{"id":"vidhyamitra:city-day:ayodhya:1806-07-13:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/ayodhya/1806-07-13","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1806-07-13","date_display":"July 13, 1806 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":1806,"month":7,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2380880.770833,"kali_year":4908,"ahargana":1792415.2708,"sun":{"sidereal_longitude":88.7658,"rashi":3,"rashi_name":"Mithuna"},"moon":{"sidereal_longitude":49.6201,"rashi":2,"rashi_name":"Vṛṣabha"},"tithi":{"number":27,"name":"Dvādaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Dvādaśī","elongation_degrees":320.8543,"elapsed_within_tithi_degrees":8.8543},"nakshatra":{"number":4,"name":"Rohiṇī","pada":3,"moon_longitude":49.6201,"elapsed_within_degrees":9.6201},"yoga":{"number":11,"name":"Vṛddhi","sum_longitude":138.3858},"karana":{"half_tithi_index":53,"name":"Taitila"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"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":1806,"month":7,"day":13,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2380880.770833,"ahargana":1792415.2708,"kali_year":4908,"ayanamsa_lahiri":21.1504,"grahas":{"sun":{"sidereal_longitude":88.73330299999998,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":3},"retrograde":false},"moon":{"sidereal_longitude":48.076802999999984,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":3},"retrograde":false,"latitude":1.5077},"mars":{"sidereal_longitude":56.97040300000003,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":106.708103,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":253.15690300000006,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":4},"retrograde":true},"venus":{"sidereal_longitude":51.22320300000001,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":182.69490300000007,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":3},"retrograde":false},"rahu":{"sidereal_longitude":249.2132,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":69.2132,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","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":1806,"month":7,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2380880.770833,"kali_year":4908,"ahargana":1792415.2708,"sun":{"sidereal_longitude":88.7658,"rashi":3,"rashi_name":"Mithuna"},"moon":{"sidereal_longitude":49.6201,"rashi":2,"rashi_name":"Vṛṣabha"},"tithi":{"number":27,"name":"Dvādaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Dvādaśī","elongation_degrees":320.8543,"elapsed_within_tithi_degrees":8.8543},"nakshatra":{"number":4,"name":"Rohiṇī","pada":3,"moon_longitude":49.6201,"elapsed_within_degrees":9.6201},"yoga":{"number":11,"name":"Vṛddhi","sum_longitude":138.3858},"karana":{"half_tithi_index":53,"name":"Taitila"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":1.508,"elongation":39.146},"lunar":{"type":"lunar","occurs":false,"moon_latitude":1.508,"opposition_distance":140.854}},"eclipse_window_40days":[{"offset_days":-12,"type":"lunar","occurs":true,"moon_latitude":0.815,"opposition_distance":2.89}]},"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":"05:15","sunsetLocal":"18:58","solarNoonLocal":"12:07","dayLengthHours":13.704492957836045,"dayLengthDisplay":"13 Hours 42 Mins 16 Secs","nightLengthDisplay":"10 Hours 17 Mins 44 Secs","moonriseLocal":"02:34","moonsetLocal":"16:13","rahuKala":{"name":"Rāhu Kāla","start":"17:15","end":"18:58","startHours":17.248275339957864,"endHours":18.96133695968737,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"12:07","end":"13:49","startHours":12.109090480769346,"endHours":13.822152100498851,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"15:32","end":"17:15","startHours":15.535213720228358,"endHours":17.248275339957864,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:27","end":"08:55","startHours":8.454559025346402,"endHours":8.91137545727427,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"05:50","end":"06:12","startHours":5.8278645417611585,"endHours":6.193317687303453,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:39","end":"12:34","startHours":11.652274048841479,"endHours":12.565906912697214,