{"id":"vidhyamitra:city-day:ayodhya:1679-02-20:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/ayodhya/1679-02-20","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1679-02-20","date_display":"February 20, 1679 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":1679,"month":2,"day":20,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2334352.770833,"kali_year":4780,"ahargana":1745887.2708,"sun":{"sidereal_longitude":313.0958,"rashi":11,"rashi_name":"Kumbha"},"moon":{"sidereal_longitude":69.4377,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":10,"name":"Daśamī","paksha":"Śukla","full_name":"Śukla Daśamī","elongation_degrees":116.3419,"elapsed_within_tithi_degrees":8.3419},"nakshatra":{"number":6,"name":"Ārdrā","pada":1,"moon_longitude":69.4377,"elapsed_within_degrees":2.771},"yoga":{"number":2,"name":"Prīti","sum_longitude":22.5335},"karana":{"half_tithi_index":19,"name":"Gara"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"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":1679,"month":2,"day":20,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2334352.770833,"ahargana":1745887.2708,"kali_year":4780,"ayanamsa_lahiri":19.3708,"grahas":{"sun":{"sidereal_longitude":312.213115,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":2},"retrograde":false},"moon":{"sidereal_longitude":70.98681499999998,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":2},"retrograde":false,"latitude":-3.6825},"mars":{"sidereal_longitude":109.69381499999997,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":1},"retrograde":true},"mercury":{"sidereal_longitude":293.26181500000007,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":4},"retrograde":true},"jupiter":{"sidereal_longitude":350.654515,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":2},"retrograde":false},"venus":{"sidereal_longitude":320.04451500000005,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":61.718815000000006,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":3},"retrograde":false},"rahu":{"sidereal_longitude":194.4906,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":14.4906,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":1},"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":1679,"month":2,"day":20,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2334352.770833,"kali_year":4780,"ahargana":1745887.2708,"sun":{"sidereal_longitude":313.0958,"rashi":11,"rashi_name":"Kumbha"},"moon":{"sidereal_longitude":69.4377,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":10,"name":"Daśamī","paksha":"Śukla","full_name":"Śukla Daśamī","elongation_degrees":116.3419,"elapsed_within_tithi_degrees":8.3419},"nakshatra":{"number":6,"name":"Ārdrā","pada":1,"moon_longitude":69.4377,"elapsed_within_degrees":2.771},"yoga":{"number":2,"name":"Prīti","sum_longitude":22.5335},"karana":{"half_tithi_index":19,"name":"Gara"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-3.683,"elongation":116.342},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-3.683,"opposition_distance":63.658}},"eclipse_window_40days":[]},"city":{"slug":"ayodhya","name":"Ayodhyā","lat":26.799,"lon":82.204,"tz_offset_hours":5.5,"state":"Uttar Pradesh","country":"IN","tier":"tirtha"},"tier2":{"city":{"slug":"ayodhya","name":"Ayodhyā","lat":26.799,"lon":82.204,"tz_offset_hours":5.5,"state":"Uttar Pradesh","country":"IN","tier":"tirtha"},"sunriseLocal":"06:34","sunsetLocal":"17:57","solarNoonLocal":"12:15","dayLengthHours":11.382249550822788,"dayLengthDisplay":"11 Hours 22 Mins 56 Secs","nightLengthDisplay":"12 Hours 37 Mins 04 Secs","moonriseLocal":"13:17","moonsetLocal":"03:04","rahuKala":{"name":"Rāhu Kāla","start":"07:59","end":"09:25","startHours":7.989445502520159,"endHours":9.412226696373008,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"10:50","end":"12:15","startHours":10.835007890225855,"endHours":12.257789084078704,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"13:41","end":"15:06","startHours":13.680570277931553,"endHours":15.1033514717844,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:13","end":"09:36","startHours":9.222522537192628,"endHours":9.601930855553388,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:02","end":"07:21","startHours":7.040924706618259,"endHours":7.344451361306867,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