{"id":"vidhyamitra:city-day:ayodhya:1666-01-23:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/ayodhya/1666-01-23","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1666-01-23","date_display":"January 23, 1666 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":1666,"month":1,"day":23,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2329576.770833,"kali_year":4767,"ahargana":1741111.2708,"sun":{"sidereal_longitude":285.0032,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":132.2261,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":18,"name":"Tṛtīyā","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Tṛtīyā","elongation_degrees":207.2229,"elapsed_within_tithi_degrees":3.2229},"nakshatra":{"number":10,"name":"Maghā","pada":4,"moon_longitude":132.2261,"elapsed_within_degrees":12.2261},"yoga":{"number":5,"name":"Śobhana","sum_longitude":57.2294},"karana":{"half_tithi_index":34,"name":"Vaṇija"},"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":1666,"month":1,"day":23,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2329576.770833,"ahargana":1741111.2708,"kali_year":4767,"ayanamsa_lahiri":19.1882,"grahas":{"sun":{"sidereal_longitude":284.23439299999995,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":2},"retrograde":false},"moon":{"sidereal_longitude":133.683693,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":1},"retrograde":false,"latitude":3.1625},"mars":{"sidereal_longitude":171.52289299999995,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":305.9437929999999,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":313.085693,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":2},"retrograde":false},"venus":{"sidereal_longitude":265.97399300000006,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":269.557693,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":1},"retrograde":false},"rahu":{"sidereal_longitude":87.5461,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":267.5461,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":21,"name":"Uttara 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":1666,"month":1,"day":23,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2329576.770833,"kali_year":4767,"ahargana":1741111.2708,"sun":{"sidereal_longitude":285.0032,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":132.2261,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":18,"name":"Tṛtīyā","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Tṛtīyā","elongation_degrees":207.2229,"elapsed_within_tithi_degrees":3.2229},"nakshatra":{"number":10,"name":"Maghā","pada":4,"moon_longitude":132.2261,"elapsed_within_degrees":12.2261},"yoga":{"number":5,"name":"Śobhana","sum_longitude":57.2294},"karana":{"half_tithi_index":34,"name":"Vaṇija"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":3.163,"elongation":152.777},"lunar":{"type":"lunar","occurs":false,"moon_latitude":3.163,"opposition_distance":27.223}},"eclipse_window_40days":[{"offset_days":-18,"type":"solar","occurs":true,"moon_latitude":0.344,"elongation":2.428},{"offset_days":-2,"type":"lunar","occurs":true,"moon_latitude":1.239,"opposition_distance":0.691}]},"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":"06:50","sunsetLocal":"17:36","solarNoonLocal":"12:13","dayLengthHours":10.768613159835077,"dayLengthDisplay":"10 Hours 46 Mins 07 Secs","nightLengthDisplay":"13 Hours 13 Mins 53 Secs","moonriseLocal":"19:47","moonsetLocal":"08:35","rahuKala":{"name":"Rāhu Kāla","start":"09:31","end":"10:52","startHours":9.524333336376529,"endHours":10.870409981355913,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"13:34","end":"14:55","startHours":13.562563271314682,"endHours":14.908639916294067,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"06:50","end":"08:11","startHours":6.832180046417759,"endHours":8.178256691397143,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:21","end":"09:42","startHours":9.344856450379277,"endHours":9.703810222373779,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:17","end":"07:34","startHours":7.280872261410887,"endHours":7.568035279006489,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:51