{"id":"vidhyamitra:city-day:ayodhya:1666-02-22:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/ayodhya/1666-02-22","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1666-02-22","date_display":"February 22, 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":2,"day":22,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2329606.770833,"kali_year":4767,"ahargana":1741141.2708,"sun":{"sidereal_longitude":315.4788,"rashi":11,"rashi_name":"Kumbha"},"moon":{"sidereal_longitude":170.8543,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":18,"name":"Tṛtīyā","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Tṛtīyā","elongation_degrees":215.3755,"elapsed_within_tithi_degrees":11.3755},"nakshatra":{"number":13,"name":"Hasta","pada":4,"moon_longitude":170.8543,"elapsed_within_degrees":10.8543},"yoga":{"number":10,"name":"Gaṇḍa","sum_longitude":126.3332},"karana":{"half_tithi_index":35,"name":"Viṣṭi"},"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":1666,"month":2,"day":22,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2329606.770833,"ahargana":1741141.2708,"kali_year":4767,"ayanamsa_lahiri":19.1893,"grahas":{"sun":{"sidereal_longitude":314.55864700000006,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":3},"retrograde":false},"moon":{"sidereal_longitude":172.58824700000002,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":4},"retrograde":false,"latitude":4.4821},"mars":{"sidereal_longitude":171.72224699999992,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":293.06964700000003,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":320.219147,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":1},"retrograde":false},"venus":{"sidereal_longitude":303.40594699999997,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":272.703847,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":2},"retrograde":false},"rahu":{"sidereal_longitude":85.9565,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":265.9565,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":4},"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":2,"day":22,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2329606.770833,"kali_year":4767,"ahargana":1741141.2708,"sun":{"sidereal_longitude":315.4788,"rashi":11,"rashi_name":"Kumbha"},"moon":{"sidereal_longitude":170.8543,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":18,"name":"Tṛtīyā","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Tṛtīyā","elongation_degrees":215.3755,"elapsed_within_tithi_degrees":11.3755},"nakshatra":{"number":13,"name":"Hasta","pada":4,"moon_longitude":170.8543,"elapsed_within_degrees":10.8543},"yoga":{"number":10,"name":"Gaṇḍa","sum_longitude":126.3332},"karana":{"half_tithi_index":35,"name":"Viṣṭi"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":4.482,"elongation":144.625},"lunar":{"type":"lunar","occurs":false,"moon_latitude":4.482,"opposition_distance":35.375}},"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":"06:32","sunsetLocal":"17:58","solarNoonLocal":"12:15","dayLengthHours":11.436272338106829,"dayLengthDisplay":"11 Hours 26 Mins 11 Secs","nightLengthDisplay":"12 Hours 33 Mins 49 Secs","moonriseLocal":"20:54","moonsetLocal":"08:41","rahuKala":{"name":"Rāhu Kāla","start":"07:58","end":"09:24","startHours":7.965877205791484,"endHours":9.395411248054838,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"10:49","end":"12:15","startHours":10.82494529031819,"endHours":12.254479332581544,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"13:41","end":"15:07","startHours":13.684013374844898,"endHours":15.11354741710825,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:12","end":"09:35","startHours":9.204806709086391,"endHours":9.586015787023285,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:01","end":"07:19","startHours":7.012854510949248,"endHours":7.317821773298764,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:52","end":"12:38","startHours":11.87327025464465,"endHours":12.635688410518439,