{"id":"vidhyamitra:city-day:ayodhya:1691-07-21:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/ayodhya/1691-07-21","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1691-07-21","date_display":"July 21, 1691 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":1691,"month":7,"day":21,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2338886.770833,"kali_year":4793,"ahargana":1750421.2708,"sun":{"sidereal_longitude":98.9647,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":42.0336,"rashi":2,"rashi_name":"Vṛṣabha"},"tithi":{"number":26,"name":"Ekādaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Ekādaśī","elongation_degrees":303.0688,"elapsed_within_tithi_degrees":3.0688},"nakshatra":{"number":4,"name":"Rohiṇī","pada":1,"moon_longitude":42.0336,"elapsed_within_degrees":2.0336},"yoga":{"number":11,"name":"Vṛddhi","sum_longitude":140.9983},"karana":{"half_tithi_index":50,"name":"Bava"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"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":1691,"month":7,"day":21,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2338886.770833,"ahargana":1750421.2708,"kali_year":4793,"ayanamsa_lahiri":19.5442,"grahas":{"sun":{"sidereal_longitude":98.723683,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":2},"retrograde":false},"moon":{"sidereal_longitude":39.101383,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":4},"retrograde":false,"latitude":4.4966},"mars":{"sidereal_longitude":28.523982999999987,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":83.37738300000001,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":27.315482999999972,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":1},"retrograde":false},"venus":{"sidereal_longitude":72.94108299999999,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":218.282783,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":2},"retrograde":true},"rahu":{"sidereal_longitude":314.2575,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":134.2575,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","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":1691,"month":7,"day":21,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2338886.770833,"kali_year":4793,"ahargana":1750421.2708,"sun":{"sidereal_longitude":98.9647,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":42.0336,"rashi":2,"rashi_name":"Vṛṣabha"},"tithi":{"number":26,"name":"Ekādaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Ekādaśī","elongation_degrees":303.0688,"elapsed_within_tithi_degrees":3.0688},"nakshatra":{"number":4,"name":"Rohiṇī","pada":1,"moon_longitude":42.0336,"elapsed_within_degrees":2.0336},"yoga":{"number":11,"name":"Vṛddhi","sum_longitude":140.9983},"karana":{"half_tithi_index":50,"name":"Bava"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":4.497,"elongation":56.931},"lunar":{"type":"lunar","occurs":false,"moon_latitude":4.497,"opposition_distance":123.069}},"eclipse_window_40days":[{"offset_days":19,"type":"lunar","occurs":true,"moon_latitude":-1.228,"opposition_distance":0.348}]},"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":"05:20","sunsetLocal":"18:55","solarNoonLocal":"12:07","dayLengthHours":13.587421023571217,"dayLengthDisplay":"13 Hours 35 Mins 15 Secs","nightLengthDisplay":"10 Hours 24 Mins 45 Secs","moonriseLocal":"01:24","moonsetLocal":"14:54","rahuKala":{"name":"Rāhu Kāla","start":"08:43","end":"10:25","startHours":8.723708134695263,"endHours":10.422135762641666,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"13:49","end":"15:31","startHours":13.818991018534469,"endHours":15.517418646480872,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"05:20","end":"07:02","startHours":5.326852878802459,"endHours":7.025280506748861,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:30","end":"08:57","startHours":8.497251117635743,"endHours":8.950165151754783,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"05:54","end":"06:15","startHours":5.89299542145126,"endHours":6.255326648746492,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:40","end":"12:34","startHours":11.667649356469028,"endHours":12.573477424707107,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:31","end":"04:25","startHours":3.515196742326297,"endHours":4.4210248105643775,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:12","end":"05:20