","end":"12:35","startHours":11.857532854340795,"endHours":12.575440398329798,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:24","end":"06:07","startHours":5.396364958439748,"endHours":6.114272502428753,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:56","end":"06:50","startHours":5.9347956164315026,"endHours":6.832180046417759,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:01","end":"14:44","startHours":14.01125548630781,"endHours":14.729163030296816,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:24","end":"17:48","startHours":17.400793206252835,"endHours":17.800793206252834,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:36","end":"18:03","startHours":17.600793206252835,"endHours":18.04948542124596,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:21","end":"19:06","startHours":17.350793206252835,"endHours":19.100793206252835,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:51","end":"00:35","startHours":23.857532854340793,"endHours":24.5754403983298,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Kāla","start":"06:50","end":"08:11","startHours":6.832180046417759,"endHours":8.178256691397143,"quality":"inauspicious"},{"name":"Śubha","start":"08:11","end":"09:31","startHours":8.178256691397143,"endHours":9.524333336376529,"quality":"auspicious"},{"name":"Roga","start":"09:31","end":"10:52","startHours":9.524333336376529,"endHours":10.870409981355913,"quality":"inauspicious"},{"name":"Udveg","start":"10:52","end":"12:13","startHours":10.870409981355913,"endHours":12.216486626335296,"quality":"inauspicious"},{"name":"Chala","start":"12:13","end":"13:34","startHours":12.216486626335296,"endHours":13.562563271314682,"quality":"neutral"},{"name":"Labha","start":"13:34","end":"14:55","startHours":13.562563271314682,"endHours":14.908639916294067,"quality":"auspicious"},{"name":"Amṛta","start":"14:55","end":"16:15","startHours":14.908639916294067,"endHours":16.25471656127345,"quality":"auspicious"},{"name":"Kāla","start":"16:15","end":"17:36","startHours":16.25471656127345,"endHours":17.600793206252835,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Labha","start":"17:36","end":"19:15","startHours":17.600793206252835,"endHours":19.25471656127345,"quality":"auspicious"},{"name":"Amṛta","start":"19:15","end":"20:55","startHours":19.25471656127345,"endHours":20.908639916294064,"quality":"auspicious"},{"name":"Kāla","start":"20:55","end":"22:34","startHours":20.908639916294064,"endHours":22.56256327131468,"quality":"inauspicious"},{"name":"Śubha","start":"22:34","end":"00:13","startHours":22.56256327131468,"endHours":24.216486626335296,"quality":"auspicious"},{"name":"Roga","start":"00:13","end":"01:52","startHours":24.216486626335296,"endHours":25.870409981355913,"quality":"inauspicious"},{"name":"Udveg","start":"01:52","end":"03:31","startHours":25.870409981355913,"endHours":27.52433333637653,"quality":"inauspicious"},{"name":"Chala","start":"03:31","end":"05:11","startHours":27.52433333637653,"endHours":29.17825669139714,"quality":"neutral"},{"name":"Labha","start":"05:11","end":"06:50","startHours":29.17825669139714,"endHours":30.832180046417758,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:50","end":"07:50","startHours":6.832180046417759,"endHours":7.832180046417759,"planetary_lord":"Saturn"},{"name":"Hora 2","start":"07:50","end":"08:50","startHours":7.832180046417759,"endHours":8.832180046417758,"planetary_lord":"Moon"},{"name":"Hora 3","start":"08:50","end":"09:50","startHours":8.832180046417758,"endHours":9.832180046417758,"planetary_lord":"Mercury"},{"name":"Hora 4","start":"09:50","end":"10:50","startHours":9.832180046417758,"endHours":10.832180046417758,"planetary_lord":"Venus"},{"name":"Hora 5","start":"10:50","end":"11:50","startHours":10.832180046417758,"endHours":11.832180046417758,"planetary_lord":"Sun"},{"name":"Hora 6","start":"11:50","end":"12:50","startHours":11.832180046417758,"endHours":12.832180046417758,"planetary_lord":"Mars"},{"name":"Hora 7","start":"12:50","end":"13:50","startHours":12.832180046417758,"endHours":13.832180046417758,"planetary_lord":"Jupiter"},{"name":"Hora 