{"id":"vidhyamitra:city-day:ayodhya:1665-02-06:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/ayodhya/1665-02-06","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1665-02-06","date_display":"February 6, 1665 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":1665,"month":2,"day":6,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2329225.770833,"kali_year":4766,"ahargana":1740760.2708,"sun":{"sidereal_longitude":299.5465,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":194.6575,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":22,"name":"Saptamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Saptamī","elongation_degrees":255.111,"elapsed_within_tithi_degrees":3.111},"nakshatra":{"number":15,"name":"Svātī","pada":3,"moon_longitude":194.6575,"elapsed_within_degrees":7.9908},"yoga":{"number":11,"name":"Vṛddhi","sum_longitude":134.204},"karana":{"half_tithi_index":42,"name":"Viṣṭi"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"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":1665,"month":2,"day":6,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2329225.770833,"ahargana":1740760.2708,"kali_year":4766,"ayanamsa_lahiri":19.1747,"grahas":{"sun":{"sidereal_longitude":298.688404,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":2},"retrograde":false},"moon":{"sidereal_longitude":197.12330399999996,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":4},"retrograde":false,"latitude":4.4985},"mars":{"sidereal_longitude":311.40140399999996,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":321.19140400000003,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":289.44030399999997,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":3},"retrograde":false},"venus":{"sidereal_longitude":338.46930399999997,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":261.036704,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":3},"retrograde":false},"rahu":{"sidereal_longitude":106.1437,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":286.1437,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","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":1665,"month":2,"day":6,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2329225.770833,"kali_year":4766,"ahargana":1740760.2708,"sun":{"sidereal_longitude":299.5465,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":194.6575,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":22,"name":"Saptamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Saptamī","elongation_degrees":255.111,"elapsed_within_tithi_degrees":3.111},"nakshatra":{"number":15,"name":"Svātī","pada":3,"moon_longitude":194.6575,"elapsed_within_degrees":7.9908},"yoga":{"number":11,"name":"Vṛddhi","sum_longitude":134.204},"karana":{"half_tithi_index":42,"name":"Viṣṭi"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":4.498,"elongation":104.889},"lunar":{"type":"lunar","occurs":false,"moon_latitude":4.498,"opposition_distance":75.111}},"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":"06:44","sunsetLocal":"17:47","solarNoonLocal":"12:15","dayLengthHours":11.058304043660407,"dayLengthDisplay":"11 Hours 03 Mins 30 Secs","nightLengthDisplay":"12 Hours 56 Mins 30 Secs","moonriseLocal":"23:55","moonsetLocal":"11:04","rahuKala":{"name":"Rāhu Kāla","start":"10:53","end":"12:15","startHours":10.875700879833737,"endHours":12.257988885291287,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"15:01","end":"16:24","startHours":15.02256489620639,"endHours":16.40485290166394,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"08:07","end":"09:30","startHours":8.111124868918635,"endHours":9.493412874376187,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:19","end":"09:41","startHours":9.309107806981846,"endHours":9.677717941770526,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:11","end":"07:29","startHours":7.189599531946935,"endHours":7.484487639777879,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:53","end":"12:38","startHours":11.889378750502607,"endHours":12.626599020079967,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:15","end":"05:59","startHours":5.254396324306363,"endHours":5.991616593883724,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:48","end":"06:44","startHours":5.807311526489384,"endHours":6.