{"id":"vidhyamitra:city-day:ayodhya:1660-07-13:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/ayodhya/1660-07-13","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1660-07-13","date_display":"July 13, 1660 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":1660,"month":7,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2327556.770833,"kali_year":4762,"ahargana":1739091.2708,"sun":{"sidereal_longitude":92.3459,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":157.2978,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":6,"name":"Ṣaṣṭhī","paksha":"Śukla","full_name":"Śukla Ṣaṣṭhī","elongation_degrees":64.9519,"elapsed_within_tithi_degrees":4.9519},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":4,"moon_longitude":157.2978,"elapsed_within_degrees":10.6311},"yoga":{"number":19,"name":"Parigha","sum_longitude":249.6436},"karana":{"half_tithi_index":10,"name":"Kaulava"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"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":1660,"month":7,"day":13,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2327556.770833,"ahargana":1739091.2708,"kali_year":4762,"ayanamsa_lahiri":19.1109,"grahas":{"sun":{"sidereal_longitude":91.988272,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":7,"name":"Punarvasu","pada":4},"retrograde":false},"moon":{"sidereal_longitude":153.16167199999995,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":2},"retrograde":false,"latitude":-2.7238},"mars":{"sidereal_longitude":135.33937200000003,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":92.139272,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":7,"name":"Punarvasu","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":145.93827199999998,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":4},"retrograde":false},"venus":{"sidereal_longitude":142.013172,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":201.14647200000002,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":1},"retrograde":false},"rahu":{"sidereal_longitude":194.5754,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":14.5754,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","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":1660,"month":7,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2327556.770833,"kali_year":4762,"ahargana":1739091.2708,"sun":{"sidereal_longitude":92.3459,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":157.2978,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":6,"name":"Ṣaṣṭhī","paksha":"Śukla","full_name":"Śukla Ṣaṣṭhī","elongation_degrees":64.9519,"elapsed_within_tithi_degrees":4.9519},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":4,"moon_longitude":157.2978,"elapsed_within_degrees":10.6311},"yoga":{"number":19,"name":"Parigha","sum_longitude":249.6436},"karana":{"half_tithi_index":10,"name":"Kaulava"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-2.724,"elongation":64.952},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-2.724,"opposition_distance":115.048}},"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":13.68969725043523,"dayLengthDisplay":"13 Hours 41 Mins 23 Secs","nightLengthDisplay":"10 Hours 18 Mins 37 Secs","moonriseLocal":"10:02","moonsetLocal":"22:20","rahuKala":{"name":"Rāhu Kāla","start":"15:32","end":"17:15","startHours":15.531514793378154,"endHours":17.242726949682556,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"08:41","end":"10:24","startHours":8.686666168160539,"endHours":10.39787832446494,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"12:07","end":"13:49","startHours":12.109090480769346,"endHours":13.820302637073748,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:28","end":"08:55","startHours":8.45850454731995,"endHours":8.914827789001125,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"05:50","end":"06:12","startHours":5.834645907653198,"endHours":6.199704500998138,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:39","end":"12:34","startHours":11.652767239088172,"endHours":12.56541372245052,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