{"id":"vidhyamitra:city-day:ayodhya:1685-02-10:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/ayodhya/1685-02-10","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1685-02-10","date_display":"February 10, 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":2,"day":10,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2336534.770833,"kali_year":4786,"ahargana":1748069.2708,"sun":{"sidereal_longitude":303.4309,"rashi":11,"rashi_name":"Kumbha"},"moon":{"sidereal_longitude":18.5768,"rashi":1,"rashi_name":"Meṣa"},"tithi":{"number":7,"name":"Saptamī","paksha":"Śukla","full_name":"Śukla Saptamī","elongation_degrees":75.1459,"elapsed_within_tithi_degrees":3.1459},"nakshatra":{"number":2,"name":"Bharaṇī","pada":2,"moon_longitude":18.5768,"elapsed_within_degrees":5.2435},"yoga":{"number":25,"name":"Brahma","sum_longitude":322.0077},"karana":{"half_tithi_index":12,"name":"Gara"},"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":1685,"month":2,"day":10,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2336534.770833,"ahargana":1748069.2708,"kali_year":4786,"ayanamsa_lahiri":19.4543,"grahas":{"sun":{"sidereal_longitude":302.600647,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":3},"retrograde":false},"moon":{"sidereal_longitude":17.01334700000001,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":2},"retrograde":false,"latitude":-3.9079},"mars":{"sidereal_longitude":216.46094700000003,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":316.20094700000004,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":3},"retrograde":true},"jupiter":{"sidereal_longitude":187.30604700000004,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":1},"retrograde":true},"venus":{"sidereal_longitude":272.3255469999999,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":150.10454700000003,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":2},"retrograde":true},"rahu":{"sidereal_longitude":78.8777,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":258.8777,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":2},"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":2,"day":10,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2336534.770833,"kali_year":4786,"ahargana":1748069.2708,"sun":{"sidereal_longitude":303.4309,"rashi":11,"rashi_name":"Kumbha"},"moon":{"sidereal_longitude":18.5768,"rashi":1,"rashi_name":"Meṣa"},"tithi":{"number":7,"name":"Saptamī","paksha":"Śukla","full_name":"Śukla Saptamī","elongation_degrees":75.1459,"elapsed_within_tithi_degrees":3.1459},"nakshatra":{"number":2,"name":"Bharaṇī","pada":2,"moon_longitude":18.5768,"elapsed_within_degrees":5.2435},"yoga":{"number":25,"name":"Brahma","sum_longitude":322.0077},"karana":{"half_tithi_index":12,"name":"Gara"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-3.908,"elongation":75.146},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-3.908,"opposition_distance":104.854}},"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":"06:41","sunsetLocal":"17:50","solarNoonLocal":"12:16","dayLengthHours":11.153298642182637,"dayLengthDisplay":"11 Hours 09 Mins 12 Secs","nightLengthDisplay":"12 Hours 50 Mins 48 Secs","moonriseLocal":"10:42","moonsetLocal":"23:44","rahuKala":{"name":"Rāhu Kāla","start":"09:28","end":"10:52","startHours":9.473853430979744,"endHours":10.868015761252575,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"13:39","end":"15:03","startHours":13.656340421798234,"endHours":15.050502752071065,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"06:41","end":"08:05","startHours":6.685528770434086,"endHours":8.079691100706915,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:17","end":"09:40","startHours":9.287965120276702,"endHours":9.65974174168279,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:09","end":"07:27","startHours":7.150249547191696,"endHours":7.4476708443165665,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:53","end":"12:38","startHours":11.890401470119317,"endHours":12.633954712931493,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:12","end":"05:57","startHours":5.198422284809734,"endHours":5.94197552762191,