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:01","end":"05:46","startHours":5.0115068517805526,"endHours":5.773925007654341,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:35","end":"06:32","startHours":5.583320468685894,"endHours":6.53634316352813,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:10","end":"14:55","startHours":14.160524722266016,"endHours":14.922942878139805,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:46","end":"18:10","startHours":17.77261550163496,"endHours":18.172615501634958,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:58","end":"18:27","startHours":17.97261550163496,"endHours":18.449126849056075,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:43","end":"19:28","startHours":17.72261550163496,"endHours":19.47261550163496,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:52","end":"00:38","startHours":23.873270254644652,"endHours":24.63568841051844,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Amṛta","start":"06:32","end":"07:58","startHours":6.53634316352813,"endHours":7.965877205791484,"quality":"auspicious"},{"name":"Kāla","start":"07:58","end":"09:24","startHours":7.965877205791484,"endHours":9.395411248054838,"quality":"inauspicious"},{"name":"Śubha","start":"09:24","end":"10:49","startHours":9.395411248054838,"endHours":10.82494529031819,"quality":"auspicious"},{"name":"Roga","start":"10:49","end":"12:15","startHours":10.82494529031819,"endHours":12.254479332581544,"quality":"inauspicious"},{"name":"Udveg","start":"12:15","end":"13:41","startHours":12.254479332581544,"endHours":13.684013374844898,"quality":"inauspicious"},{"name":"Chala","start":"13:41","end":"15:07","startHours":13.684013374844898,"endHours":15.11354741710825,"quality":"neutral"},{"name":"Labha","start":"15:07","end":"16:33","startHours":15.11354741710825,"endHours":16.543081459371606,"quality":"auspicious"},{"name":"Amṛta","start":"16:33","end":"17:58","startHours":16.543081459371606,"endHours":17.97261550163496,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Chala","start":"17:58","end":"19:33","startHours":17.97261550163496,"endHours":19.543081459371606,"quality":"neutral"},{"name":"Labha","start":"19:33","end":"21:07","startHours":19.543081459371606,"endHours":21.11354741710825,"quality":"auspicious"},{"name":"Amṛta","start":"21:07","end":"22:41","startHours":21.11354741710825,"endHours":22.6840133748449,"quality":"auspicious"},{"name":"Kāla","start":"22:41","end":"00:15","startHours":22.6840133748449,"endHours":24.254479332581546,"quality":"inauspicious"},{"name":"Śubha","start":"00:15","end":"01:49","startHours":24.254479332581546,"endHours":25.82494529031819,"quality":"auspicious"},{"name":"Roga","start":"01:49","end":"03:24","startHours":25.82494529031819,"endHours":27.395411248054838,"quality":"inauspicious"},{"name":"Udveg","start":"03:24","end":"04:58","startHours":27.395411248054838,"endHours":28.965877205791486,"quality":"inauspicious"},{"name":"Chala","start":"04:58","end":"06:32","startHours":28.965877205791486,"endHours":30.53634316352813,"quality":"neutral"}],"horas":[{"name":"Hora 1","start":"06:32","end":"07:32","startHours":6.53634316352813,"endHours":7.53634316352813,"planetary_lord":"Moon"},{"name":"Hora 2","start":"07:32","end":"08:32","startHours":7.53634316352813,"endHours":8.53634316352813,"planetary_lord":"Mercury"},{"name":"Hora 3","start":"08:32","end":"09:32","startHours":8.53634316352813,"endHours":9.53634316352813,"planetary_lord":"Venus"},{"name":"Hora 4","start":"09:32","end":"10:32","startHours":9.53634316352813,"endHours":10.53634316352813,"planetary_lord":"Sun"},{"name":"Hora 5","start":"10:32","end":"11:32","startHours":10.53634316352813,"endHours":11.53634316352813,"planetary_lord":"Mars"},{"name":"Hora 6","start":"11:32","end":"12:32","startHours":11.53634316352813,"endHours":12.53634316352813,"planetary_lord":"Jupiter"},{"name":"Hora 7","start":"12:32","end":"13:32","startHours":12.53634316352813,"endHours":13.53634316352813,"planetary_lord":"Saturn"},{"name":"Hora 