:26","end":"04:21","startHours":3.4389488888270328,"endHours":4.351595372189381,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:07","end":"05:16","startHours":4.123433751348794,"endHours":5.26424185555173,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:23","end":"15:18","startHours":14.390706689175218,"endHours":15.303353172537566,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:45","end":"19:09","startHours":18.753939105986962,"endHours":19.15393910598696,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:57","end":"19:31","startHours":18.95393910598696,"endHours":19.524343158088428,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:42","end":"20:27","startHours":18.70393910598696,"endHours":20.45393910598696,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:39","end":"00:34","startHours":23.65276723908817,"endHours":24.565413722450522,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Roga","start":"05:16","end":"06:59","startHours":5.26424185555173,"endHours":6.975454011856134,"quality":"inauspicious"},{"name":"Udveg","start":"06:59","end":"08:41","startHours":6.975454011856134,"endHours":8.686666168160539,"quality":"inauspicious"},{"name":"Chala","start":"08:41","end":"10:24","startHours":8.686666168160539,"endHours":10.39787832446494,"quality":"neutral"},{"name":"Labha","start":"10:24","end":"12:07","startHours":10.39787832446494,"endHours":12.109090480769346,"quality":"auspicious"},{"name":"Amṛta","start":"12:07","end":"13:49","startHours":12.109090480769346,"endHours":13.820302637073748,"quality":"auspicious"},{"name":"Kāla","start":"13:49","end":"15:32","startHours":13.820302637073748,"endHours":15.531514793378154,"quality":"inauspicious"},{"name":"Śubha","start":"15:32","end":"17:15","startHours":15.531514793378154,"endHours":17.242726949682556,"quality":"auspicious"},{"name":"Roga","start":"17:15","end":"18:57","startHours":17.242726949682556,"endHours":18.95393910598696,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Kāla","start":"18:57","end":"20:15","startHours":18.95393910598696,"endHours":20.242726949682556,"quality":"inauspicious"},{"name":"Śubha","start":"20:15","end":"21:32","startHours":20.242726949682556,"endHours":21.531514793378154,"quality":"auspicious"},{"name":"Roga","start":"21:32","end":"22:49","startHours":21.531514793378154,"endHours":22.820302637073752,"quality":"inauspicious"},{"name":"Udveg","start":"22:49","end":"00:07","startHours":22.820302637073752,"endHours":24.109090480769346,"quality":"inauspicious"},{"name":"Chala","start":"00:07","end":"01:24","startHours":24.109090480769346,"endHours":25.39787832446494,"quality":"neutral"},{"name":"Labha","start":"01:24","end":"02:41","startHours":25.39787832446494,"endHours":26.68666616816054,"quality":"auspicious"},{"name":"Amṛta","start":"02:41","end":"03:59","startHours":26.68666616816054,"endHours":27.975454011856137,"quality":"auspicious"},{"name":"Kāla","start":"03:59","end":"05:16","startHours":27.975454011856137,"endHours":29.26424185555173,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"05:16","end":"06:16","startHours":5.26424185555173,"endHours":6.26424185555173,"planetary_lord":"Mars"},{"name":"Hora 2","start":"06:16","end":"07:16","startHours":6.26424185555173,"endHours":7.26424185555173,"planetary_lord":"Jupiter"},{"name":"Hora 3","start":"07:16","end":"08:16","startHours":7.26424185555173,"endHours":8.264241855551731,"planetary_lord":"Saturn"},{"name":"Hora 4","start":"08:16","end":"09:16","startHours":8.264241855551731,"endHours":9.264241855551731,"planetary_lord":"Moon"},{"name":"Hora 5","start":"09:16","end":"10:16","startHours":9.264241855551731,"endHours":10.264241855551731,"planetary_lord":"Mercury"},{"name":"Hora 6","start":"10:16","end":"11:16","startHours":10.264241855551731,"endHours":11.264241855551731,"planetary_lord":"Venus"},{"name":"Hora 7","start":"11:16","end":"12:16","startHours":11.264241855551731,"endHours":12.264241855551731,"planetary_lord":"Sun"},{"name":"Hora 8","start":"12:16","end":"13:16","startHours":12.264241855551731,"endHours":13.264241855551731,"planetary_lord":"Mars"},{"name":"Hora 