{"id":"vidhyamitra:city-day:ayodhya:1685-04-16:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/ayodhya/1685-04-16","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1685-04-16","date_display":"April 16, 1685 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":1685,"month":4,"day":16,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2336599.770833,"kali_year":4787,"ahargana":1748134.2708,"sun":{"sidereal_longitude":7.9906,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":147.188,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":12,"name":"Dvādaśī","paksha":"Śukla","full_name":"Śukla Dvādaśī","elongation_degrees":139.1974,"elapsed_within_tithi_degrees":7.1974},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":1,"moon_longitude":147.188,"elapsed_within_degrees":0.5214},"yoga":{"number":12,"name":"Dhruva","sum_longitude":155.1787},"karana":{"half_tithi_index":23,"name":"Bālava"},"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":1685,"month":4,"day":16,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2336599.770833,"ahargana":1748134.2708,"kali_year":4787,"ayanamsa_lahiri":19.4568,"grahas":{"sun":{"sidereal_longitude":7.155262999999991,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":3},"retrograde":false},"moon":{"sidereal_longitude":145.14746300000002,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":4},"retrograde":false,"latitude":4.2733},"mars":{"sidereal_longitude":238.628063,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":1.836162999999999,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":181.33446300000003,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":3},"retrograde":true},"venus":{"sidereal_longitude":352.054263,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":145.54576299999997,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":4},"retrograde":true},"rahu":{"sidereal_longitude":75.4337,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":255.4337,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","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":1685,"month":4,"day":16,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2336599.770833,"kali_year":4787,"ahargana":1748134.2708,"sun":{"sidereal_longitude":7.9906,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":147.188,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":12,"name":"Dvādaśī","paksha":"Śukla","full_name":"Śukla Dvādaśī","elongation_degrees":139.1974,"elapsed_within_tithi_degrees":7.1974},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":1,"moon_longitude":147.188,"elapsed_within_degrees":0.5214},"yoga":{"number":12,"name":"Dhruva","sum_longitude":155.1787},"karana":{"half_tithi_index":23,"name":"Bālava"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":4.273,"elongation":139.197},"lunar":{"type":"lunar","occurs":false,"moon_latitude":4.273,"opposition_distance":40.803}},"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":"05:36","sunsetLocal":"18:26","solarNoonLocal":"12:01","dayLengthHours":12.826735309597904,"dayLengthDisplay":"12 Hours 49 Mins 36 Secs","nightLengthDisplay":"11 Hours 10 Mins 24 Secs","moonriseLocal":"14:58","moonsetLocal":"03:28","rahuKala":{"name":"Rāhu Kāla","start":"07:13","end":"08:49","startHours":7.209452740290811,"endHours":8.812794653990549,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"10:25","end":"12:01","startHours":10.416136567690288,"endHours":12.019478481390024,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"13:37","end":"15:14","startHours":13.622820395089764,"endHours":15.226162308789501,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:36","end":"09:02","startHours":8.599015732163917,"endHours":9.026573575817181,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:08","end":"06:29","startHours":6.140558131157652,"endHours":6.482604406080263,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:36","end":"12:27","startHours":11.591920637736763,"endHours":12.447036325043289,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:54","end":"04:45","