06:57","end":"08:20","startHours":6.943196553178891,"endHours":8.338323116348068,"quality":"inauspicious"},{"name":"Śubha","start":"08:20","end":"09:44","startHours":8.338323116348068,"endHours":9.733449679517246,"quality":"auspicious"},{"name":"Roga","start":"09:44","end":"11:08","startHours":9.733449679517246,"endHours":11.128576242686425,"quality":"inauspicious"},{"name":"Udveg","start":"11:08","end":"12:31","startHours":11.128576242686425,"endHours":12.523702805855603,"quality":"inauspicious"},{"name":"Chala","start":"12:31","end":"13:55","startHours":12.523702805855603,"endHours":13.918829369024781,"quality":"neutral"},{"name":"Labha","start":"13:55","end":"15:19","startHours":13.918829369024781,"endHours":15.31395593219396,"quality":"auspicious"},{"name":"Amṛta","start":"15:19","end":"16:43","startHours":15.31395593219396,"endHours":16.709082495363138,"quality":"auspicious"},{"name":"Kāla","start":"16:43","end":"18:06","startHours":16.709082495363138,"endHours":18.104209058532316,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Labha","start":"18:06","end":"19:43","startHours":18.104209058532316,"endHours":19.709082495363138,"quality":"auspicious"},{"name":"Amṛta","start":"19:43","end":"21:19","startHours":19.709082495363138,"endHours":21.31395593219396,"quality":"auspicious"},{"name":"Kāla","start":"21:19","end":"22:55","startHours":21.31395593219396,"endHours":22.91882936902478,"quality":"inauspicious"},{"name":"Śubha","start":"22:55","end":"00:31","startHours":22.91882936902478,"endHours":24.523702805855603,"quality":"auspicious"},{"name":"Roga","start":"00:31","end":"02:08","startHours":24.523702805855603,"endHours":26.128576242686425,"quality":"inauspicious"},{"name":"Udveg","start":"02:08","end":"03:44","startHours":26.128576242686425,"endHours":27.733449679517246,"quality":"inauspicious"},{"name":"Chala","start":"03:44","end":"05:20","startHours":27.733449679517246,"endHours":29.338323116348068,"quality":"neutral"},{"name":"Labha","start":"05:20","end":"06:57","startHours":29.338323116348068,"endHours":30.94319655317889,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:57","end":"07:57","startHours":6.943196553178891,"endHours":7.943196553178891,"planetary_lord":"Saturn"},{"name":"Hora 2","start":"07:57","end":"08:57","startHours":7.943196553178891,"endHours":8.94319655317889,"planetary_lord":"Moon"},{"name":"Hora 3","start":"08:57","end":"09:57","startHours":8.94319655317889,"endHours":9.94319655317889,"planetary_lord":"Mercury"},{"name":"Hora 4","start":"09:57","end":"10:57","startHours":9.94319655317889,"endHours":10.94319655317889,"planetary_lord":"Venus"},{"name":"Hora 5","start":"10:57","end":"11:57","startHours":10.94319655317889,"endHours":11.94319655317889,"planetary_lord":"Sun"},{"name":"Hora 6","start":"11:57","end":"12:57","startHours":11.94319655317889,"endHours":12.94319655317889,"planetary_lord":"Mars"},{"name":"Hora 7","start":"12:57","end":"13:57","startHours":12.94319655317889,"endHours":13.94319655317889,"planetary_lord":"Jupiter"},{"name":"Hora 8","start":"13:57","end":"14:57","startHours":13.94319655317889,"endHours":14.94319655317889,"planetary_lord":"Saturn"},{"name":"Hora 9","start":"14:57","end":"15:57","startHours":14.94319655317889,"endHours":15.94319655317889,"planetary_lord":"Moon"},{"name":"Hora 10","start":"15:57","end":"16:57","startHours":15.94319655317889,"endHours":16.94319655317889,"planetary_lord":"Mercury"},{"name":"Hora 