{"id":"vidhyamitra:city-day:ayodhya:1686-07-31:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/ayodhya/1686-07-31","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1686-07-31","date_display":"July 31, 1686 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":1686,"month":7,"day":31,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2337070.770833,"kali_year":4788,"ahargana":1748605.2708,"sun":{"sidereal_longitude":108.7496,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":235.9156,"rashi":8,"rashi_name":"Vṛścika"},"tithi":{"number":11,"name":"Ekādaśī","paksha":"Śukla","full_name":"Śukla Ekādaśī","elongation_degrees":127.166,"elapsed_within_tithi_degrees":7.166},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":3,"moon_longitude":235.9156,"elapsed_within_degrees":9.249},"yoga":{"number":26,"name":"Indra","sum_longitude":344.6653},"karana":{"half_tithi_index":21,"name":"Viṣṭi"},"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":1686,"month":7,"day":31,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2337070.770833,"ahargana":1748605.2708,"kali_year":4788,"ayanamsa_lahiri":19.4748,"grahas":{"sun":{"sidereal_longitude":108.55626799999999,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":1},"retrograde":false},"moon":{"sidereal_longitude":232.59346800000003,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":2},"retrograde":false,"latitude":-0.426},"mars":{"sidereal_longitude":112.43806799999999,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":122.091768,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":208.78936799999997,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":3},"retrograde":false},"venus":{"sidereal_longitude":70.26356800000002,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":161.29536800000005,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":1},"retrograde":false},"rahu":{"sidereal_longitude":50.4779,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":230.4779,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":2},"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":1686,"month":7,"day":31,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2337070.770833,"kali_year":4788,"ahargana":1748605.2708,"sun":{"sidereal_longitude":108.7496,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":235.9156,"rashi":8,"rashi_name":"Vṛścika"},"tithi":{"number":11,"name":"Ekādaśī","paksha":"Śukla","full_name":"Śukla Ekādaśī","elongation_degrees":127.166,"elapsed_within_tithi_degrees":7.166},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":3,"moon_longitude":235.9156,"elapsed_within_degrees":9.249},"yoga":{"number":26,"name":"Indra","sum_longitude":344.6653},"karana":{"half_tithi_index":21,"name":"Viṣṭi"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-0.426,"elongation":127.166},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-0.426,"opposition_distance":52.834}},"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":"05:25","sunsetLocal":"18:50","solarNoonLocal":"12:07","dayLengthHours":13.412031617366049,"dayLengthDisplay":"13 Hours 24 Mins 43 Secs","nightLengthDisplay":"10 Hours 35 Mins 17 Secs","moonriseLocal":"15:08","moonsetLocal":"01:39","rahuKala":{"name":"Rāhu Kāla","start":"12:07","end":"13:48","startHours":12.120922908539182,"endHours":13.797426860709937,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"07:05","end":"08:46","startHours":7.0914110520269125,"endHours":8.767915004197668,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"10:27","end":"12:07","startHours":10.444418956368425,"endHours":12.120922908539182,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:33","end":"08:59","startHours":8.544381143908234,"endHours":8.991448864487102,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"05:58","end":"06:20","startHours":5.973741750579742,"endHours":6.331395927042837,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:40","end":"12:34","startHours":11.673855187960314,"endHours":12.56799062911805,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:38","end":"04:31","startHours":3.6266362175406837,"endHours":4.52077165869842,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:18","end":"05:25","startHours":4.297237798408986,"endHours":5.414907099856157,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:21","end":"15:15","startHours":14.356261