{"id":"vidhyamitra:city-day:ayodhya:1688-02-20:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/ayodhya/1688-02-20","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1688-02-20","date_display":"February 20, 1688 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":1688,"month":2,"day":20,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2337639.770833,"kali_year":4789,"ahargana":1749174.2708,"sun":{"sidereal_longitude":312.764,"rashi":11,"rashi_name":"Kumbha"},"moon":{"sidereal_longitude":176.6875,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":19,"name":"Caturthī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Caturthī","elongation_degrees":223.9235,"elapsed_within_tithi_degrees":7.9235},"nakshatra":{"number":14,"name":"Citrā","pada":2,"moon_longitude":176.6875,"elapsed_within_degrees":3.3542},"yoga":{"number":10,"name":"Gaṇḍa","sum_longitude":129.4516},"karana":{"half_tithi_index":37,"name":"Bālava"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"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":1688,"month":2,"day":20,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2337639.770833,"ahargana":1749174.2708,"kali_year":4789,"ayanamsa_lahiri":19.4966,"grahas":{"sun":{"sidereal_longitude":311.90262800000005,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":2},"retrograde":false},"moon":{"sidereal_longitude":172.67932799999994,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":4},"retrograde":false,"latitude":1.803},"mars":{"sidereal_longitude":20.844227999999987,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":304.254728,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":272.96602800000005,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":2},"retrograde":false},"venus":{"sidereal_longitude":270.548628,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":189.34812799999997,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":1},"retrograde":true},"rahu":{"sidereal_longitude":20.3295,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":200.3295,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","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":1688,"month":2,"day":20,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2337639.770833,"kali_year":4789,"ahargana":1749174.2708,"sun":{"sidereal_longitude":312.764,"rashi":11,"rashi_name":"Kumbha"},"moon":{"sidereal_longitude":176.6875,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":19,"name":"Caturthī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Caturthī","elongation_degrees":223.9235,"elapsed_within_tithi_degrees":7.9235},"nakshatra":{"number":14,"name":"Citrā","pada":2,"moon_longitude":176.6875,"elapsed_within_degrees":3.3542},"yoga":{"number":10,"name":"Gaṇḍa","sum_longitude":129.4516},"karana":{"half_tithi_index":37,"name":"Bālava"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":1.803,"elongation":136.076},"lunar":{"type":"lunar","occurs":false,"moon_latitude":1.803,"opposition_distance":43.924}},"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":11.377669248506795,"dayLengthDisplay":"11 Hours 22 Mins 40 Secs","nightLengthDisplay":"12 Hours 37 Mins 20 Secs","moonriseLocal":"21:06","moonsetLocal":"08:51","rahuKala":{"name":"Rāhu Kāla","start":"10:50","end":"12:15","startHours":10.835580428015355,"endHours":12.257789084078702,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"15:06","end":"16:31","startHours":15.102206396205403,"endHours":16.52441505226875,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"07:59","end":"09:25","startHours":7.991163115888655,"endHours":9.413371771952004,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:13","end":"09:36","startHours":9.223743951143557,"endHours":9.602999592760451,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:03","end":"07:21","startHours":7.043024011846422,"endHours":7.346428525139936,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:53","end":"12:38","startHours":11.87853344246181,"endHours":12.637044725695597,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