{"id":"vidhyamitra:city-day:ayodhya:1671-07-13:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/ayodhya/1671-07-13","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1671-07-13","date_display":"July 13, 1671 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":1671,"month":7,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2331573.770833,"kali_year":4773,"ahargana":1743108.2708,"sun":{"sidereal_longitude":91.5438,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":171.2448,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":7,"name":"Saptamī","paksha":"Śukla","full_name":"Śukla Saptamī","elongation_degrees":79.701,"elapsed_within_tithi_degrees":7.701},"nakshatra":{"number":13,"name":"Hasta","pada":4,"moon_longitude":171.2448,"elapsed_within_degrees":11.2448},"yoga":{"number":20,"name":"Śiva","sum_longitude":262.7886},"karana":{"half_tithi_index":13,"name":"Vaṇija"},"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":1671,"month":7,"day":13,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2331573.770833,"ahargana":1743108.2708,"kali_year":4773,"ayanamsa_lahiri":19.2645,"grahas":{"sun":{"sidereal_longitude":91.20709299999999,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":7,"name":"Punarvasu","pada":4},"retrograde":false},"moon":{"sidereal_longitude":170.79409299999998,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":4},"retrograde":false,"latitude":-0.7427},"mars":{"sidereal_longitude":105.69469300000003,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":86.68179299999997,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":124.86539299999998,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":2},"retrograde":false},"venus":{"sidereal_longitude":133.68629299999998,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":334.5922929999999,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":1},"retrograde":true},"rahu":{"sidereal_longitude":341.7354,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":161.7354,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","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":1671,"month":7,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2331573.770833,"kali_year":4773,"ahargana":1743108.2708,"sun":{"sidereal_longitude":91.5438,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":171.2448,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":7,"name":"Saptamī","paksha":"Śukla","full_name":"Śukla Saptamī","elongation_degrees":79.701,"elapsed_within_tithi_degrees":7.701},"nakshatra":{"number":13,"name":"Hasta","pada":4,"moon_longitude":171.2448,"elapsed_within_degrees":11.2448},"yoga":{"number":20,"name":"Śiva","sum_longitude":262.7886},"karana":{"half_tithi_index":13,"name":"Vaṇija"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-0.743,"elongation":79.701},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-0.743,"opposition_distance":100.299}},"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":"05:16","sunsetLocal":"18:57","solarNoonLocal":"12:07","dayLengthHours":13.697433491086755,"dayLengthDisplay":"13 Hours 41 Mins 51 Secs","nightLengthDisplay":"10 Hours 18 Mins 09 Secs","moonriseLocal":"11:30","moonsetLocal":"23:19","rahuKala":{"name":"Rāhu Kāla","start":"06:58","end":"08:41","startHours":6.972552921611814,"endHours":8.684732107997657,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"10:24","end":"12:07","startHours":10.396911294383504,"endHours":12.109090480769346,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"13:49","end":"15:32","startHours":13.821269667155192,"endHours":15.533448853541035,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:27","end":"08:55","startHours":8.45644154981288,"endHours":8.913022666182437,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"05:50","end":"06:12","startHours":5.8311001306879175,"endHours":6.196365023783565,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:39","end":"12:34","startHours":11.652509364399787,"endHours":12.565671597138905,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