:53","end":"12:38","startHours":11.878380765717944,"endHours":12.637197402439464,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:03","end":"05:48","startHours":5.049031035224271,"endHours":5.80784767194579,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:37","end":"06:34","startHours":5.6181435127654105,"endHours":6.56666430866731,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:09","end":"14:55","startHours":14.154830675882502,"endHours":14.913647312604022,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:45","end":"18:09","startHours":17.7489138594901,"endHours":18.148913859490097,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:57","end":"18:25","startHours":17.948913859490098,"endHours":18.423174257441048,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:42","end":"19:27","startHours":17.698913859490098,"endHours":19.448913859490098,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:53","end":"00:38","startHours":23.878380765717942,"endHours":24.63719740243946,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Amṛta","start":"06:34","end":"07:59","startHours":6.56666430866731,"endHours":7.989445502520159,"quality":"auspicious"},{"name":"Kāla","start":"07:59","end":"09:25","startHours":7.989445502520159,"endHours":9.412226696373008,"quality":"inauspicious"},{"name":"Śubha","start":"09:25","end":"10:50","startHours":9.412226696373008,"endHours":10.835007890225855,"quality":"auspicious"},{"name":"Roga","start":"10:50","end":"12:15","startHours":10.835007890225855,"endHours":12.257789084078704,"quality":"inauspicious"},{"name":"Udveg","start":"12:15","end":"13:41","startHours":12.257789084078704,"endHours":13.680570277931553,"quality":"inauspicious"},{"name":"Chala","start":"13:41","end":"15:06","startHours":13.680570277931553,"endHours":15.1033514717844,"quality":"neutral"},{"name":"Labha","start":"15:06","end":"16:32","startHours":15.1033514717844,"endHours":16.52613266563725,"quality":"auspicious"},{"name":"Amṛta","start":"16:32","end":"17:57","startHours":16.52613266563725,"endHours":17.948913859490098,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Chala","start":"17:57","end":"19:32","startHours":17.948913859490098,"endHours":19.52613266563725,"quality":"neutral"},{"name":"Labha","start":"19:32","end":"21:06","startHours":19.52613266563725,"endHours":21.1033514717844,"quality":"auspicious"},{"name":"Amṛta","start":"21:06","end":"22:41","startHours":21.1033514717844,"endHours":22.68057027793155,"quality":"auspicious"},{"name":"Kāla","start":"22:41","end":"00:15","startHours":22.68057027793155,"endHours":24.257789084078702,"quality":"inauspicious"},{"name":"Śubha","start":"00:15","end":"01:50","startHours":24.257789084078702,"endHours":25.835007890225853,"quality":"auspicious"},{"name":"Roga","start":"01:50","end":"03:25","startHours":25.835007890225853,"endHours":27.412226696373008,"quality":"inauspicious"},{"name":"Udveg","start":"03:25","end":"04:59","startHours":27.412226696373008,"endHours":28.98944550252016,"quality":"inauspicious"},{"name":"Chala","start":"04:59","end":"06:34","startHours":28.98944550252016,"endHours":30.56666430866731,"quality":"neutral"}],"horas":[{"name":"Hora 1","start":"06:34","end":"07:34","startHours":6.56666430866731,"endHours":7.56666430866731,"planetary_lord":"Moon"},{"name":"Hora 2","start":"07:34","end":"08:34","startHours":7.56666430866731,"endHours":8.56666430866731,"planetary_lord":"Mercury"},{"name":"Hora 3","start":"08:34","end":"09:34","startHours":8.56666430866731,"endHours":9.56666430866731,"planetary_lord":"Venus"},{"name":"Hora 4","start":"09:34","end":"10:34","startHours":9.56666430866731,"endHours":10.56666430866731,"planetary_lord":"Sun"},{"name":"Hora 5","start":"10:34","end":"11:34","startHours":10.56666430866731,"endHours":11.56666430866731,"planetary_lord":"Mars"},{"name":"Hora 6","start":"11:34","end":"12:34","startHours":11.56666430866731,"endHours":12.56666430866731,"planetary_lord":"Jupiter"},{"name":"Hora 7","start":"12:34","end":"13:34","startHours":12.56666430866731,"endHours":13.56666430866731,"planetary_lord":"Saturn"},{"name":"Hora 8","start":"13:34","end":"14:34","startHours":13.56666430866731,"endHours":14.56666430866731,"planetary_lord":"Moon"},{"name":"Hora 