:03","end":"05:49","startHours":5.051931893357732,"endHours":5.810443176591519,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:37","end":"06:34","startHours":5.620815355783073,"endHours":6.568954459825306,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:09","end":"14:55","startHours":14.15406729216317,"endHours":14.912578575396957,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:45","end":"18:09","startHours":17.746623708332102,"endHours":18.1466237083321,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:57","end":"18:25","startHours":17.9466237083321,"endHours":18.420693260353218,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:42","end":"19:27","startHours":17.6966237083321,"endHours":19.4466237083321,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:53","end":"00:38","startHours":23.87853344246181,"endHours":24.637044725695596,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Chala","start":"06:34","end":"07:59","startHours":6.568954459825306,"endHours":7.991163115888655,"quality":"neutral"},{"name":"Labha","start":"07:59","end":"09:25","startHours":7.991163115888655,"endHours":9.413371771952004,"quality":"auspicious"},{"name":"Amṛta","start":"09:25","end":"10:50","startHours":9.413371771952004,"endHours":10.835580428015355,"quality":"auspicious"},{"name":"Kāla","start":"10:50","end":"12:15","startHours":10.835580428015355,"endHours":12.257789084078702,"quality":"inauspicious"},{"name":"Śubha","start":"12:15","end":"13:41","startHours":12.257789084078702,"endHours":13.679997740142053,"quality":"auspicious"},{"name":"Roga","start":"13:41","end":"15:06","startHours":13.679997740142053,"endHours":15.102206396205403,"quality":"inauspicious"},{"name":"Udveg","start":"15:06","end":"16:31","startHours":15.102206396205403,"endHours":16.52441505226875,"quality":"inauspicious"},{"name":"Chala","start":"16:31","end":"17:57","startHours":16.52441505226875,"endHours":17.9466237083321,"quality":"neutral"}],"nightChoghadiyas":[{"name":"Roga","start":"17:57","end":"19:31","startHours":17.9466237083321,"endHours":19.52441505226875,"quality":"inauspicious"},{"name":"Udveg","start":"19:31","end":"21:06","startHours":19.52441505226875,"endHours":21.102206396205403,"quality":"inauspicious"},{"name":"Chala","start":"21:06","end":"22:41","startHours":21.102206396205403,"endHours":22.679997740142053,"quality":"neutral"},{"name":"Labha","start":"22:41","end":"00:15","startHours":22.679997740142053,"endHours":24.257789084078702,"quality":"auspicious"},{"name":"Amṛta","start":"00:15","end":"01:50","startHours":24.257789084078702,"endHours":25.835580428015355,"quality":"auspicious"},{"name":"Kāla","start":"01:50","end":"03:25","startHours":25.835580428015355,"endHours":27.413371771952004,"quality":"inauspicious"},{"name":"Śubha","start":"03:25","end":"04:59","startHours":27.413371771952004,"endHours":28.991163115888654,"quality":"auspicious"},{"name":"Roga","start":"04:59","end":"06:34","startHours":28.991163115888654,"endHours":30.568954459825306,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"06:34","end":"07:34","startHours":6.568954459825306,"endHours":7.568954459825306,"planetary_lord":"Venus"},{"name":"Hora 2","start":"07:34","end":"08:34","startHours":7.568954459825306,"endHours":8.568954459825306,"planetary_lord":"Sun"},{"name":"Hora 3","start":"08:34","end":"09:34","startHours":8.568954459825306,"endHours":9.568954459825306,"planetary_lord":"Mars"},{"name":"Hora 4","start":"09:34","end":"10:34","startHours":9.568954459825306,"endHours":10.568954459825306,"planetary_lord":"Jupiter"},{"name":"Hora 5","start":"10:34","end":"11:34","startHours":10.568954459825306,"endHours":11.568954459825306,"planetary_lord":"Saturn"},{"name":"Hora 6","start":"11:34","end":"12:34","startHours":11.568954459825306,"endHours":12.568954459825306,"planetary_lord":"Moon"},{"name":"Hora 7","start":"12:34","end":"13:34","startHours":12.568954459825306,"endHours":13.568954459825306,"planetary_lord":"Mercury"},{"name":"Hora 