728836863461084,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:06","end":"14:50","startHours":14.101039559234689,"endHours":14.838259828812049,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:35","end":"17:59","startHours":17.58714090712149,"endHours":17.98714090712149,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:47","end":"18:15","startHours":17.78714090712149,"endHours":18.24790357560734,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:32","end":"19:17","startHours":17.53714090712149,"endHours":19.28714090712149,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:53","end":"00:38","startHours":23.889378750502605,"endHours":24.62659902007997,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Chala","start":"06:44","end":"08:07","startHours":6.728836863461084,"endHours":8.111124868918635,"quality":"neutral"},{"name":"Labha","start":"08:07","end":"09:30","startHours":8.111124868918635,"endHours":9.493412874376187,"quality":"auspicious"},{"name":"Amṛta","start":"09:30","end":"10:53","startHours":9.493412874376187,"endHours":10.875700879833737,"quality":"auspicious"},{"name":"Kāla","start":"10:53","end":"12:15","startHours":10.875700879833737,"endHours":12.257988885291287,"quality":"inauspicious"},{"name":"Śubha","start":"12:15","end":"13:38","startHours":12.257988885291287,"endHours":13.640276890748838,"quality":"auspicious"},{"name":"Roga","start":"13:38","end":"15:01","startHours":13.640276890748838,"endHours":15.02256489620639,"quality":"inauspicious"},{"name":"Udveg","start":"15:01","end":"16:24","startHours":15.02256489620639,"endHours":16.40485290166394,"quality":"inauspicious"},{"name":"Chala","start":"16:24","end":"17:47","startHours":16.40485290166394,"endHours":17.78714090712149,"quality":"neutral"}],"nightChoghadiyas":[{"name":"Roga","start":"17:47","end":"19:24","startHours":17.78714090712149,"endHours":19.40485290166394,"quality":"inauspicious"},{"name":"Udveg","start":"19:24","end":"21:01","startHours":19.40485290166394,"endHours":21.02256489620639,"quality":"inauspicious"},{"name":"Chala","start":"21:01","end":"22:38","startHours":21.02256489620639,"endHours":22.640276890748837,"quality":"neutral"},{"name":"Labha","start":"22:38","end":"00:15","startHours":22.640276890748837,"endHours":24.257988885291287,"quality":"auspicious"},{"name":"Amṛta","start":"00:15","end":"01:53","startHours":24.257988885291287,"endHours":25.875700879833737,"quality":"auspicious"},{"name":"Kāla","start":"01:53","end":"03:30","startHours":25.875700879833737,"endHours":27.493412874376183,"quality":"inauspicious"},{"name":"Śubha","start":"03:30","end":"05:07","startHours":27.493412874376183,"endHours":29.111124868918633,"quality":"auspicious"},{"name":"Roga","start":"05:07","end":"06:44","startHours":29.111124868918633,"endHours":30.728836863461083,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"06:44","end":"07:44","startHours":6.728836863461084,"endHours":7.728836863461084,"planetary_lord":"Venus"},{"name":"Hora 2","start":"07:44","end":"08:44","startHours":7.728836863461084,"endHours":8.728836863461083,"planetary_lord":"Sun"},{"name":"Hora 3","start":"08:44","end":"09:44","startHours":8.728836863461083,"endHours":9.728836863461083,"planetary_lord":"Mars"},{"name":"Hora 4","start":"09:44","end":"10:44","startHours":9.728836863461083,"endHours":10.728836863461083,"planetary_lord":"Jupiter"},{"name":"Hora 5","start":"10:44","end":"11:44","startHours":10.728836863461083,"endHours":11.728836863461083,"planetary_lord":"Saturn"},{"name":"Hora 6","start":"11:44","end":"12:44","startHours":11.728836863461083,"endHours":12.728836863461083,"planetary_lord":"Moon"},{"name":"Hora 7","start":"12:44","end":"13:44","startHours":12.728836863461083,"endHours":13.728836863461083,"planetary_lord":"Mercury"},{"name":"Hora 8","start":"13:44","end":"14:44","startHours":13.728836863461083,"endHours":14.728836863461083,"planetary_lord":"Venus"},{"name":"Hora 9","start":"14:44","end":"15:44","startHours":14.728836863461083,"endHours":15.728836863461083,"planetary_lord":"Sun"},{"name":"Hora 10","start":"15:44","end":"16:44","startHours":15.728836863461083,"endHours":16.728836863461083,"planetary_lord":"Mars"},{"name":"Hora 11","start":"16:44","end":"17:44","startHours":16.728836863461083,"endHours":17.728836863461083,"planetary_lord":"Jupiter"},{"name":"Hora 