startHours":3.8958794519780193,"endHours":4.750995139284546,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:32","end":"05:36","startHours":4.537216217457914,"endHours":5.606110826591073,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:09","end":"15:01","startHours":14.157267699656344,"endHours":15.012383386962872,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:14","end":"18:38","startHours":18.23284613618898,"endHours":18.632846136188977,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:26","end":"18:58","startHours":18.432846136188978,"endHours":18.967293440755558,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:11","end":"19:56","startHours":18.182846136188978,"endHours":19.932846136188978,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:36","end":"00:27","startHours":23.59192063773676,"endHours":24.44703632504329,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Amṛta","start":"05:36","end":"07:13","startHours":5.606110826591073,"endHours":7.209452740290811,"quality":"auspicious"},{"name":"Kāla","start":"07:13","end":"08:49","startHours":7.209452740290811,"endHours":8.812794653990549,"quality":"inauspicious"},{"name":"Śubha","start":"08:49","end":"10:25","startHours":8.812794653990549,"endHours":10.416136567690288,"quality":"auspicious"},{"name":"Roga","start":"10:25","end":"12:01","startHours":10.416136567690288,"endHours":12.019478481390024,"quality":"inauspicious"},{"name":"Udveg","start":"12:01","end":"13:37","startHours":12.019478481390024,"endHours":13.622820395089764,"quality":"inauspicious"},{"name":"Chala","start":"13:37","end":"15:14","startHours":13.622820395089764,"endHours":15.226162308789501,"quality":"neutral"},{"name":"Labha","start":"15:14","end":"16:50","startHours":15.226162308789501,"endHours":16.829504222489238,"quality":"auspicious"},{"name":"Amṛta","start":"16:50","end":"18:26","startHours":16.829504222489238,"endHours":18.432846136188978,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Chala","start":"18:26","end":"19:50","startHours":18.432846136188978,"endHours":19.82950422248924,"quality":"neutral"},{"name":"Labha","start":"19:50","end":"21:14","startHours":19.82950422248924,"endHours":21.2261623087895,"quality":"auspicious"},{"name":"Amṛta","start":"21:14","end":"22:37","startHours":21.2261623087895,"endHours":22.622820395089764,"quality":"auspicious"},{"name":"Kāla","start":"22:37","end":"00:01","startHours":22.622820395089764,"endHours":24.019478481390024,"quality":"inauspicious"},{"name":"Śubha","start":"00:01","end":"01:25","startHours":24.019478481390024,"endHours":25.416136567690288,"quality":"auspicious"},{"name":"Roga","start":"01:25","end":"02:49","startHours":25.416136567690288,"endHours":26.81279465399055,"quality":"inauspicious"},{"name":"Udveg","start":"02:49","end":"04:13","startHours":26.81279465399055,"endHours":28.209452740290814,"quality":"inauspicious"},{"name":"Chala","start":"04:13","end":"05:36","startHours":28.209452740290814,"endHours":29.606110826591074,"quality":"neutral"}],"horas":[{"name":"Hora 1","start":"05:36","end":"06:36","startHours":5.606110826591073,"endHours":6.606110826591073,"planetary_lord":"Moon"},{"name":"Hora 2","start":"06:36","end":"07:36","startHours":6.606110826591073,"endHours":7.606110826591073,"planetary_lord":"Mercury"},{"name":"Hora 3","start":"07:36","end":"08:36","startHours":7.606110826591073,"endHours":8.606110826591074,"planetary_lord":"Venus"},{"name":"Hora 4","start":"08:36","end":"09:36","startHours":8.606110826591074,"endHours":9.606110826591074,"planetary_lord":"Sun"},{"name":"Hora 5","start":"09:36","end":"10:36","startHours":9.606110826591074,"endHours":10.606110826591074,"planetary_lord":"Mars"},{"name":"Hora 6","start":"10:36","end":"11:36","startHours":10.606110826591074,"endHours":11.606110826591074,"planetary_lord":"Jupiter"},{"name":"Hora 7","start":"11:36","end":"12:36","startHours":11.606110826591074,"endHours":12.606110826591074,"planetary_lord":"Saturn"},{"name":"Hora 8","start":"12:36","end":"13:36","startHours":12.606110826591074,"endHours":13.606110826591074,"planetary_lord":"Moon"},{"name":"Hora 