11","start":"16:57","end":"17:57","startHours":16.94319655317889,"endHours":17.94319655317889,"planetary_lord":"Venus"},{"name":"Hora 12","start":"17:57","end":"18:57","startHours":17.94319655317889,"endHours":18.94319655317889,"planetary_lord":"Sun"},{"name":"Hora 13","start":"18:57","end":"19:57","startHours":18.94319655317889,"endHours":19.94319655317889,"planetary_lord":"Mars"},{"name":"Hora 14","start":"19:57","end":"20:57","startHours":19.94319655317889,"endHours":20.94319655317889,"planetary_lord":"Jupiter"},{"name":"Hora 15","start":"20:57","end":"21:57","startHours":20.94319655317889,"endHours":21.94319655317889,"planetary_lord":"Saturn"},{"name":"Hora 16","start":"21:57","end":"22:57","startHours":21.94319655317889,"endHours":22.94319655317889,"planetary_lord":"Moon"},{"name":"Hora 17","start":"22:57","end":"23:57","startHours":22.94319655317889,"endHours":23.94319655317889,"planetary_lord":"Mercury"},{"name":"Hora 18","start":"23:57","end":"00:57","startHours":23.94319655317889,"endHours":24.94319655317889,"planetary_lord":"Venus"},{"name":"Hora 19","start":"00:57","end":"01:57","startHours":24.94319655317889,"endHours":25.94319655317889,"planetary_lord":"Sun"},{"name":"Hora 20","start":"01:57","end":"02:57","startHours":25.94319655317889,"endHours":26.94319655317889,"planetary_lord":"Mars"},{"name":"Hora 21","start":"02:57","end":"03:57","startHours":26.94319655317889,"endHours":27.94319655317889,"planetary_lord":"Jupiter"},{"name":"Hora 22","start":"03:57","end":"04:57","startHours":27.94319655317889,"endHours":28.94319655317889,"planetary_lord":"Saturn"},{"name":"Hora 23","start":"04:57","end":"05:57","startHours":28.94319655317889,"endHours":29.94319655317889,"planetary_lord":"Moon"},{"name":"Hora 24","start":"05:57","end":"06:57","startHours":29.94319655317889,"endHours":30.94319655317889,"planetary_lord":"Mercury"}],"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":["Meṣa","Vṛṣabha","Siṃha","Kanyā","Vṛścika","Makara"],"unfavorable_rashis":["Mithuna","Karka","Tulā","Dhanu","Kumbha","Mīna"]},"dishaShool":"East (Pūrva)","chandraVasa":"North-East","rahuVasa":"East","anandadiYoga":{"name":"Mānasa","quality":"Auspicious"},"tropicalRitu":"Śiśira (Winter)","vedicRitu":"Śiśira (Winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-12.345127679970577,"eotMinutes":-14.492568351336082,"ayanamsa":22.5417}},"calendars":{"vikram_samvat":1963,"vikram_samvatsara":"Siddhārthī","saka_samvat":1828,"saka_samvatsara":"Parābhava","bengali_samvat":1313,"malayalam_era":1082,"nanakshahi_year":437,"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 Navamī · Vikram 1963 Siddhārthī · Śaka 1828 Parābhava"},"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 17, 1906 CE · Ṛṣikeśa · Vidhyamitra","description":"February 17, 1906 CE for Ṛṣikeśa: Kṛṣṇa Navamī, sūryodaya 06:57, sūryāsta 18:06.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/1906-02-17","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/1906-02-17","sa":"https://sa.vidhyamitra.com/city/rishikesh/1906-02-17","hi":"https://hi.vidhyamitra.com/city/rishikesh/1906-02-17","x-default":"https://vidhyamitra.com/city/rishikesh/1906-02-17"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-30T23:43:49.643Z","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":"2026-05-30T23:43:49.643Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-30T23:43:49.643Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}