{"id":"vidhyamitra:city-day:rishikesh:1912-02-06:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/1912-02-06","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1912-02-06","date_display":"February 6, 1912 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":1912,"month":2,"day":6,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2419438.770833,"kali_year":5013,"ahargana":1830973.2708,"sun":{"sidereal_longitude":293.5268,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":153.7522,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":19,"name":"Caturthī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Caturthī","elongation_degrees":220.2254,"elapsed_within_tithi_degrees":4.2254},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":3,"moon_longitude":153.7522,"elapsed_within_degrees":7.0856},"yoga":{"number":7,"name":"Sukarma","sum_longitude":87.2791},"karana":{"half_tithi_index":36,"name":"Bava"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"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":1912,"month":2,"day":6,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2419438.770833,"ahargana":1830973.2708,"kali_year":5013,"ayanamsa_lahiri":22.6251,"grahas":{"sun":{"sidereal_longitude":293.2722040000001,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":4},"retrograde":false},"moon":{"sidereal_longitude":154.92450399999996,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":3},"retrograde":false,"latitude":2.4143},"mars":{"sidereal_longitude":40.758403999999985,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":277.048804,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":229.788404,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":1},"retrograde":false},"venus":{"sidereal_longitude":257.179804,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":22.04710399999999,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":3},"retrograde":false},"rahu":{"sidereal_longitude":6.2249,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":186.2249,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":4},"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":1912,"month":2,"day":6,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2419438.770833,"kali_year":5013,"ahargana":1830973.2708,"sun":{"sidereal_longitude":293.5268,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":153.7522,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":19,"name":"Caturthī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Caturthī","elongation_degrees":220.2254,"elapsed_within_tithi_degrees":4.2254},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":3,"moon_longitude":153.7522,"elapsed_within_degrees":7.0856},"yoga":{"number":7,"name":"Sukarma","sum_longitude":87.2791},"karana":{"half_tithi_index":36,"name":"Bava"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":2.414,"elongation":139.775},"lunar":{"type":"lunar","occurs":false,"moon_latitude":2.414,"opposition_distance":40.225}},"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":"07:06","sunsetLocal":"17:57","solarNoonLocal":"12:31","dayLengthHours":10.854325081386577,"dayLengthDisplay":"10 Hours 51 Mins 16 Secs","nightLengthDisplay":"13 Hours 08 Mins 44 Secs","moonriseLocal":"21:13","moonsetLocal":"09:23","rahuKala":{"name":"Rāhu Kāla","start":"15:14","end":"16:35","startHours":15.233996822304597,"endHours":16.59078745747792,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"09:48","end":"11:10","startHours":9.806834281611309,"endHours":11.16362491678463,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"12:31","end":"13:53","startHours":12.520415551957953,"endHours":13.877206187131275,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:38","end":"09:59","startHours":9.6259288635882,"endHours":9.987739699634417,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:33","end":"07:50","startHours":7.545516556322439,"endHours":7.834965225159414,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:10","end":"12:53","startHours":12.158604715911734,"endHours":12.882226388004172,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:39","end":"06:22","startHours":5.646009667079788,"endHours":6.369631339172226,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:11","end":"07:06","startHours":6.188725921149117,"endHours":7.093253011264665,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:20","end