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:26","end":"04:21","startHours":3.4295782741398506,"endHours":4.343211137995588,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:07","end":"05:15","startHours":4.114802922031653,"endHours":5.256844001851324,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:24","end":"15:18","startHours":14.393172640408688,"endHours":15.306805504264425,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:46","end":"19:10","startHours":18.76133695968737,"endHours":19.161336959687368,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:58","end":"19:32","startHours":18.96133695968737,"endHours":19.532357499597204,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:43","end":"20:28","startHours":18.71133695968737,"endHours":20.46133695968737,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:39","end":"00:34","startHours":23.652274048841477,"endHours":24.565906912697216,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Udveg","start":"05:15","end":"06:58","startHours":5.256844001851324,"endHours":6.969905621580829,"quality":"inauspicious"},{"name":"Chala","start":"06:58","end":"08:41","startHours":6.969905621580829,"endHours":8.682967241310335,"quality":"neutral"},{"name":"Labha","start":"08:41","end":"10:24","startHours":8.682967241310335,"endHours":10.396028861039841,"quality":"auspicious"},{"name":"Amṛta","start":"10:24","end":"12:07","startHours":10.396028861039841,"endHours":12.109090480769346,"quality":"auspicious"},{"name":"Kāla","start":"12:07","end":"13:49","startHours":12.109090480769346,"endHours":13.822152100498851,"quality":"inauspicious"},{"name":"Śubha","start":"13:49","end":"15:32","startHours":13.822152100498851,"endHours":15.535213720228358,"quality":"auspicious"},{"name":"Roga","start":"15:32","end":"17:15","startHours":15.535213720228358,"endHours":17.248275339957864,"quality":"inauspicious"},{"name":"Udveg","start":"17:15","end":"18:58","startHours":17.248275339957864,"endHours":18.96133695968737,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Śubha","start":"18:58","end":"20:15","startHours":18.96133695968737,"endHours":20.248275339957864,"quality":"auspicious"},{"name":"Roga","start":"20:15","end":"21:32","startHours":20.248275339957864,"endHours":21.535213720228356,"quality":"inauspicious"},{"name":"Udveg","start":"21:32","end":"22:49","startHours":21.535213720228356,"endHours":22.82215210049885,"quality":"inauspicious"},{"name":"Chala","start":"22:49","end":"00:07","startHours":22.82215210049885,"endHours":24.109090480769346,"quality":"neutral"},{"name":"Labha","start":"00:07","end":"01:24","startHours":24.109090480769346,"endHours":25.39602886103984,"quality":"auspicious"},{"name":"Amṛta","start":"01:24","end":"02:41","startHours":25.39602886103984,"endHours":26.682967241310337,"quality":"auspicious"},{"name":"Kāla","start":"02:41","end":"03:58","startHours":26.682967241310337,"endHours":27.96990562158083,"quality":"inauspicious"},{"name":"Śubha","start":"03:58","end":"05:15","startHours":27.96990562158083,"endHours":29.256844001851324,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"05:15","end":"06:15","startHours":5.256844001851324,"endHours":6.256844001851324,"planetary_lord":"Sun"},{"name":"Hora 2","start":"06:15","end":"07:15","startHours":6.256844001851324,"endHours":7.256844001851324,"planetary_lord":"Mars"},{"name":"Hora 3","start":"07:15","end":"08:15","startHours":7.256844001851324,"endHours":8.256844001851324,"planetary_lord":"Jupiter"},{"name":"Hora 4","start":"08:15","end":"09:15","startHours":8.256844001851324,"endHours":9.256844001851324,"planetary_lord":"Saturn"},{"name":"Hora 5","start":"09:15","end":"10:15","startHours":9.256844001851324,"endHours":10.256844001851324,"planetary_lord":"Moon"},{"name":"Hora 6","start":"10:15","end":"11:15","startHours":10.256844001851324,"endHours":11.256844001851324,"planetary_lord":"Mercury"},{"name":"Hora 7","start":"11:15","end":"12:15","startHours":11.256844001851324,"endHours":12.256844001851324,"planetary_lord":"Venus"},{"name":"Hora 8","start":"12:15","end":"13:15","startHours":12.256844001851324,"endHours":13.256844001851324,"planetary_lord":"Sun"},{"name":"Hora 