","startHours":4.1945677935048575,"endHours":5.326852878802459,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:23","end":"15:17","startHours":14.38513356118327,"endHours":15.290961629421352,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:43","end":"19:07","startHours":18.714273902373677,"endHours":19.114273902373675,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:55","end":"19:29","startHours":18.914273902373676,"endHours":19.480416445022477,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:40","end":"20:25","startHours":18.664273902373676,"endHours":20.414273902373676,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:40","end":"00:34","startHours":23.667649356469028,"endHours":24.573477424707107,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Kāla","start":"05:20","end":"07:02","startHours":5.326852878802459,"endHours":7.025280506748861,"quality":"inauspicious"},{"name":"Śubha","start":"07:02","end":"08:43","startHours":7.025280506748861,"endHours":8.723708134695263,"quality":"auspicious"},{"name":"Roga","start":"08:43","end":"10:25","startHours":8.723708134695263,"endHours":10.422135762641666,"quality":"inauspicious"},{"name":"Udveg","start":"10:25","end":"12:07","startHours":10.422135762641666,"endHours":12.120563390588067,"quality":"inauspicious"},{"name":"Chala","start":"12:07","end":"13:49","startHours":12.120563390588067,"endHours":13.818991018534469,"quality":"neutral"},{"name":"Labha","start":"13:49","end":"15:31","startHours":13.818991018534469,"endHours":15.517418646480872,"quality":"auspicious"},{"name":"Amṛta","start":"15:31","end":"17:13","startHours":15.517418646480872,"endHours":17.215846274427275,"quality":"auspicious"},{"name":"Kāla","start":"17:13","end":"18:55","startHours":17.215846274427275,"endHours":18.914273902373676,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Labha","start":"18:55","end":"20:13","startHours":18.914273902373676,"endHours":20.215846274427275,"quality":"auspicious"},{"name":"Amṛta","start":"20:13","end":"21:31","startHours":20.215846274427275,"endHours":21.51741864648087,"quality":"auspicious"},{"name":"Kāla","start":"21:31","end":"22:49","startHours":21.51741864648087,"endHours":22.81899101853447,"quality":"inauspicious"},{"name":"Śubha","start":"22:49","end":"00:07","startHours":22.81899101853447,"endHours":24.120563390588067,"quality":"auspicious"},{"name":"Roga","start":"00:07","end":"01:25","startHours":24.120563390588067,"endHours":25.422135762641666,"quality":"inauspicious"},{"name":"Udveg","start":"01:25","end":"02:43","startHours":25.422135762641666,"endHours":26.723708134695265,"quality":"inauspicious"},{"name":"Chala","start":"02:43","end":"04:02","startHours":26.723708134695265,"endHours":28.02528050674886,"quality":"neutral"},{"name":"Labha","start":"04:02","end":"05:20","startHours":28.02528050674886,"endHours":29.32685287880246,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"05:20","end":"06:20","startHours":5.326852878802459,"endHours":6.326852878802459,"planetary_lord":"Saturn"},{"name":"Hora 2","start":"06:20","end":"07:20","startHours":6.326852878802459,"endHours":7.326852878802459,"planetary_lord":"Moon"},{"name":"Hora 3","start":"07:20","end":"08:20","startHours":7.326852878802459,"endHours":8.326852878802459,"planetary_lord":"Mercury"},{"name":"Hora 4","start":"08:20","end":"09:20","startHours":8.326852878802459,"endHours":9.326852878802459,"planetary_lord":"Venus"},{"name":"Hora 5","start":"09:20","end":"10:20","startHours":9.326852878802459,"endHours":10.326852878802459,"planetary_lord":"Sun"},{"name":"Hora 6","start":"10:20","end":"11:20","startHours":10.326852878802459,"endHours":11.326852878802459,"planetary_lord":"Mars"},{"name":"Hora 7","start":"11:20","end":"12:20","startHours":11.326852878802459,"endHours":12.326852878802459,"planetary_lord":"Jupiter"},{"name":"Hora 8","start":"12:20","end":"13:20","startHours":12.326852878802459,"endHours":13.326852878802459,"planetary_lord":"Saturn"},{"name":"Hora 9","start":"13:20","end":"14:20","startHours":13.326852878802459,"endHours":14.326852878802459,"planetary_lord":"Moon"},{"name":"Hora 10","start":"14:20","end":"15:20","startHours":14.326852878802459,"endHours":15.326852878802459,"planetary_lord":"Mercury"},{"name":"Hora 11","start":"15:20","end":"16:20","startHours":15.326852878802459,"endHours":16.32685287880246,"planetary_lord":"Venus"},{"name":"Hora 