8","start":"13:50","end":"14:50","startHours":13.832180046417758,"endHours":14.832180046417758,"planetary_lord":"Saturn"},{"name":"Hora 9","start":"14:50","end":"15:50","startHours":14.832180046417758,"endHours":15.832180046417758,"planetary_lord":"Moon"},{"name":"Hora 10","start":"15:50","end":"16:50","startHours":15.832180046417758,"endHours":16.832180046417758,"planetary_lord":"Mercury"},{"name":"Hora 11","start":"16:50","end":"17:50","startHours":16.832180046417758,"endHours":17.832180046417758,"planetary_lord":"Venus"},{"name":"Hora 12","start":"17:50","end":"18:50","startHours":17.832180046417758,"endHours":18.832180046417758,"planetary_lord":"Sun"},{"name":"Hora 13","start":"18:50","end":"19:50","startHours":18.832180046417758,"endHours":19.832180046417758,"planetary_lord":"Mars"},{"name":"Hora 14","start":"19:50","end":"20:50","startHours":19.832180046417758,"endHours":20.832180046417758,"planetary_lord":"Jupiter"},{"name":"Hora 15","start":"20:50","end":"21:50","startHours":20.832180046417758,"endHours":21.832180046417758,"planetary_lord":"Saturn"},{"name":"Hora 16","start":"21:50","end":"22:50","startHours":21.832180046417758,"endHours":22.832180046417758,"planetary_lord":"Moon"},{"name":"Hora 17","start":"22:50","end":"23:50","startHours":22.832180046417758,"endHours":23.832180046417758,"planetary_lord":"Mercury"},{"name":"Hora 18","start":"23:50","end":"00:50","startHours":23.832180046417758,"endHours":24.832180046417758,"planetary_lord":"Venus"},{"name":"Hora 19","start":"00:50","end":"01:50","startHours":24.832180046417758,"endHours":25.832180046417758,"planetary_lord":"Sun"},{"name":"Hora 20","start":"01:50","end":"02:50","startHours":25.832180046417758,"endHours":26.832180046417758,"planetary_lord":"Mars"},{"name":"Hora 21","start":"02:50","end":"03:50","startHours":26.832180046417758,"endHours":27.832180046417758,"planetary_lord":"Jupiter"},{"name":"Hora 22","start":"03:50","end":"04:50","startHours":27.832180046417758,"endHours":28.832180046417758,"planetary_lord":"Saturn"},{"name":"Hora 23","start":"04:50","end":"05:50","startHours":28.832180046417758,"endHours":29.832180046417758,"planetary_lord":"Moon"},{"name":"Hora 24","start":"05:50","end":"06:50","startHours":29.832180046417758,"endHours":30.832180046417758,"planetary_lord":"Mercury"}],"taraBala":{"favorable_nakshatras":["Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Svātī","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj"],"unfavorable_nakshatras":["Aśvinī","Punarvasu","Puṣya","Aśleṣā","Maghā","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Bhādrapadā","Uttara Bhādrapadā","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":"East","anandadiYoga":{"name":"Dhvānkṣa","quality":"Inauspicious"},"tropicalRitu":"Śiśira (Winter) (tropical)","vedicRitu":"Hemanta (Pre-winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-19.387766667975605,"eotMinutes":-11.805197580117738,"ayanamsa":19.1882}},"calendars":{"vikram_samvat":1723,"vikram_samvatsara":"Siddhārthī","saka_samvat":1588,"saka_samvatsara":"Parābhava","bengali_samvat":1073,"malayalam_era":842,"nanakshahi_year":197,"lunar_month":"Māgha","lunar_month_paksha_full":"Māgha Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Māgha","lunar_month_amanta":"Pauṣa","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":"Māgha Kṛṣṇa Tṛtīyā · Vikram 1723 Siddhārthī · Śaka 1588 Parābhava"},"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 January 23, 1666 CE · Ayodhyā · Vidhyamitra","description":"January 23, 1666 CE for Ayodhyā: Kṛṣṇa Tṛtīyā, sūryodaya 06:50, sūryāsta 17:36.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/ayodhya/1666-01-23","hreflang_alternates":{"en":"https://vidhyamitra.com/city/ayodhya/1666-01-23","sa":"https://sa.vidhyamitra.com/city/ayodhya/1666-01-23","hi":"https://hi.vidhyamitra.com/city/ayodhya/1666-01-23","x-default":"https://vidhyamitra.com/city/ayodhya/1666-01-23"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-05T01:32:47.149Z","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":"2026-06-05T01:32:47.149Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-05T01:32:47.149Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}