9","start":"13:36","end":"14:36","startHours":13.606110826591074,"endHours":14.606110826591074,"planetary_lord":"Mercury"},{"name":"Hora 10","start":"14:36","end":"15:36","startHours":14.606110826591074,"endHours":15.606110826591074,"planetary_lord":"Venus"},{"name":"Hora 11","start":"15:36","end":"16:36","startHours":15.606110826591074,"endHours":16.606110826591074,"planetary_lord":"Sun"},{"name":"Hora 12","start":"16:36","end":"17:36","startHours":16.606110826591074,"endHours":17.606110826591074,"planetary_lord":"Mars"},{"name":"Hora 13","start":"17:36","end":"18:36","startHours":17.606110826591074,"endHours":18.606110826591074,"planetary_lord":"Jupiter"},{"name":"Hora 14","start":"18:36","end":"19:36","startHours":18.606110826591074,"endHours":19.606110826591074,"planetary_lord":"Saturn"},{"name":"Hora 15","start":"19:36","end":"20:36","startHours":19.606110826591074,"endHours":20.606110826591074,"planetary_lord":"Moon"},{"name":"Hora 16","start":"20:36","end":"21:36","startHours":20.606110826591074,"endHours":21.606110826591074,"planetary_lord":"Mercury"},{"name":"Hora 17","start":"21:36","end":"22:36","startHours":21.606110826591074,"endHours":22.606110826591074,"planetary_lord":"Venus"},{"name":"Hora 18","start":"22:36","end":"23:36","startHours":22.606110826591074,"endHours":23.606110826591074,"planetary_lord":"Sun"},{"name":"Hora 19","start":"23:36","end":"00:36","startHours":23.606110826591074,"endHours":24.606110826591074,"planetary_lord":"Mars"},{"name":"Hora 20","start":"00:36","end":"01:36","startHours":24.606110826591074,"endHours":25.606110826591074,"planetary_lord":"Jupiter"},{"name":"Hora 21","start":"01:36","end":"02:36","startHours":25.606110826591074,"endHours":26.606110826591074,"planetary_lord":"Saturn"},{"name":"Hora 22","start":"02:36","end":"03:36","startHours":26.606110826591074,"endHours":27.606110826591074,"planetary_lord":"Moon"},{"name":"Hora 23","start":"03:36","end":"04:36","startHours":27.606110826591074,"endHours":28.606110826591074,"planetary_lord":"Mercury"},{"name":"Hora 24","start":"04:36","end":"05:36","startHours":28.606110826591074,"endHours":29.606110826591074,"planetary_lord":"Venus"}],"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":["Vṛṣabha","Mithuna","Siṃha","Tulā","Makara","Kumbha"],"unfavorable_rashis":["Meṣa","Karka","Kanyā","Vṛścika","Dhanu","Mīna"]},"dishaShool":"East (Pūrva)","chandraVasa":"West","rahuVasa":"North-East","anandadiYoga":{"name":"Utpāta","quality":"Inauspicious"},"tropicalRitu":"Vasanta (Spring)","vedicRitu":"Vasanta (Spring)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":10.262789351401734,"eotMinutes":0.015291116598477705,"ayanamsa":19.4568}},"calendars":{"vikram_samvat":1742,"vikram_samvatsara":"Bahudhānya","saka_samvat":1607,"saka_samvatsara":"Krodhana","bengali_samvat":1092,"malayalam_era":861,"nanakshahi_year":216,"lunar_month":"Caitra","lunar_month_paksha_full":"Caitra Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Caitra","lunar_month_amanta":"Caitra","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Mēsha (Cittirai / Vaiśākhī)","ritu":"Vasanta (Spring)","display_summary":"Caitra Śukla Dvādaśī · Vikram 1742 Bahudhānya · Śaka 1607 Krodhana"},"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 April 16, 1685 CE · Ayodhyā · Vidhyamitra","description":"April 16, 1685 CE for Ayodhyā: Śukla Dvādaśī, sūryodaya 05:36, sūryāsta 18:26.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/ayodhya/1685-04-16","hreflang_alternates":{"en":"https://vidhyamitra.com/city/ayodhya/1685-04-16","sa":"https://sa.vidhyamitra.com/city/ayodhya/1685-04-16","hi":"https://hi.vidhyamitra.com/city/ayodhya/1685-04-16","x-default":"https://vidhyamitra.com/city/ayodhya/1685-04-16"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-04T00:48:42.200Z","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":"2026-06-04T00:48:42.200Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-04T00:48:42.200Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}