12","start":"16:20","end":"17:20","startHours":16.32685287880246,"endHours":17.32685287880246,"planetary_lord":"Sun"},{"name":"Hora 13","start":"17:20","end":"18:20","startHours":17.32685287880246,"endHours":18.32685287880246,"planetary_lord":"Mars"},{"name":"Hora 14","start":"18:20","end":"19:20","startHours":18.32685287880246,"endHours":19.32685287880246,"planetary_lord":"Jupiter"},{"name":"Hora 15","start":"19:20","end":"20:20","startHours":19.32685287880246,"endHours":20.32685287880246,"planetary_lord":"Saturn"},{"name":"Hora 16","start":"20:20","end":"21:20","startHours":20.32685287880246,"endHours":21.32685287880246,"planetary_lord":"Moon"},{"name":"Hora 17","start":"21:20","end":"22:20","startHours":21.32685287880246,"endHours":22.32685287880246,"planetary_lord":"Mercury"},{"name":"Hora 18","start":"22:20","end":"23:20","startHours":22.32685287880246,"endHours":23.32685287880246,"planetary_lord":"Venus"},{"name":"Hora 19","start":"23:20","end":"00:20","startHours":23.32685287880246,"endHours":24.32685287880246,"planetary_lord":"Sun"},{"name":"Hora 20","start":"00:20","end":"01:20","startHours":24.32685287880246,"endHours":25.32685287880246,"planetary_lord":"Mars"},{"name":"Hora 21","start":"01:20","end":"02:20","startHours":25.32685287880246,"endHours":26.32685287880246,"planetary_lord":"Jupiter"},{"name":"Hora 22","start":"02:20","end":"03:20","startHours":26.32685287880246,"endHours":27.32685287880246,"planetary_lord":"Saturn"},{"name":"Hora 23","start":"03:20","end":"04:20","startHours":27.32685287880246,"endHours":28.32685287880246,"planetary_lord":"Moon"},{"name":"Hora 24","start":"04:20","end":"05:20","startHours":28.32685287880246,"endHours":29.32685287880246,"planetary_lord":"Mercury"}],"taraBala":{"favorable_nakshatras":["Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Aśleṣā","Citrā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Vṛṣabha","Karka","Tulā","Vṛścika","Kumbha","Mīna"],"unfavorable_rashis":["Meṣa","Mithuna","Siṃha","Kanyā","Dhanu","Makara"]},"dishaShool":"East (Pūrva)","chandraVasa":"South-East","rahuVasa":"East","anandadiYoga":{"name":"Dhātṛ","quality":"Auspicious"},"tropicalRitu":"Grīṣma (Summer)","vedicRitu":"Grīṣma (Summer)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":20.505669631463732,"eotMinutes":-6.049803435283957,"ayanamsa":19.5442}},"calendars":{"vikram_samvat":1748,"vikram_samvatsara":"Tāraṇa","saka_samvat":1613,"saka_samvatsara":"Prajāpati","bengali_samvat":1098,"malayalam_era":867,"nanakshahi_year":222,"lunar_month":"Śrāvaṇa","lunar_month_paksha_full":"Śrāvaṇa Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Śrāvaṇa","lunar_month_amanta":"Āṣāḍha","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 Kṛṣṇa Ekādaśī · Vikram 1748 Tāraṇa · Śaka 1613 Prajāpati"},"festivals":[{"id":"aja-ekadashi","name":"Ajā Ekādaśī","name_sanskrit":"अजा एकादशी","tradition":"Vaishnava","associated_deity":"Bhagavān Viṣṇu","significance":"King Hariścandra observed this; restored him to throne and family.","vrata":true,"detection":{"tithi_number":26,"tithi_paksha":"Kṛṣṇa","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":"shani-walk","name":"Śani Walk","name_sanskrit":"शनि यात्रा","type":"graha","description":"Tapas + endurance + BG 17.14-19.","step_count":7,"url":"/walk/shani-walk"},"reason":"Śanivāra (Saturday) — its presiding graha's walk."},"cosmic_resonances":[{"historical_date":"-3226-07-09","event":"Bhagavān Krishna's birth at Mathurā","chart_id":"krishna","shared_marker":"same Rohiṇī","url":"/day/-3226-07-09","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 21, 1691 CE · Ayodhyā · Vidhyamitra","description":"July 21, 1691 CE for Ayodhyā: Kṛṣṇa Ekādaśī, sūryodaya 05:20, sūryāsta 18:55.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/ayodhya/1691-07-21","hreflang_alternates":{"en":"https://vidhyamitra.com/city/ayodhya/1691-07-21","sa":"https://sa.vidhyamitra.com/city/ayodhya/1691-07-21","hi":"https://hi.vidhyamitra.com/city/ayodhya/1691-07-21","x-default":"https://vidhyamitra.com/city/ayodhya/1691-07-21"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-03T06:31:10.851Z","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":"2026-06-03T06:31:10.851Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-03T06:31:10.851Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}