":"15:03","startHours":14.329469732189049,"endHours":15.053091404281487,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:45","end":"18:09","startHours":17.747578092651242,"endHours":18.14757809265124,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:57","end":"18:24","startHours":17.94757809265124,"endHours":18.399841637709017,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:42","end":"19:27","startHours":17.69757809265124,"endHours":19.44757809265124,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:10","end":"00:53","startHours":24.158604715911732,"endHours":24.882226388004174,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Roga","start":"07:06","end":"08:27","startHours":7.093253011264665,"endHours":8.450043646437987,"quality":"inauspicious"},{"name":"Udveg","start":"08:27","end":"09:48","startHours":8.450043646437987,"endHours":9.806834281611309,"quality":"inauspicious"},{"name":"Chala","start":"09:48","end":"11:10","startHours":9.806834281611309,"endHours":11.16362491678463,"quality":"neutral"},{"name":"Labha","start":"11:10","end":"12:31","startHours":11.16362491678463,"endHours":12.520415551957953,"quality":"auspicious"},{"name":"Amṛta","start":"12:31","end":"13:53","startHours":12.520415551957953,"endHours":13.877206187131275,"quality":"auspicious"},{"name":"Kāla","start":"13:53","end":"15:14","startHours":13.877206187131275,"endHours":15.233996822304597,"quality":"inauspicious"},{"name":"Śubha","start":"15:14","end":"16:35","startHours":15.233996822304597,"endHours":16.59078745747792,"quality":"auspicious"},{"name":"Roga","start":"16:35","end":"17:57","startHours":16.59078745747792,"endHours":17.94757809265124,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Kāla","start":"17:57","end":"19:35","startHours":17.94757809265124,"endHours":19.59078745747792,"quality":"inauspicious"},{"name":"Śubha","start":"19:35","end":"21:14","startHours":19.59078745747792,"endHours":21.233996822304597,"quality":"auspicious"},{"name":"Roga","start":"21:14","end":"22:53","startHours":21.233996822304597,"endHours":22.877206187131275,"quality":"inauspicious"},{"name":"Udveg","start":"22:53","end":"00:31","startHours":22.877206187131275,"endHours":24.520415551957953,"quality":"inauspicious"},{"name":"Chala","start":"00:31","end":"02:10","startHours":24.520415551957953,"endHours":26.16362491678463,"quality":"neutral"},{"name":"Labha","start":"02:10","end":"03:48","startHours":26.16362491678463,"endHours":27.80683428161131,"quality":"auspicious"},{"name":"Amṛta","start":"03:48","end":"05:27","startHours":27.80683428161131,"endHours":29.450043646437987,"quality":"auspicious"},{"name":"Kāla","start":"05:27","end":"07:06","startHours":29.450043646437987,"endHours":31.093253011264665,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"07:06","end":"08:06","startHours":7.093253011264665,"endHours":8.093253011264665,"planetary_lord":"Mars"},{"name":"Hora 2","start":"08:06","end":"09:06","startHours":8.093253011264665,"endHours":9.093253011264665,"planetary_lord":"Jupiter"},{"name":"Hora 3","start":"09:06","end":"10:06","startHours":9.093253011264665,"endHours":10.093253011264665,"planetary_lord":"Saturn"},{"name":"Hora 4","start":"10:06","end":"11:06","startHours":10.093253011264665,"endHours":11.093253011264665,"planetary_lord":"Moon"},{"name":"Hora 5","start":"11:06","end":"12:06","startHours":11.093253011264665,"endHours":12.093253011264665,"planetary_lord":"Mercury"},{"name":"Hora 6","start":"12:06","end":"13:06","startHours":12.093253011264665,"endHours":13.093253011264665,"planetary_lord":"Venus"},{"name":"Hora 7","start":"13:06","end":"14:06","startHours":13.093253011264665,"endHours":14.093253011264665,"planetary_lord":"Sun"},{"name":"Hora 8","start":"14:06","end":"15:06","startHours":14.093253011264665,"endHours":15.093253011264665,"planetary_lord":"Mars"},{"name":"Hora 9","start":"15:06","end":"16:06","startHours":15.093253011264665,"endHours":16.093253011264665,"planetary_lord":"Jupiter"},{"name":"Hora 10","start":"16:06","end":"17:06","startHours":16.093253011264665,"endHours":17.093253011264665,"planetary_lord":"Saturn"},{"name":"Hora 11","start":"17:06","end":"18:06","startHours":17.093253011264665,"endHours":18.093253011264665,"planetary_lord":"Moon"},{"name":"Hora 12","start":"18:06","end":"19:06","startHours":18.093253011264665,"endHours":19.093253011264665,"planetary_lord":"Mercury"},{"name":"Hora 