{"id":"vidhyamitra:city-day:rishikesh:1879-02-12:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/1879-02-12","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1879-02-12","date_display":"February 12, 1879 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":1879,"month":2,"day":12,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2407392.770833,"kali_year":4980,"ahargana":1818927.2708,"sun":{"sidereal_longitude":301.1989,"rashi":11,"rashi_name":"Kumbha"},"moon":{"sidereal_longitude":185.8282,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":21,"name":"Ṣaṣṭhī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Ṣaṣṭhī","elongation_degrees":244.6294,"elapsed_within_tithi_degrees":4.6294},"nakshatra":{"number":14,"name":"Citrā","pada":4,"moon_longitude":185.8282,"elapsed_within_degrees":12.4949},"yoga":{"number":10,"name":"Gaṇḍa","sum_longitude":127.0271},"karana":{"half_tithi_index":40,"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":1879,"month":2,"day":12,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2407392.770833,"ahargana":1818927.2708,"kali_year":4980,"ayanamsa_lahiri":22.1643,"grahas":{"sun":{"sidereal_longitude":300.82565,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":3},"retrograde":false},"moon":{"sidereal_longitude":187.76345000000003,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":1},"retrograde":false,"latitude":-4.4487},"mars":{"sidereal_longitude":254.43015000000003,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":287.68575,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":299.6203499999999,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":2},"retrograde":false},"venus":{"sidereal_longitude":318.78655000000003,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":339.43365,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":2},"retrograde":false},"rahu":{"sidereal_longitude":284.4799,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":104.4799,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","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":1879,"month":2,"day":12,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2407392.770833,"kali_year":4980,"ahargana":1818927.2708,"sun":{"sidereal_longitude":301.1989,"rashi":11,"rashi_name":"Kumbha"},"moon":{"sidereal_longitude":185.8282,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":21,"name":"Ṣaṣṭhī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Ṣaṣṭhī","elongation_degrees":244.6294,"elapsed_within_tithi_degrees":4.6294},"nakshatra":{"number":14,"name":"Citrā","pada":4,"moon_longitude":185.8282,"elapsed_within_degrees":12.4949},"yoga":{"number":10,"name":"Gaṇḍa","sum_longitude":127.0271},"karana":{"half_tithi_index":40,"name":"Gara"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-4.449,"elongation":115.371},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-4.449,"opposition_distance":64.629}},"eclipse_window_40days":[{"offset_days":-5,"type":"lunar","occurs":true,"moon_latitude":-0.753,"opposition_distance":1.725}]},"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":"07:00","sunsetLocal":"18:03","solarNoonLocal":"12:32","dayLengthHours":11.038238549007358,"dayLengthDisplay":"11 Hours 02 Mins 18 Secs","nightLengthDisplay":"12 Hours 57 Mins 42 Secs","moonriseLocal":"23:23","moonsetLocal":"10:35","rahuKala":{"name":"Rāhu Kāla","start":"12:32","end":"13:54","startHours":12.525405534914839,"endHours":13.905185353540759,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"08:23","end":"09:46","startHours":8.38606607903708,"endHours":9.765845897663,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"11:09","end":"12:32","startHours":11.145625716288919,"endHours":12.525405534914839,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:35","end":"09:57","startHours":9.581875255179543,"endHours":9.949816540146456,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:28","end":"07:46","startHours":7.4662128666198,"endHours":7.76056589459