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:45","end":"06:41","startHours":5.756087216918866,"endHours":6.685528770434086,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:07","end":"14:52","startHours":14.121061198555845,"endHours":14.86461444136802,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:38","end":"18:02","startHours":17.638827412616724,"endHours":18.038827412616723,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:50","end":"18:18","startHours":17.838827412616723,"endHours":18.303548189374332,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:35","end":"19:20","startHours":17.588827412616723,"endHours":19.338827412616723,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:53","end":"00:38","startHours":23.89040147011932,"endHours":24.633954712931494,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Kāla","start":"06:41","end":"08:05","startHours":6.685528770434086,"endHours":8.079691100706915,"quality":"inauspicious"},{"name":"Śubha","start":"08:05","end":"09:28","startHours":8.079691100706915,"endHours":9.473853430979744,"quality":"auspicious"},{"name":"Roga","start":"09:28","end":"10:52","startHours":9.473853430979744,"endHours":10.868015761252575,"quality":"inauspicious"},{"name":"Udveg","start":"10:52","end":"12:16","startHours":10.868015761252575,"endHours":12.262178091525405,"quality":"inauspicious"},{"name":"Chala","start":"12:16","end":"13:39","startHours":12.262178091525405,"endHours":13.656340421798234,"quality":"neutral"},{"name":"Labha","start":"13:39","end":"15:03","startHours":13.656340421798234,"endHours":15.050502752071065,"quality":"auspicious"},{"name":"Amṛta","start":"15:03","end":"16:27","startHours":15.050502752071065,"endHours":16.444665082343896,"quality":"auspicious"},{"name":"Kāla","start":"16:27","end":"17:50","startHours":16.444665082343896,"endHours":17.838827412616723,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Labha","start":"17:50","end":"19:27","startHours":17.838827412616723,"endHours":19.444665082343892,"quality":"auspicious"},{"name":"Amṛta","start":"19:27","end":"21:03","startHours":19.444665082343892,"endHours":21.050502752071065,"quality":"auspicious"},{"name":"Kāla","start":"21:03","end":"22:39","startHours":21.050502752071065,"endHours":22.656340421798234,"quality":"inauspicious"},{"name":"Śubha","start":"22:39","end":"00:16","startHours":22.656340421798234,"endHours":24.262178091525406,"quality":"auspicious"},{"name":"Roga","start":"00:16","end":"01:52","startHours":24.262178091525406,"endHours":25.868015761252575,"quality":"inauspicious"},{"name":"Udveg","start":"01:52","end":"03:28","startHours":25.868015761252575,"endHours":27.473853430979744,"quality":"inauspicious"},{"name":"Chala","start":"03:28","end":"05:05","startHours":27.473853430979744,"endHours":29.079691100706917,"quality":"neutral"},{"name":"Labha","start":"05:05","end":"06:41","startHours":29.079691100706917,"endHours":30.685528770434086,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:41","end":"07:41","startHours":6.685528770434086,"endHours":7.685528770434086,"planetary_lord":"Saturn"},{"name":"Hora 2","start":"07:41","end":"08:41","startHours":7.685528770434086,"endHours":8.685528770434086,"planetary_lord":"Moon"},{"name":"Hora 3","start":"08:41","end":"09:41","startHours":8.685528770434086,"endHours":9.685528770434086,"planetary_lord":"Mercury"},{"name":"Hora 4","start":"09:41","end":"10:41","startHours":9.685528770434086,"endHours":10.685528770434086,"planetary_lord":"Venus"},{"name":"Hora 5","start":"10:41","end":"11:41","startHours":10.685528770434086,"endHours":11.685528770434086,"planetary_lord":"Sun"},{"name":"Hora 6","start":"11:41","end":"12:41","startHours":11.685528770434086,"endHours":12.685528770434086,"planetary_lord":"Mars"},{"name":"Hora 7","start":"12:41","end":"13:41","startHours":12.685528770434086,"endHours":13.685528770434086,"planetary_lord":"Jupiter"},{"name":"Hora 8","start":"13:41","end":"14:41","startHours":13.685528770434086,"endHours":14.685528770434086,"planetary_lord":"Saturn"},{"name":"Hora 9","start":"14:41","end":"15:41","startHours":14.685528770434086,"endHours":15.685528770434086,"planetary_lord":"Moon"},{"name":"Hora 