:26","end":"04:21","startHours":3.434049269747735,"endHours":4.347211502486853,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:07","end":"05:16","startHours":4.118920944302073,"endHours":5.260373735225969,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:24","end":"15:18","startHours":14.391996062617139,"endHours":15.305158295356255,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:45","end":"19:09","startHours":18.757807226312725,"endHours":19.157807226312723,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:57","end":"19:32","startHours":18.957807226312724,"endHours":19.52853362177467,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:42","end":"20:27","startHours":18.707807226312724,"endHours":20.457807226312724,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:39","end":"00:34","startHours":23.652509364399787,"endHours":24.565671597138905,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Amṛta","start":"05:16","end":"06:58","startHours":5.260373735225969,"endHours":6.972552921611814,"quality":"auspicious"},{"name":"Kāla","start":"06:58","end":"08:41","startHours":6.972552921611814,"endHours":8.684732107997657,"quality":"inauspicious"},{"name":"Śubha","start":"08:41","end":"10:24","startHours":8.684732107997657,"endHours":10.396911294383504,"quality":"auspicious"},{"name":"Roga","start":"10:24","end":"12:07","startHours":10.396911294383504,"endHours":12.109090480769346,"quality":"inauspicious"},{"name":"Udveg","start":"12:07","end":"13:49","startHours":12.109090480769346,"endHours":13.821269667155192,"quality":"inauspicious"},{"name":"Chala","start":"13:49","end":"15:32","startHours":13.821269667155192,"endHours":15.533448853541035,"quality":"neutral"},{"name":"Labha","start":"15:32","end":"17:15","startHours":15.533448853541035,"endHours":17.24562803992688,"quality":"auspicious"},{"name":"Amṛta","start":"17:15","end":"18:57","startHours":17.24562803992688,"endHours":18.957807226312724,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Chala","start":"18:57","end":"20:15","startHours":18.957807226312724,"endHours":20.245628039926878,"quality":"neutral"},{"name":"Labha","start":"20:15","end":"21:32","startHours":20.245628039926878,"endHours":21.533448853541035,"quality":"auspicious"},{"name":"Amṛta","start":"21:32","end":"22:49","startHours":21.533448853541035,"endHours":22.821269667155192,"quality":"auspicious"},{"name":"Kāla","start":"22:49","end":"00:07","startHours":22.821269667155192,"endHours":24.109090480769346,"quality":"inauspicious"},{"name":"Śubha","start":"00:07","end":"01:24","startHours":24.109090480769346,"endHours":25.3969112943835,"quality":"auspicious"},{"name":"Roga","start":"01:24","end":"02:41","startHours":25.3969112943835,"endHours":26.684732107997657,"quality":"inauspicious"},{"name":"Udveg","start":"02:41","end":"03:58","startHours":26.684732107997657,"endHours":27.972552921611815,"quality":"inauspicious"},{"name":"Chala","start":"03:58","end":"05:16","startHours":27.972552921611815,"endHours":29.26037373522597,"quality":"neutral"}],"horas":[{"name":"Hora 1","start":"05:16","end":"06:16","startHours":5.260373735225969,"endHours":6.260373735225969,"planetary_lord":"Moon"},{"name":"Hora 2","start":"06:16","end":"07:16","startHours":6.260373735225969,"endHours":7.260373735225969,"planetary_lord":"Mercury"},{"name":"Hora 3","start":"07:16","end":"08:16","startHours":7.260373735225969,"endHours":8.260373735225969,"planetary_lord":"Venus"},{"name":"Hora 4","start":"08:16","end":"09:16","startHours":8.260373735225969,"endHours":9.260373735225969,"planetary_lord":"Sun"},{"name":"Hora 5","start":"09:16","end":"10:16","startHours":9.260373735225969,"endHours":10.260373735225969,"planetary_lord":"Mars"},{"name":"Hora 6","start":"10:16","end":"11:16","startHours":10.260373735225969,"endHours":11.260373735225969,"planetary_lord":"Jupiter"},{"name":"Hora 7","start":"11:16","end":"12:16","startHours":11.260373735225969,"endHours":12.260373735225969,"planetary_lord":"Saturn"},{"name":"Hora 