9","start":"13:16","end":"14:16","startHours":13.264241855551731,"endHours":14.264241855551731,"planetary_lord":"Jupiter"},{"name":"Hora 10","start":"14:16","end":"15:16","startHours":14.264241855551731,"endHours":15.264241855551731,"planetary_lord":"Saturn"},{"name":"Hora 11","start":"15:16","end":"16:16","startHours":15.264241855551731,"endHours":16.26424185555173,"planetary_lord":"Moon"},{"name":"Hora 12","start":"16:16","end":"17:16","startHours":16.26424185555173,"endHours":17.26424185555173,"planetary_lord":"Mercury"},{"name":"Hora 13","start":"17:16","end":"18:16","startHours":17.26424185555173,"endHours":18.26424185555173,"planetary_lord":"Venus"},{"name":"Hora 14","start":"18:16","end":"19:16","startHours":18.26424185555173,"endHours":19.26424185555173,"planetary_lord":"Sun"},{"name":"Hora 15","start":"19:16","end":"20:16","startHours":19.26424185555173,"endHours":20.26424185555173,"planetary_lord":"Mars"},{"name":"Hora 16","start":"20:16","end":"21:16","startHours":20.26424185555173,"endHours":21.26424185555173,"planetary_lord":"Jupiter"},{"name":"Hora 17","start":"21:16","end":"22:16","startHours":21.26424185555173,"endHours":22.26424185555173,"planetary_lord":"Saturn"},{"name":"Hora 18","start":"22:16","end":"23:16","startHours":22.26424185555173,"endHours":23.26424185555173,"planetary_lord":"Moon"},{"name":"Hora 19","start":"23:16","end":"00:16","startHours":23.26424185555173,"endHours":24.26424185555173,"planetary_lord":"Mercury"},{"name":"Hora 20","start":"00:16","end":"01:16","startHours":24.26424185555173,"endHours":25.26424185555173,"planetary_lord":"Venus"},{"name":"Hora 21","start":"01:16","end":"02:16","startHours":25.26424185555173,"endHours":26.26424185555173,"planetary_lord":"Sun"},{"name":"Hora 22","start":"02:16","end":"03:16","startHours":26.26424185555173,"endHours":27.26424185555173,"planetary_lord":"Mars"},{"name":"Hora 23","start":"03:16","end":"04:16","startHours":27.26424185555173,"endHours":28.26424185555173,"planetary_lord":"Jupiter"},{"name":"Hora 24","start":"04:16","end":"05:16","startHours":28.26424185555173,"endHours":29.26424185555173,"planetary_lord":"Saturn"}],"taraBala":{"favorable_nakshatras":["Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Hasta","Citrā","Svātī","Viśākhā","Anurādhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Revatī"],"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":"North (Uttara)","chandraVasa":"North-West","rahuVasa":"North","anandadiYoga":{"name":"Śubha","quality":"Auspicious"},"tropicalRitu":"Grīṣma (Summer)","vedicRitu":"Grīṣma (Summer)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":21.781497130478236,"eotMinutes":-5.361428846160681,"ayanamsa":19.1109}},"calendars":{"vikram_samvat":1717,"vikram_samvatsara":"Pramādī","saka_samvat":1582,"saka_samvatsara":"Śārvarī","bengali_samvat":1067,"malayalam_era":836,"nanakshahi_year":191,"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 Ṣaṣṭhī · Vikram 1717 Pramādī · Śaka 1582 Śārvarī"},"festivals":[],"todays_walk":{"walk":{"id":"mangala-walk","name":"Maṅgala Walk","name_sanskrit":"मङ्गल यात्रा","type":"graha","description":"Right action + BG 2.31-38 (kṣatriya-dharma).","step_count":7,"url":"/walk/mangala-walk"},"reason":"Maṅgalavāra (Tuesday) — 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, 1660 CE · Ayodhyā · Vidhyamitra","description":"July 13, 1660 CE for Ayodhyā: Śukla Ṣaṣṭhī, sūryodaya 05:16, sūryāsta 18:57.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/ayodhya/1660-07-13","hreflang_alternates":{"en":"https://vidhyamitra.com/city/ayodhya/1660-07-13","sa":"https://sa.vidhyamitra.com/city/ayodhya/1660-07-13","hi":"https://hi.vidhyamitra.com/city/ayodhya/1660-07-13","x-default":"https://vidhyamitra.com/city/ayodhya/1660-07-13"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-05T07:19:01.434Z","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":"2026-06-05T07:19:01.434Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-05T07:19:01.434Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}