9","start":"14:34","end":"15:34","startHours":14.56666430866731,"endHours":15.56666430866731,"planetary_lord":"Mercury"},{"name":"Hora 10","start":"15:34","end":"16:34","startHours":15.56666430866731,"endHours":16.56666430866731,"planetary_lord":"Venus"},{"name":"Hora 11","start":"16:34","end":"17:34","startHours":16.56666430866731,"endHours":17.56666430866731,"planetary_lord":"Sun"},{"name":"Hora 12","start":"17:34","end":"18:34","startHours":17.56666430866731,"endHours":18.56666430866731,"planetary_lord":"Mars"},{"name":"Hora 13","start":"18:34","end":"19:34","startHours":18.56666430866731,"endHours":19.56666430866731,"planetary_lord":"Jupiter"},{"name":"Hora 14","start":"19:34","end":"20:34","startHours":19.56666430866731,"endHours":20.56666430866731,"planetary_lord":"Saturn"},{"name":"Hora 15","start":"20:34","end":"21:34","startHours":20.56666430866731,"endHours":21.56666430866731,"planetary_lord":"Moon"},{"name":"Hora 16","start":"21:34","end":"22:34","startHours":21.56666430866731,"endHours":22.56666430866731,"planetary_lord":"Mercury"},{"name":"Hora 17","start":"22:34","end":"23:34","startHours":22.56666430866731,"endHours":23.56666430866731,"planetary_lord":"Venus"},{"name":"Hora 18","start":"23:34","end":"00:34","startHours":23.56666430866731,"endHours":24.56666430866731,"planetary_lord":"Sun"},{"name":"Hora 19","start":"00:34","end":"01:34","startHours":24.56666430866731,"endHours":25.56666430866731,"planetary_lord":"Mars"},{"name":"Hora 20","start":"01:34","end":"02:34","startHours":25.56666430866731,"endHours":26.56666430866731,"planetary_lord":"Jupiter"},{"name":"Hora 21","start":"02:34","end":"03:34","startHours":26.56666430866731,"endHours":27.56666430866731,"planetary_lord":"Saturn"},{"name":"Hora 22","start":"03:34","end":"04:34","startHours":27.56666430866731,"endHours":28.56666430866731,"planetary_lord":"Moon"},{"name":"Hora 23","start":"04:34","end":"05:34","startHours":28.56666430866731,"endHours":29.56666430866731,"planetary_lord":"Mercury"},{"name":"Hora 24","start":"05:34","end":"06:34","startHours":29.56666430866731,"endHours":30.56666430866731,"planetary_lord":"Venus"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Punarvasu","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Uttara Phalgunī","Hasta","Citrā","Svātī","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj"],"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":"East (Pūrva)","chandraVasa":"South","rahuVasa":"North-East","anandadiYoga":{"name":"Mudgara","quality":"Inauspicious"},"tropicalRitu":"Śiśira (Winter) (tropical)","vedicRitu":"Śiśira (Winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-10.910150269202,"eotMinutes":-14.28334504472219,"ayanamsa":19.3708}},"calendars":{"vikram_samvat":1736,"vikram_samvatsara":"Aṅgirasa","saka_samvat":1601,"saka_samvatsara":"Siddhārthī","bengali_samvat":1086,"malayalam_era":855,"nanakshahi_year":210,"lunar_month":"Phālguna","lunar_month_paksha_full":"Phālguna Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Phālguna","lunar_month_amanta":"Phālguna","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 Śukla Daśamī · Vikram 1736 Aṅgirasa · Śaka 1601 Siddhārthī"},"festivals":[],"todays_walk":{"walk":{"id":"chandra-walk","name":"Candra Walk","name_sanskrit":"चन्द्र यात्रा","type":"graha","description":"Manas-control + BG 6.5-7.","step_count":5,"url":"/walk/chandra-walk"},"reason":"Somavāra (Monday) — its presiding graha's walk."},"cosmic_resonances":[]},"validity":{"eternal":false,"location_specific":"ayodhya"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate + Vidhyamitra Tier-2 layer"},"seo":{"title":"Pañchāṅga February 20, 1679 CE · Ayodhyā · Vidhyamitra","description":"February 20, 1679 CE for Ayodhyā: Śukla Daśamī, sūryodaya 06:34, sūryāsta 17:57.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/ayodhya/1679-02-20","hreflang_alternates":{"en":"https://vidhyamitra.com/city/ayodhya/1679-02-20","sa":"https://sa.vidhyamitra.com/city/ayodhya/1679-02-20","hi":"https://hi.vidhyamitra.com/city/ayodhya/1679-02-20","x-default":"https://vidhyamitra.com/city/ayodhya/1679-02-20"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-04T03:48:59.827Z","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":"2026-06-04T03:48:59.827Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-04T03:48:59.827Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}