8","start":"13:34","end":"14:34","startHours":13.568954459825306,"endHours":14.568954459825306,"planetary_lord":"Venus"},{"name":"Hora 9","start":"14:34","end":"15:34","startHours":14.568954459825306,"endHours":15.568954459825306,"planetary_lord":"Sun"},{"name":"Hora 10","start":"15:34","end":"16:34","startHours":15.568954459825306,"endHours":16.568954459825306,"planetary_lord":"Mars"},{"name":"Hora 11","start":"16:34","end":"17:34","startHours":16.568954459825306,"endHours":17.568954459825306,"planetary_lord":"Jupiter"},{"name":"Hora 12","start":"17:34","end":"18:34","startHours":17.568954459825306,"endHours":18.568954459825306,"planetary_lord":"Saturn"},{"name":"Hora 13","start":"18:34","end":"19:34","startHours":18.568954459825306,"endHours":19.568954459825306,"planetary_lord":"Moon"},{"name":"Hora 14","start":"19:34","end":"20:34","startHours":19.568954459825306,"endHours":20.568954459825306,"planetary_lord":"Mercury"},{"name":"Hora 15","start":"20:34","end":"21:34","startHours":20.568954459825306,"endHours":21.568954459825306,"planetary_lord":"Venus"},{"name":"Hora 16","start":"21:34","end":"22:34","startHours":21.568954459825306,"endHours":22.568954459825306,"planetary_lord":"Sun"},{"name":"Hora 17","start":"22:34","end":"23:34","startHours":22.568954459825306,"endHours":23.568954459825306,"planetary_lord":"Mars"},{"name":"Hora 18","start":"23:34","end":"00:34","startHours":23.568954459825306,"endHours":24.568954459825306,"planetary_lord":"Jupiter"},{"name":"Hora 19","start":"00:34","end":"01:34","startHours":24.568954459825306,"endHours":25.568954459825306,"planetary_lord":"Saturn"},{"name":"Hora 20","start":"01:34","end":"02:34","startHours":25.568954459825306,"endHours":26.568954459825306,"planetary_lord":"Moon"},{"name":"Hora 21","start":"02:34","end":"03:34","startHours":26.568954459825306,"endHours":27.568954459825306,"planetary_lord":"Mercury"},{"name":"Hora 22","start":"03:34","end":"04:34","startHours":27.568954459825306,"endHours":28.568954459825306,"planetary_lord":"Venus"},{"name":"Hora 23","start":"04:34","end":"05:34","startHours":28.568954459825306,"endHours":29.568954459825306,"planetary_lord":"Sun"},{"name":"Hora 24","start":"05:34","end":"06:34","startHours":29.568954459825306,"endHours":30.568954459825306,"planetary_lord":"Mars"}],"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":["Mithuna","Karka","Kanyā","Vṛścika","Kumbha","Mīna"],"unfavorable_rashis":["Meṣa","Vṛṣabha","Siṃha","Tulā","Dhanu","Makara"]},"dishaShool":"West (Paścim)","chandraVasa":"North-West","rahuVasa":"South-East","anandadiYoga":{"name":"Dhvānkṣa","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":-10.97589496324695,"eotMinutes":-14.28334504472219,"ayanamsa":19.4966}},"calendars":{"vikram_samvat":1745,"vikram_samvatsara":"Vṛṣa","saka_samvat":1610,"saka_samvatsara":"Vibhava","bengali_samvat":1095,"malayalam_era":864,"nanakshahi_year":219,"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 Caturthī · Vikram 1745 Vṛṣa · Śaka 1610 Vibhava"},"festivals":[{"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":"shukra-walk","name":"Śukra Walk","name_sanskrit":"शुक्र यात्रा","type":"graha","description":"Beauty + creativity in dharma + BG 10.36.","step_count":5,"url":"/walk/shukra-walk"},"reason":"Śukravāra (Friday) — 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, 1688 CE · Ayodhyā · Vidhyamitra","description":"February 20, 1688 CE for Ayodhyā: Kṛṣṇa Caturthī, sūryodaya 06:34, sūryāsta 17:57.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/ayodhya/1688-02-20","hreflang_alternates":{"en":"https://vidhyamitra.com/city/ayodhya/1688-02-20","sa":"https://sa.vidhyamitra.com/city/ayodhya/1688-02-20","hi":"https://hi.vidhyamitra.com/city/ayodhya/1688-02-20","x-default":"https://vidhyamitra.com/city/ayodhya/1688-02-20"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-03T03:03:04.065Z","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":"2026-06-03T03:03:04.065Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-03T03:03:04.065Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}