10","start":"15:41","end":"16:41","startHours":15.685528770434086,"endHours":16.685528770434086,"planetary_lord":"Mercury"},{"name":"Hora 11","start":"16:41","end":"17:41","startHours":16.685528770434086,"endHours":17.685528770434086,"planetary_lord":"Venus"},{"name":"Hora 12","start":"17:41","end":"18:41","startHours":17.685528770434086,"endHours":18.685528770434086,"planetary_lord":"Sun"},{"name":"Hora 13","start":"18:41","end":"19:41","startHours":18.685528770434086,"endHours":19.685528770434086,"planetary_lord":"Mars"},{"name":"Hora 14","start":"19:41","end":"20:41","startHours":19.685528770434086,"endHours":20.685528770434086,"planetary_lord":"Jupiter"},{"name":"Hora 15","start":"20:41","end":"21:41","startHours":20.685528770434086,"endHours":21.685528770434086,"planetary_lord":"Saturn"},{"name":"Hora 16","start":"21:41","end":"22:41","startHours":21.685528770434086,"endHours":22.685528770434086,"planetary_lord":"Moon"},{"name":"Hora 17","start":"22:41","end":"23:41","startHours":22.685528770434086,"endHours":23.685528770434086,"planetary_lord":"Mercury"},{"name":"Hora 18","start":"23:41","end":"00:41","startHours":23.685528770434086,"endHours":24.685528770434086,"planetary_lord":"Venus"},{"name":"Hora 19","start":"00:41","end":"01:41","startHours":24.685528770434086,"endHours":25.685528770434086,"planetary_lord":"Sun"},{"name":"Hora 20","start":"01:41","end":"02:41","startHours":25.685528770434086,"endHours":26.685528770434086,"planetary_lord":"Mars"},{"name":"Hora 21","start":"02:41","end":"03:41","startHours":26.685528770434086,"endHours":27.685528770434086,"planetary_lord":"Jupiter"},{"name":"Hora 22","start":"03:41","end":"04:41","startHours":27.685528770434086,"endHours":28.685528770434086,"planetary_lord":"Saturn"},{"name":"Hora 23","start":"04:41","end":"05:41","startHours":28.685528770434086,"endHours":29.685528770434086,"planetary_lord":"Moon"},{"name":"Hora 24","start":"05:41","end":"06:41","startHours":29.685528770434086,"endHours":30.685528770434086,"planetary_lord":"Mercury"}],"taraBala":{"favorable_nakshatras":["Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Uttara Phalgunī","Hasta","Citrā","Svātī","Viśākhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Bhādrapadā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Mithuna","Kanyā","Tulā","Makara","Kumbha"],"unfavorable_rashis":["Vṛṣabha","Karka","Siṃha","Vṛścika","Dhanu","Mīna"]},"dishaShool":"East (Pūrva)","chandraVasa":"East","rahuVasa":"East","anandadiYoga":{"name":"Cara","quality":"Auspicious"},"tropicalRitu":"Śiśira (Winter)","vedicRitu":"Śiśira (Winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-14.156297755153508,"eotMinutes":-14.546685491524224,"ayanamsa":19.4543}},"calendars":{"vikram_samvat":1742,"vikram_samvatsara":"Bahudhānya","saka_samvat":1607,"saka_samvatsara":"Krodhana","bengali_samvat":1092,"malayalam_era":861,"nanakshahi_year":216,"lunar_month":"Māgha","lunar_month_paksha_full":"Māgha Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Māgha","lunar_month_amanta":"Māgha","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Kumbha (Māsi)","ritu":"Śiśira (Winter)","display_summary":"Māgha Śukla Saptamī · Vikram 1742 Bahudhānya · Śaka 1607 Krodhana"},"festivals":[],"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":[]},"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 February 10, 1685 CE · Ayodhyā · Vidhyamitra","description":"February 10, 1685 CE for Ayodhyā: Śukla Saptamī, sūryodaya 06:41, sūryāsta 17:50.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/ayodhya/1685-02-10","hreflang_alternates":{"en":"https://vidhyamitra.com/city/ayodhya/1685-02-10","sa":"https://sa.vidhyamitra.com/city/ayodhya/1685-02-10","hi":"https://hi.vidhyamitra.com/city/ayodhya/1685-02-10","x-default":"https://vidhyamitra.com/city/ayodhya/1685-02-10"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-03T11:26:46.686Z","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":"2026-06-03T11:26:46.686Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-03T11:26:46.686Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}