333,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:09","end":"12:54","startHours":12.157464249947928,"endHours":12.893346819881753,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:32","end":"06:16","startHours":5.534521120543513,"endHours":6.270403690477337,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:05","end":"07:00","startHours":6.08643304799388,"endHours":7.00628626041116,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:22","end":"15:06","startHours":14.365111959749399,"endHours":15.100994529683224,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:51","end":"18:15","startHours":17.84452480941852,"endHours":18.244524809418518,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:03","end":"18:30","startHours":18.04452480941852,"endHours":18.50445141562716,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:48","end":"19:33","startHours":17.79452480941852,"endHours":19.54452480941852,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:09","end":"00:54","startHours":24.157464249947928,"endHours":24.89334681988175,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Labha","start":"07:00","end":"08:23","startHours":7.00628626041116,"endHours":8.38606607903708,"quality":"auspicious"},{"name":"Amṛta","start":"08:23","end":"09:46","startHours":8.38606607903708,"endHours":9.765845897663,"quality":"auspicious"},{"name":"Kāla","start":"09:46","end":"11:09","startHours":9.765845897663,"endHours":11.145625716288919,"quality":"inauspicious"},{"name":"Śubha","start":"11:09","end":"12:32","startHours":11.145625716288919,"endHours":12.525405534914839,"quality":"auspicious"},{"name":"Roga","start":"12:32","end":"13:54","startHours":12.525405534914839,"endHours":13.905185353540759,"quality":"inauspicious"},{"name":"Udveg","start":"13:54","end":"15:17","startHours":13.905185353540759,"endHours":15.284965172166679,"quality":"inauspicious"},{"name":"Chala","start":"15:17","end":"16:40","startHours":15.284965172166679,"endHours":16.6647449907926,"quality":"neutral"},{"name":"Labha","start":"16:40","end":"18:03","startHours":16.6647449907926,"endHours":18.04452480941852,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Udveg","start":"18:03","end":"19:40","startHours":18.04452480941852,"endHours":19.6647449907926,"quality":"inauspicious"},{"name":"Chala","start":"19:40","end":"21:17","startHours":19.6647449907926,"endHours":21.28496517216668,"quality":"neutral"},{"name":"Labha","start":"21:17","end":"22:54","startHours":21.28496517216668,"endHours":22.90518535354076,"quality":"auspicious"},{"name":"Amṛta","start":"22:54","end":"00:32","startHours":22.90518535354076,"endHours":24.52540553491484,"quality":"auspicious"},{"name":"Kāla","start":"00:32","end":"02:09","startHours":24.52540553491484,"endHours":26.14562571628892,"quality":"inauspicious"},{"name":"Śubha","start":"02:09","end":"03:46","startHours":26.14562571628892,"endHours":27.765845897663,"quality":"auspicious"},{"name":"Roga","start":"03:46","end":"05:23","startHours":27.765845897663,"endHours":29.38606607903708,"quality":"inauspicious"},{"name":"Udveg","start":"05:23","end":"07:00","startHours":29.38606607903708,"endHours":31.00628626041116,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"07:00","end":"08:00","startHours":7.00628626041116,"endHours":8.00628626041116,"planetary_lord":"Mercury"},{"name":"Hora 2","start":"08:00","end":"09:00","startHours":8.00628626041116,"endHours":9.00628626041116,"planetary_lord":"Venus"},{"name":"Hora 3","start":"09:00","end":"10:00","startHours":9.00628626041116,"endHours":10.00628626041116,"planetary_lord":"Sun"},{"name":"Hora 4","start":"10:00","end":"11:00","startHours":10.00628626041116,"endHours":11.00628626041116,"planetary_lord":"Mars"},{"name":"Hora 5","start":"11:00","end":"12:00","startHours":11.00628626041116,"endHours":12.00628626041116,"planetary_lord":"Jupiter"},{"name":"Hora 6","start":"12:00","end":"13:00","startHours":12.00628626041116,"endHours":13.00628626041116,"planetary_lord":"Saturn"},{"name":"Hora 