12","start":"17:44","end":"18:44","startHours":17.728836863461083,"endHours":18.728836863461083,"planetary_lord":"Saturn"},{"name":"Hora 13","start":"18:44","end":"19:44","startHours":18.728836863461083,"endHours":19.728836863461083,"planetary_lord":"Moon"},{"name":"Hora 14","start":"19:44","end":"20:44","startHours":19.728836863461083,"endHours":20.728836863461083,"planetary_lord":"Mercury"},{"name":"Hora 15","start":"20:44","end":"21:44","startHours":20.728836863461083,"endHours":21.728836863461083,"planetary_lord":"Venus"},{"name":"Hora 16","start":"21:44","end":"22:44","startHours":21.728836863461083,"endHours":22.728836863461083,"planetary_lord":"Sun"},{"name":"Hora 17","start":"22:44","end":"23:44","startHours":22.728836863461083,"endHours":23.728836863461083,"planetary_lord":"Mars"},{"name":"Hora 18","start":"23:44","end":"00:44","startHours":23.728836863461083,"endHours":24.728836863461083,"planetary_lord":"Jupiter"},{"name":"Hora 19","start":"00:44","end":"01:44","startHours":24.728836863461083,"endHours":25.728836863461083,"planetary_lord":"Saturn"},{"name":"Hora 20","start":"01:44","end":"02:44","startHours":25.728836863461083,"endHours":26.728836863461083,"planetary_lord":"Moon"},{"name":"Hora 21","start":"02:44","end":"03:44","startHours":26.728836863461083,"endHours":27.728836863461083,"planetary_lord":"Mercury"},{"name":"Hora 22","start":"03:44","end":"04:44","startHours":27.728836863461083,"endHours":28.728836863461083,"planetary_lord":"Venus"},{"name":"Hora 23","start":"04:44","end":"05:44","startHours":28.728836863461083,"endHours":29.728836863461083,"planetary_lord":"Sun"},{"name":"Hora 24","start":"05:44","end":"06:44","startHours":29.728836863461083,"endHours":30.728836863461083,"planetary_lord":"Mars"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Punarvasu","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Uttara Phalgunī","Hasta","Citrā","Svātī","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Karka","Siṃha","Tulā","Dhanu","Mīna"],"unfavorable_rashis":["Vṛṣabha","Mithuna","Kanyā","Vṛścika","Makara","Kumbha"]},"dishaShool":"West (Paścim)","chandraVasa":"North","rahuVasa":"South-East","anandadiYoga":{"name":"Dhvaja","quality":"Auspicious"},"tropicalRitu":"Śiśira (Winter) (tropical)","vedicRitu":"Hemanta (Pre-winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-15.476339022414717,"eotMinutes":-14.295333117477217,"ayanamsa":19.1747}},"calendars":{"vikram_samvat":1722,"vikram_samvatsara":"Kālayukta","saka_samvat":1587,"saka_samvatsara":"Viśvāvasu","bengali_samvat":1072,"malayalam_era":841,"nanakshahi_year":196,"lunar_month":"Phālguna","lunar_month_paksha_full":"Phālguna Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Phālguna","lunar_month_amanta":"Māgha","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Makara (Tai)","ritu":"Śiśira (Winter)","display_summary":"Phālguna Kṛṣṇa Saptamī · Vikram 1722 Kālayukta · Śaka 1587 Viśvāvasu"},"festivals":[{"id":"kumbha-sankranti","name":"Kumbha Saṅkrānti","name_sanskrit":"कुम्भ सङ्क्रान्ति","tradition":"Pan-Hindu","associated_deity":"Sūrya Bhagavān","significance":"Sun enters Aquarius; Kumbha-māsa begins.","vrata":false,"detection":{"sun_rashi_ingress":"Kumbha"},"precedence":5}],"todays_walk":{"walk":{"id":"shukra-walk","name":"Śukra Walk","name_sanskrit":"शुक्र यात्रा","type":"graha","description":"Beauty + creativity in dharma + BG 10.36.","step_count":5,"url":"/walk/shukra-walk"},"reason":"Śukravāra (Friday) — 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 6, 1665 CE · Ayodhyā · Vidhyamitra","description":"February 6, 1665 CE for Ayodhyā: Kṛṣṇa Saptamī, sūryodaya 06:44, sūryāsta 17:47.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/ayodhya/1665-02-06","hreflang_alternates":{"en":"https://vidhyamitra.com/city/ayodhya/1665-02-06","sa":"https://sa.vidhyamitra.com/city/ayodhya/1665-02-06","hi":"https://hi.vidhyamitra.com/city/ayodhya/1665-02-06","x-default":"https://vidhyamitra.com/city/ayodhya/1665-02-06"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-04T17:47:23.250Z","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":"2026-06-04T17:47:23.250Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-04T17:47:23.250Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}