511433523,"endHours":15.25039695259126,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:38","end":"19:02","startHours":18.626938717222206,"endHours":19.026938717222205,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:50","end":"19:23","startHours":18.826938717222205,"endHours":19.38577336794579,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:35","end":"20:20","startHours":18.576938717222205,"endHours":20.326938717222205,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:40","end":"00:34","startHours":23.673855187960314,"endHours":24.56799062911805,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Labha","start":"05:25","end":"07:05","startHours":5.414907099856157,"endHours":7.0914110520269125,"quality":"auspicious"},{"name":"Amṛta","start":"07:05","end":"08:46","startHours":7.0914110520269125,"endHours":8.767915004197668,"quality":"auspicious"},{"name":"Kāla","start":"08:46","end":"10:27","startHours":8.767915004197668,"endHours":10.444418956368425,"quality":"inauspicious"},{"name":"Śubha","start":"10:27","end":"12:07","startHours":10.444418956368425,"endHours":12.120922908539182,"quality":"auspicious"},{"name":"Roga","start":"12:07","end":"13:48","startHours":12.120922908539182,"endHours":13.797426860709937,"quality":"inauspicious"},{"name":"Udveg","start":"13:48","end":"15:28","startHours":13.797426860709937,"endHours":15.473930812880694,"quality":"inauspicious"},{"name":"Chala","start":"15:28","end":"17:09","startHours":15.473930812880694,"endHours":17.15043476505145,"quality":"neutral"},{"name":"Labha","start":"17:09","end":"18:50","startHours":17.15043476505145,"endHours":18.826938717222205,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Udveg","start":"18:50","end":"20:09","startHours":18.826938717222205,"endHours":20.15043476505145,"quality":"inauspicious"},{"name":"Chala","start":"20:09","end":"21:28","startHours":20.15043476505145,"endHours":21.473930812880692,"quality":"neutral"},{"name":"Labha","start":"21:28","end":"22:48","startHours":21.473930812880692,"endHours":22.797426860709937,"quality":"auspicious"},{"name":"Amṛta","start":"22:48","end":"00:07","startHours":22.797426860709937,"endHours":24.120922908539182,"quality":"auspicious"},{"name":"Kāla","start":"00:07","end":"01:27","startHours":24.120922908539182,"endHours":25.444418956368423,"quality":"inauspicious"},{"name":"Śubha","start":"01:27","end":"02:46","startHours":25.444418956368423,"endHours":26.76791500419767,"quality":"auspicious"},{"name":"Roga","start":"02:46","end":"04:05","startHours":26.76791500419767,"endHours":28.091411052026913,"quality":"inauspicious"},{"name":"Udveg","start":"04:05","end":"05:25","startHours":28.091411052026913,"endHours":29.41490709985616,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"05:25","end":"06:25","startHours":5.414907099856157,"endHours":6.414907099856157,"planetary_lord":"Mercury"},{"name":"Hora 2","start":"06:25","end":"07:25","startHours":6.414907099856157,"endHours":7.414907099856157,"planetary_lord":"Venus"},{"name":"Hora 3","start":"07:25","end":"08:25","startHours":7.414907099856157,"endHours":8.414907099856157,"planetary_lord":"Sun"},{"name":"Hora 4","start":"08:25","end":"09:25","startHours":8.414907099856157,"endHours":9.414907099856157,"planetary_lord":"Mars"},{"name":"Hora 5","start":"09:25","end":"10:25","startHours":9.414907099856157,"endHours":10.414907099856157,"planetary_lord":"Jupiter"},{"name":"Hora 6","start":"10:25","end":"11:25","startHours":10.414907099856157,"endHours":11.414907099856157,"planetary_lord":"Saturn"},{"name":"Hora 7","start":"11:25","end":"12:25","startHours":11.414907099856157,"endHours":12.414907099856157,"planetary_lord":"Moon"},{"name":"Hora 8","start":"12:25","end":"13:25","startHours":12.414907099856157,"endHours":13.414907099856157,"planetary_lord":"Mercury"},{"name":"Hora 9","start":"13:25","end":"14:25","startHours":13.414907099856157,"endHours":14.414907099856157,"planetary_lord":"Venus"},{"name":"Hora 10","start":"14:25","end":"15:25","startHours":14.414907099856157,"endHours":15.414907099856157,"planetary_lord":"Sun"},{"name":"Hora 11","start":"15:25","end":"16:25","startHours":15.414907099856157,"endHours":16.41490709985616,"planetary_lord":"Mars"},{"name":"Hora 12","start":"16:25","end":"17:25","startHours":16.41490709985616,"endHours":17.41490709985616,"planetary_lord":"Jupiter"},{"name":"Hora 