7","start":"13:00","end":"14:00","startHours":13.00628626041116,"endHours":14.00628626041116,"planetary_lord":"Moon"},{"name":"Hora 8","start":"14:00","end":"15:00","startHours":14.00628626041116,"endHours":15.00628626041116,"planetary_lord":"Mercury"},{"name":"Hora 9","start":"15:00","end":"16:00","startHours":15.00628626041116,"endHours":16.00628626041116,"planetary_lord":"Venus"},{"name":"Hora 10","start":"16:00","end":"17:00","startHours":16.00628626041116,"endHours":17.00628626041116,"planetary_lord":"Sun"},{"name":"Hora 11","start":"17:00","end":"18:00","startHours":17.00628626041116,"endHours":18.00628626041116,"planetary_lord":"Mars"},{"name":"Hora 12","start":"18:00","end":"19:00","startHours":18.00628626041116,"endHours":19.00628626041116,"planetary_lord":"Jupiter"},{"name":"Hora 13","start":"19:00","end":"20:00","startHours":19.00628626041116,"endHours":20.00628626041116,"planetary_lord":"Saturn"},{"name":"Hora 14","start":"20:00","end":"21:00","startHours":20.00628626041116,"endHours":21.00628626041116,"planetary_lord":"Moon"},{"name":"Hora 15","start":"21:00","end":"22:00","startHours":21.00628626041116,"endHours":22.00628626041116,"planetary_lord":"Mercury"},{"name":"Hora 16","start":"22:00","end":"23:00","startHours":22.00628626041116,"endHours":23.00628626041116,"planetary_lord":"Venus"},{"name":"Hora 17","start":"23:00","end":"00:00","startHours":23.00628626041116,"endHours":24.00628626041116,"planetary_lord":"Sun"},{"name":"Hora 18","start":"00:00","end":"01:00","startHours":24.00628626041116,"endHours":25.00628626041116,"planetary_lord":"Mars"},{"name":"Hora 19","start":"01:00","end":"02:00","startHours":25.00628626041116,"endHours":26.00628626041116,"planetary_lord":"Jupiter"},{"name":"Hora 20","start":"02:00","end":"03:00","startHours":26.00628626041116,"endHours":27.00628626041116,"planetary_lord":"Saturn"},{"name":"Hora 21","start":"03:00","end":"04:00","startHours":27.00628626041116,"endHours":28.00628626041116,"planetary_lord":"Moon"},{"name":"Hora 22","start":"04:00","end":"05:00","startHours":28.00628626041116,"endHours":29.00628626041116,"planetary_lord":"Mercury"},{"name":"Hora 23","start":"05:00","end":"06:00","startHours":29.00628626041116,"endHours":30.00628626041116,"planetary_lord":"Venus"},{"name":"Hora 24","start":"06:00","end":"07:00","startHours":30.00628626041116,"endHours":31.00628626041116,"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","Karka","Siṃha","Tulā","Dhanu","Mīna"],"unfavorable_rashis":["Vṛṣabha","Mithuna","Kanyā","Vṛścika","Makara","Kumbha"]},"dishaShool":"North (Uttara)","chandraVasa":"North","rahuVasa":"South-West","anandadiYoga":{"name":"Cara","quality":"Auspicious"},"tropicalRitu":"Śiśira (Winter)","vedicRitu":"Śiśira (Winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-13.852138696751183,"eotMinutes":-14.594732094890398,"ayanamsa":22.1643}},"calendars":{"vikram_samvat":1936,"vikram_samvatsara":"Nandana","saka_samvat":1801,"saka_samvatsara":"Pramāthi","bengali_samvat":1286,"malayalam_era":1055,"nanakshahi_year":410,"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 Ṣaṣṭhī · Vikram 1936 Nandana · Śaka 1801 Pramāthi"},"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 12, 1879 CE · Ṛṣikeśa · Vidhyamitra","description":"February 12, 1879 CE for Ṛṣikeśa: Kṛṣṇa Ṣaṣṭhī, sūryodaya 07:00, sūryāsta 18:03.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/1879-02-12","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/1879-02-12","sa":"https://sa.vidhyamitra.com/city/rishikesh/1879-02-12","hi":"https://hi.vidhyamitra.com/city/rishikesh/1879-02-12","x-default":"https://vidhyamitra.com/city/rishikesh/1879-02-12"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T06:44:10.269Z","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":"2026-05-31T06:44:10.269Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T06:44:10.269Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}