13","start":"19:06","end":"20:06","startHours":19.093253011264665,"endHours":20.093253011264665,"planetary_lord":"Venus"},{"name":"Hora 14","start":"20:06","end":"21:06","startHours":20.093253011264665,"endHours":21.093253011264665,"planetary_lord":"Sun"},{"name":"Hora 15","start":"21:06","end":"22:06","startHours":21.093253011264665,"endHours":22.093253011264665,"planetary_lord":"Mars"},{"name":"Hora 16","start":"22:06","end":"23:06","startHours":22.093253011264665,"endHours":23.093253011264665,"planetary_lord":"Jupiter"},{"name":"Hora 17","start":"23:06","end":"00:06","startHours":23.093253011264665,"endHours":24.093253011264665,"planetary_lord":"Saturn"},{"name":"Hora 18","start":"00:06","end":"01:06","startHours":24.093253011264665,"endHours":25.093253011264665,"planetary_lord":"Moon"},{"name":"Hora 19","start":"01:06","end":"02:06","startHours":25.093253011264665,"endHours":26.093253011264665,"planetary_lord":"Mercury"},{"name":"Hora 20","start":"02:06","end":"03:06","startHours":26.093253011264665,"endHours":27.093253011264665,"planetary_lord":"Venus"},{"name":"Hora 21","start":"03:06","end":"04:06","startHours":27.093253011264665,"endHours":28.093253011264665,"planetary_lord":"Sun"},{"name":"Hora 22","start":"04:06","end":"05:06","startHours":28.093253011264665,"endHours":29.093253011264665,"planetary_lord":"Mars"},{"name":"Hora 23","start":"05:06","end":"06:06","startHours":29.093253011264665,"endHours":30.093253011264665,"planetary_lord":"Jupiter"},{"name":"Hora 24","start":"06:06","end":"07:06","startHours":30.093253011264665,"endHours":31.093253011264665,"planetary_lord":"Saturn"}],"taraBala":{"favorable_nakshatras":["Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Hasta","Citrā","Svātī","Viśākhā","Anurādhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Mithuna","Karka","Kanyā","Vṛścika","Kumbha","Mīna"],"unfavorable_rashis":["Meṣa","Vṛṣabha","Siṃha","Tulā","Dhanu","Makara"]},"dishaShool":"North (Uttara)","chandraVasa":"North-West","rahuVasa":"North","anandadiYoga":{"name":"Śubha","quality":"Auspicious"},"tropicalRitu":"Śiśira (Winter) (tropical)","vedicRitu":"Hemanta (Pre-winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-16.069343891965026,"eotMinutes":-14.295333117477217,"ayanamsa":22.6251}},"calendars":{"vikram_samvat":1969,"vikram_samvatsara":"Krodhana","saka_samvat":1834,"saka_samvatsara":"Paridhāvi","bengali_samvat":1319,"malayalam_era":1088,"nanakshahi_year":443,"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":"Makara (Tai)","ritu":"Śiśira (Winter)","display_summary":"Phālguna Kṛṣṇa Caturthī · Vikram 1969 Krodhana · Śaka 1834 Paridhāvi"},"festivals":[{"id":"angarika-chaturthi","name":"Aṅgāraka Caturthī (Tuesday Caturthī)","name_sanskrit":"अङ्गारक चतुर्थी","tradition":"Pan-Hindu","associated_deity":"Gaṇeśa + Maṅgala","significance":"Tuesday-Caturthī (rare); supremely auspicious for Maṅgala-doṣa-nivāraṇa.","vrata":true,"detection":{"any_of":[{"tithi_number":4,"vara_name":"Maṅgalavāra (Tuesday)"},{"tithi_number":19,"vara_name":"Maṅgalavāra (Tuesday)"}]},"precedence":3},{"id":"sankashti-chaturthi","name":"Saṅkaṣṭī Caturthī","name_sanskrit":"सङ्कष्टी चतुर्थी","tradition":"Pan-Hindu","associated_deity":"Gaṇeśa","significance":"Monthly Gaṇeśa vrata.","vrata":true,"detection":{"tithi_number":19,"tithi_paksha":"Kṛṣṇa"},"precedence":6}],"todays_walk":{"walk":{"id":"mangala-walk","name":"Maṅgala Walk","name_sanskrit":"मङ्गल यात्रा","type":"graha","description":"Right action + BG 2.31-38 (kṣatriya-dharma).","step_count":7,"url":"/walk/mangala-walk"},"reason":"Maṅgalavāra (Tuesday) — 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 6, 1912 CE · Ṛṣikeśa · Vidhyamitra","description":"February 6, 1912 CE for Ṛṣikeśa: Kṛṣṇa Caturthī, sūryodaya 07:06, sūryāsta 17:57.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/1912-02-06","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/1912-02-06","sa":"https://sa.vidhyamitra.com/city/rishikesh/1912-02-06","hi":"https://hi.vidhyamitra.com/city/rishikesh/1912-02-06","x-default":"https://vidhyamitra.com/city/rishikesh/1912-02-06"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T03:47:07.912Z","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":"2026-05-31T03:47:07.912Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T03:47:07.912Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}