13","start":"17:25","end":"18:25","startHours":17.41490709985616,"endHours":18.41490709985616,"planetary_lord":"Saturn"},{"name":"Hora 14","start":"18:25","end":"19:25","startHours":18.41490709985616,"endHours":19.41490709985616,"planetary_lord":"Moon"},{"name":"Hora 15","start":"19:25","end":"20:25","startHours":19.41490709985616,"endHours":20.41490709985616,"planetary_lord":"Mercury"},{"name":"Hora 16","start":"20:25","end":"21:25","startHours":20.41490709985616,"endHours":21.41490709985616,"planetary_lord":"Venus"},{"name":"Hora 17","start":"21:25","end":"22:25","startHours":21.41490709985616,"endHours":22.41490709985616,"planetary_lord":"Sun"},{"name":"Hora 18","start":"22:25","end":"23:25","startHours":22.41490709985616,"endHours":23.41490709985616,"planetary_lord":"Mars"},{"name":"Hora 19","start":"23:25","end":"00:25","startHours":23.41490709985616,"endHours":24.41490709985616,"planetary_lord":"Jupiter"},{"name":"Hora 20","start":"00:25","end":"01:25","startHours":24.41490709985616,"endHours":25.41490709985616,"planetary_lord":"Saturn"},{"name":"Hora 21","start":"01:25","end":"02:25","startHours":25.41490709985616,"endHours":26.41490709985616,"planetary_lord":"Moon"},{"name":"Hora 22","start":"02:25","end":"03:25","startHours":26.41490709985616,"endHours":27.41490709985616,"planetary_lord":"Mercury"},{"name":"Hora 23","start":"03:25","end":"04:25","startHours":27.41490709985616,"endHours":28.41490709985616,"planetary_lord":"Venus"},{"name":"Hora 24","start":"04:25","end":"05:25","startHours":28.41490709985616,"endHours":29.41490709985616,"planetary_lord":"Sun"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā"],"unfavorable_nakshatras":["Ārdrā","Punarvasu","Puṣya","Aśleṣā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"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":"North (Uttara)","chandraVasa":"North-East","rahuVasa":"South-West","anandadiYoga":{"name":"Kāladaṇḍa","quality":"Inauspicious"},"tropicalRitu":"Varṣā (Monsoon) (tropical)","vedicRitu":"Grīṣma (Summer)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":18.25728967966626,"eotMinutes":-6.071374512350812,"ayanamsa":19.4748}},"calendars":{"vikram_samvat":1743,"vikram_samvatsara":"Pramāthi","saka_samvat":1608,"saka_samvatsara":"Akṣaya","bengali_samvat":1093,"malayalam_era":862,"nanakshahi_year":217,"lunar_month":"Śrāvaṇa","lunar_month_paksha_full":"Śrāvaṇa Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Śrāvaṇa","lunar_month_amanta":"Śrāvaṇa","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Karkaṭa (Āḍi)","ritu":"Varṣā (Monsoon)","display_summary":"Śrāvaṇa Śukla Ekādaśī · Vikram 1743 Pramāthi · Śaka 1608 Akṣaya"},"festivals":[{"id":"pavitropana-ekadashi","name":"Pavitropanā Ekādaśī (Putradā)","name_sanskrit":"पवित्रोपना एकादशी","tradition":"Vaishnava","associated_deity":"Bhagavān Viṣṇu","significance":"Confers son; pavitra (sacred thread) ceremony for Viṣṇu.","vrata":true,"detection":{"tithi_number":11,"tithi_paksha":"Śukla","lunar_month":"Śrāvaṇa"},"precedence":4},{"id":"ekadashi","name":"Ekādaśī","name_sanskrit":"एकादशी","tradition":"Vaishnava","associated_deity":"Bhagavān Viṣṇu","significance":"Sacred to Bhagavān Viṣṇu; vrata for purification.","vrata":true,"detection":{"any_of":[{"tithi_number":11},{"tithi_number":26}]},"precedence":5}],"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":[{"historical_date":"-3137-10-20","event":"Karṇa-Vadha (Mahābhārata Day 17)","chart_id":"karna","shared_marker":"same Jyeṣṭhā","url":"/day/-3137-10-20","relevance":0.5}]},"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 July 31, 1686 CE · Ayodhyā · Vidhyamitra","description":"July 31, 1686 CE for Ayodhyā: Śukla Ekādaśī, sūryodaya 05:25, sūryāsta 18:50.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/ayodhya/1686-07-31","hreflang_alternates":{"en":"https://vidhyamitra.com/city/ayodhya/1686-07-31","sa":"https://sa.vidhyamitra.com/city/ayodhya/1686-07-31","hi":"https://hi.vidhyamitra.com/city/ayodhya/1686-07-31","x-default":"https://vidhyamitra.com/city/ayodhya/1686-07-31"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-03T03:22:38.992Z","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":"2026-06-03T03:22:38.992Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-03T03:22:38.992Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}