8","start":"12:16","end":"13:16","startHours":12.260373735225969,"endHours":13.260373735225969,"planetary_lord":"Moon"},{"name":"Hora 9","start":"13:16","end":"14:16","startHours":13.260373735225969,"endHours":14.260373735225969,"planetary_lord":"Mercury"},{"name":"Hora 10","start":"14:16","end":"15:16","startHours":14.260373735225969,"endHours":15.260373735225969,"planetary_lord":"Venus"},{"name":"Hora 11","start":"15:16","end":"16:16","startHours":15.260373735225969,"endHours":16.26037373522597,"planetary_lord":"Sun"},{"name":"Hora 12","start":"16:16","end":"17:16","startHours":16.26037373522597,"endHours":17.26037373522597,"planetary_lord":"Mars"},{"name":"Hora 13","start":"17:16","end":"18:16","startHours":17.26037373522597,"endHours":18.26037373522597,"planetary_lord":"Jupiter"},{"name":"Hora 14","start":"18:16","end":"19:16","startHours":18.26037373522597,"endHours":19.26037373522597,"planetary_lord":"Saturn"},{"name":"Hora 15","start":"19:16","end":"20:16","startHours":19.26037373522597,"endHours":20.26037373522597,"planetary_lord":"Moon"},{"name":"Hora 16","start":"20:16","end":"21:16","startHours":20.26037373522597,"endHours":21.26037373522597,"planetary_lord":"Mercury"},{"name":"Hora 17","start":"21:16","end":"22:16","startHours":21.26037373522597,"endHours":22.26037373522597,"planetary_lord":"Venus"},{"name":"Hora 18","start":"22:16","end":"23:16","startHours":22.26037373522597,"endHours":23.26037373522597,"planetary_lord":"Sun"},{"name":"Hora 19","start":"23:16","end":"00:16","startHours":23.26037373522597,"endHours":24.26037373522597,"planetary_lord":"Mars"},{"name":"Hora 20","start":"00:16","end":"01:16","startHours":24.26037373522597,"endHours":25.26037373522597,"planetary_lord":"Jupiter"},{"name":"Hora 21","start":"01:16","end":"02:16","startHours":25.26037373522597,"endHours":26.26037373522597,"planetary_lord":"Saturn"},{"name":"Hora 22","start":"02:16","end":"03:16","startHours":26.26037373522597,"endHours":27.26037373522597,"planetary_lord":"Moon"},{"name":"Hora 23","start":"03:16","end":"04:16","startHours":27.26037373522597,"endHours":28.26037373522597,"planetary_lord":"Mercury"},{"name":"Hora 24","start":"04:16","end":"05:16","startHours":28.26037373522597,"endHours":29.26037373522597,"planetary_lord":"Venus"}],"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":["Mithuna","Karka","Kanyā","Vṛścika","Kumbha","Mīna"],"unfavorable_rashis":["Meṣa","Vṛṣabha","Siṃha","Tulā","Dhanu","Makara"]},"dishaShool":"East (Pūrva)","chandraVasa":"North-West","rahuVasa":"North-East","anandadiYoga":{"name":"Mṛtyu","quality":"Inauspicious"},"tropicalRitu":"Grīṣma (Summer)","vedicRitu":"Grīṣma (Summer)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":21.876916831095794,"eotMinutes":-5.361428846160681,"ayanamsa":19.2645}},"calendars":{"vikram_samvat":1728,"vikram_samvatsara":"Raktākṣī","saka_samvat":1593,"saka_samvatsara":"Virodhakṛt","bengali_samvat":1078,"malayalam_era":847,"nanakshahi_year":202,"lunar_month":"Āṣāḍha","lunar_month_paksha_full":"Āṣāḍha Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Āṣāḍha","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":"Grīṣma (Summer)","display_summary":"Āṣāḍha Śukla Saptamī · Vikram 1728 Raktākṣī · Śaka 1593 Virodhakṛt"},"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 July 13, 1671 CE · Ayodhyā · Vidhyamitra","description":"July 13, 1671 CE for Ayodhyā: Śukla Saptamī, sūryodaya 05:16, sūryāsta 18:57.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/ayodhya/1671-07-13","hreflang_alternates":{"en":"https://vidhyamitra.com/city/ayodhya/1671-07-13","sa":"https://sa.vidhyamitra.com/city/ayodhya/1671-07-13","hi":"https://hi.vidhyamitra.com/city/ayodhya/1671-07-13","x-default":"https://vidhyamitra.com/city/ayodhya/1671-07-13"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-04T07:02:44.750Z","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":"2026-06-04T07:02:44.750Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-04T07:02:44.750Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}