9","start":"13:15","end":"14:15","startHours":13.256844001851324,"endHours":14.256844001851324,"planetary_lord":"Mars"},{"name":"Hora 10","start":"14:15","end":"15:15","startHours":14.256844001851324,"endHours":15.256844001851324,"planetary_lord":"Jupiter"},{"name":"Hora 11","start":"15:15","end":"16:15","startHours":15.256844001851324,"endHours":16.256844001851324,"planetary_lord":"Saturn"},{"name":"Hora 12","start":"16:15","end":"17:15","startHours":16.256844001851324,"endHours":17.256844001851324,"planetary_lord":"Moon"},{"name":"Hora 13","start":"17:15","end":"18:15","startHours":17.256844001851324,"endHours":18.256844001851324,"planetary_lord":"Mercury"},{"name":"Hora 14","start":"18:15","end":"19:15","startHours":18.256844001851324,"endHours":19.256844001851324,"planetary_lord":"Venus"},{"name":"Hora 15","start":"19:15","end":"20:15","startHours":19.256844001851324,"endHours":20.256844001851324,"planetary_lord":"Sun"},{"name":"Hora 16","start":"20:15","end":"21:15","startHours":20.256844001851324,"endHours":21.256844001851324,"planetary_lord":"Mars"},{"name":"Hora 17","start":"21:15","end":"22:15","startHours":21.256844001851324,"endHours":22.256844001851324,"planetary_lord":"Jupiter"},{"name":"Hora 18","start":"22:15","end":"23:15","startHours":22.256844001851324,"endHours":23.256844001851324,"planetary_lord":"Saturn"},{"name":"Hora 19","start":"23:15","end":"00:15","startHours":23.256844001851324,"endHours":24.256844001851324,"planetary_lord":"Moon"},{"name":"Hora 20","start":"00:15","end":"01:15","startHours":24.256844001851324,"endHours":25.256844001851324,"planetary_lord":"Mercury"},{"name":"Hora 21","start":"01:15","end":"02:15","startHours":25.256844001851324,"endHours":26.256844001851324,"planetary_lord":"Venus"},{"name":"Hora 22","start":"02:15","end":"03:15","startHours":26.256844001851324,"endHours":27.256844001851324,"planetary_lord":"Sun"},{"name":"Hora 23","start":"03:15","end":"04:15","startHours":27.256844001851324,"endHours":28.256844001851324,"planetary_lord":"Mars"},{"name":"Hora 24","start":"04:15","end":"05:15","startHours":28.256844001851324,"endHours":29.256844001851324,"planetary_lord":"Jupiter"}],"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":"West (Paścim)","chandraVasa":"South-East","rahuVasa":"North-East","anandadiYoga":{"name":"Prajāpati","quality":"Auspicious"},"drikRitu":"Grīṣma (Summer) (Drik)","vedicRitu":"Grīṣma (Summer)","drikAyana":"Dakṣiṇāyana","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":21.96385482407406,"eotMinutes":-5.361428846160681,"ayanamsa":21.1504}},"calendars":{"vikram_samvat":1863,"vikram_samvatsara":"Pramāthi","saka_samvat":1728,"saka_samvatsara":"Akṣaya","bengali_samvat":1213,"malayalam_era":982,"nanakshahi_year":337,"lunar_month":"Āṣāḍha","lunar_month_paksha_full":"Āṣāḍha Kṛṣṇa Pakṣa","solar_month":"Mithuna (Āni)","ritu":"Grīṣma (Summer)","display_summary":"Āṣāḍha Kṛṣṇa Dvādaśī · Vikram 1863 Pramāthi · Śaka 1728 Akṣaya"},"festivals":[{"id":"mithuna-sankranti","name":"Mithuna Saṅkrānti","name_sanskrit":"मिथुन सङ्क्रान्ति","tradition":"Pan-Hindu","significance":"Sun enters Gemini.","vrata":false,"detection":{"sun_rashi":"Mithuna"},"precedence":5}],"todays_walk":{"walk":{"id":"surya-walk","name":"Sūrya Walk","name_sanskrit":"सूर्य यात्रा","type":"graha","description":"Self-illumination + BG 4.1 (Sun-lineage of Gītā transmission).","step_count":6,"url":"/walk/surya-walk"},"reason":"Ravivāra (Sunday) — 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 13, 1806 CE · Ayodhyā · Vidhyamitra","description":"July 13, 1806 CE for Ayodhyā: Kṛṣṇa Dvādaśī, sūryodaya 05:15, sūryāsta 18:58.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/ayodhya/1806-07-13","hreflang_alternates":{"en":"https://vidhyamitra.com/city/ayodhya/1806-07-13","sa":"https://sa.vidhyamitra.com/city/ayodhya/1806-07-13","hi":"https://hi.vidhyamitra.com/city/ayodhya/1806-07-13","x-default":"https://vidhyamitra.com/city/ayodhya/1806-07-13"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-22T16:08:25.297Z","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":"2026-05-22T16:08:25.297Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-22T16:08:25.297Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}