8","start":"13:32","end":"14:32","startHours":13.53634316352813,"endHours":14.53634316352813,"planetary_lord":"Moon"},{"name":"Hora 9","start":"14:32","end":"15:32","startHours":14.53634316352813,"endHours":15.53634316352813,"planetary_lord":"Mercury"},{"name":"Hora 10","start":"15:32","end":"16:32","startHours":15.53634316352813,"endHours":16.53634316352813,"planetary_lord":"Venus"},{"name":"Hora 11","start":"16:32","end":"17:32","startHours":16.53634316352813,"endHours":17.53634316352813,"planetary_lord":"Sun"},{"name":"Hora 12","start":"17:32","end":"18:32","startHours":17.53634316352813,"endHours":18.53634316352813,"planetary_lord":"Mars"},{"name":"Hora 13","start":"18:32","end":"19:32","startHours":18.53634316352813,"endHours":19.53634316352813,"planetary_lord":"Jupiter"},{"name":"Hora 14","start":"19:32","end":"20:32","startHours":19.53634316352813,"endHours":20.53634316352813,"planetary_lord":"Saturn"},{"name":"Hora 15","start":"20:32","end":"21:32","startHours":20.53634316352813,"endHours":21.53634316352813,"planetary_lord":"Moon"},{"name":"Hora 16","start":"21:32","end":"22:32","startHours":21.53634316352813,"endHours":22.53634316352813,"planetary_lord":"Mercury"},{"name":"Hora 17","start":"22:32","end":"23:32","startHours":22.53634316352813,"endHours":23.53634316352813,"planetary_lord":"Venus"},{"name":"Hora 18","start":"23:32","end":"00:32","startHours":23.53634316352813,"endHours":24.53634316352813,"planetary_lord":"Sun"},{"name":"Hora 19","start":"00:32","end":"01:32","startHours":24.53634316352813,"endHours":25.53634316352813,"planetary_lord":"Mars"},{"name":"Hora 20","start":"01:32","end":"02:32","startHours":25.53634316352813,"endHours":26.53634316352813,"planetary_lord":"Jupiter"},{"name":"Hora 21","start":"02:32","end":"03:32","startHours":26.53634316352813,"endHours":27.53634316352813,"planetary_lord":"Saturn"},{"name":"Hora 22","start":"03:32","end":"04:32","startHours":27.53634316352813,"endHours":28.53634316352813,"planetary_lord":"Moon"},{"name":"Hora 23","start":"04:32","end":"05:32","startHours":28.53634316352813,"endHours":29.53634316352813,"planetary_lord":"Mercury"},{"name":"Hora 24","start":"05:32","end":"06:32","startHours":29.53634316352813,"endHours":30.53634316352813,"planetary_lord":"Venus"}],"taraBala":{"favorable_nakshatras":["Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Aśleṣā","Citrā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa"],"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":"East (Pūrva)","chandraVasa":"North-West","rahuVasa":"North-East","anandadiYoga":{"name":"Mṛtyu","quality":"Inauspicious"},"tropicalRitu":"Śiśira (Winter) (tropical)","vedicRitu":"Śiśira (Winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-10.132512299385041,"eotMinutes":-14.08475995489261,"ayanamsa":19.1893}},"calendars":{"vikram_samvat":1723,"vikram_samvatsara":"Siddhārthī","saka_samvat":1588,"saka_samvatsara":"Parābhava","bengali_samvat":1073,"malayalam_era":842,"nanakshahi_year":197,"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":"Kumbha (Māsi)","ritu":"Śiśira (Winter)","display_summary":"Phālguna Kṛṣṇa Tṛtīyā · Vikram 1723 Siddhārthī · Śaka 1588 Parābhava"},"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 February 22, 1666 CE · Ayodhyā · Vidhyamitra","description":"February 22, 1666 CE for Ayodhyā: Kṛṣṇa Tṛtīyā, sūryodaya 06:32, sūryāsta 17:58.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/ayodhya/1666-02-22","hreflang_alternates":{"en":"https://vidhyamitra.com/city/ayodhya/1666-02-22","sa":"https://sa.vidhyamitra.com/city/ayodhya/1666-02-22","hi":"https://hi.vidhyamitra.com/city/ayodhya/1666-02-22","x-default":"https://vidhyamitra.com/city/ayodhya/1666-02-22"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-04T15:03:22.644Z","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":"2026-06-04T15:03:22.644Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-04T15:03:22.644Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}