{"id":"vidhyamitra:city-day:ayodhya:2173-02-28:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/ayodhya/2173-02-28","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2173-02-28","date_display":"February 28, 2173 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":2173,"month":2,"day":28,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2514790.770833,"kali_year":5274,"ahargana":1926325.2708,"sun":{"sidereal_longitude":313.2716,"rashi":11,"rashi_name":"Kumbha"},"moon":{"sidereal_longitude":135.9643,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":16,"name":"Pratipada","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Pratipada","elongation_degrees":182.6927,"elapsed_within_tithi_degrees":2.6927},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":1,"moon_longitude":135.9643,"elapsed_within_degrees":2.6309},"yoga":{"number":7,"name":"Sukarma","sum_longitude":89.2359},"karana":{"half_tithi_index":30,"name":"Bālava"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"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":2173,"month":2,"day":28,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2514790.770833,"ahargana":1926325.2708,"kali_year":5274,"ayanamsa_lahiri":26.2719,"grahas":{"sun":{"sidereal_longitude":313.53055700000004,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":3},"retrograde":false},"moon":{"sidereal_longitude":136.16855699999996,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":1},"retrograde":false,"latitude":2.772},"mars":{"sidereal_longitude":339.991257,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":285.18715700000007,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":229.52815699999996,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":1},"retrograde":false},"venus":{"sidereal_longitude":316.079657,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":333.012557,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":4},"retrograde":false},"rahu":{"sidereal_longitude":354.017,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":174.017,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":14,"name":"Citrā","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":2173,"month":2,"day":28,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2514790.770833,"kali_year":5274,"ahargana":1926325.2708,"sun":{"sidereal_longitude":313.2716,"rashi":11,"rashi_name":"Kumbha"},"moon":{"sidereal_longitude":135.9643,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":16,"name":"Pratipada","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Pratipada","elongation_degrees":182.6927,"elapsed_within_tithi_degrees":2.6927},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":1,"moon_longitude":135.9643,"elapsed_within_degrees":2.6309},"yoga":{"number":7,"name":"Sukarma","sum_longitude":89.2359},"karana":{"half_tithi_index":30,"name":"Bālava"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":2.772,"elongation":177.307},"lunar":{"type":"lunar","occurs":false,"moon_latitude":2.772,"opposition_distance":2.693}},"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":"06:27","sunsetLocal":"18:02","solarNoonLocal":"12:14","dayLengthHours":11.59046286201999,"dayLengthDisplay":"11 Hours 35 Mins 26 Secs","nightLengthDisplay":"12 Hours 24 Mins 34 Secs","moonriseLocal":"18:08","moonsetLocal":"06:42","rahuKala":{"name":"Rāhu Kāla","start":"16:35","end":"18:02","startHours":16.586541220357955,"endHours":18.035349078110453,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"12:14","end":"13:41","startHours":12.240117647100458,"endHours":13.688925504852957,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"15:08","end":"16:35","startHours":15.137733362605456,"endHours":16.586541220357955,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:09","end":"09:32","startHours":9.149327550561793,"endHours":9.535676312629127,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:56","end":"07:14","startHours":6.927822168674629,"endHours":7.2369011783284956,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:51","end":"12:38","startHours":11.853768885033125,"endHours":12.626466409167792,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:54","end":"05:40","startHours":4.899491167821131,"endHours":5.672188691955796,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:29","end":"06:27","startHours":5.47901431092213,"endHours":6.444886216090462,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:10","end":"14:57","startHours":14.171861457437121,"endHours":14.944558981571786,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:50","end":"18:14","startHours":17.835349078110454,"endHours":18.235349078110453,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:02","end":"18:31","startHours":18.035349078110453,"endHours":18.51828503069462,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:47","end":"19:32","startHours":17.785349078110453,"endHours":19.535349078110453,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:51","end":"00:38","startHours":23.853768885033126,"endHours":24.62646640916779,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Udveg","start":"06:27","end":"07:54","startHours":6.444886216090462,"endHours":7.893694073842961,"quality":"inauspicious"},{"name":"Chala","start":"07:54","end":"09:21","startHours":7.893694073842961,"endHours":9.34250193159546,"quality":"neutral"},{"name":"Labha","start":"09:21","end":"10:47","startHours":9.34250193159546,"endHours":10.79130978934796,"quality":"auspicious"},{"name":"Amṛta","start":"10:47","end":"12:14","startHours":10.79130978934796,"endHours":12.240117647100458,"quality":"auspicious"},{"name":"Kāla","start":"12:14","end":"13:41","startHours":12.240117647100458,"endHours":13.688925504852957,"quality":"inauspicious"},{"name":"Śubha","start":"13:41","end":"15:08","startHours":13.688925504852957,"endHours":15.137733362605456,"quality":"auspicious"},{"name":"Roga","start":"15:08","end":"16:35","startHours":15.137733362605456,"endHours":16.586541220357955,"quality":"inauspicious"},{"name":"Udveg","start":"16:35","end":"18:02","startHours":16.586541220357955,"endHours":18.035349078110453,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Śubha","start":"18:02","end":"19:35","startHours":18.035349078110453,"endHours":19.586541220357955,"quality":"auspicious"},{"name":"Roga","start":"19:35","end":"21:08","startHours":19.586541220357955,"endHours":21.137733362605456,"quality":"inauspicious"},{"name":"Udveg","start":"21:08","end":"22:41","startHours":21.137733362605456,"endHours":22.688925504852957,"quality":"inauspicious"},{"name":"Chala","start":"22:41","end":"00:14","startHours":22.688925504852957,"endHours":24.24011764710046,"quality":"neutral"},{"name":"Labha","start":"00:14","end":"01:47","startHours":24.24011764710046,"endHours":25.79130978934796,"quality":"auspicious"},{"name":"Amṛta","start":"01:47","end":"03:21","startHours":25.79130978934796,"endHours":27.34250193159546,"quality":"auspicious"},{"name":"Kāla","start":"03:21","end":"04:54","startHours":27.34250193159546,"endHours":28.893694073842962,"quality":"inauspicious"},{"name":"Śubha","start":"04:54","end":"06:27","startHours":28.893694073842962,"endHours":30.444886216090463,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:27","end":"07:27","startHours":6.444886216090462,"endHours":7.444886216090462,"planetary_lord":"Sun"},{"name":"Hora 2","start":"07:27","end":"08:27","startHours":7.444886216090462,"endHours":8.444886216090463,"planetary_lord":"Mars"},{"name":"Hora 3","start":"08:27","end":"09:27","startHours":8.444886216090463,"endHours":9.444886216090463,"planetary_lord":"Jupiter"},{"name":"Hora 4","start":"09:27","end":"10:27","startHours":9.444886216090463,"endHours":10.444886216090463,"planetary_lord":"Saturn"},{"name":"Hora 5","start":"10:27","end":"11:27","startHours":10.444886216090463,"endHours":11.444886216090463,"planetary_lord":"Moon"},{"name":"Hora 6","start":"11:27","end":"12:27","startHours":11.444886216090463,"endHours":12.444886216090463,"planetary_lord":"Mercury"},{"name":"Hora 7","start":"12:27","end":"13:27","startHours":12.444886216090463,"endHours":13.444886216090463,"planetary_lord":"Venus"},{"name":"Hora 8","start":"13:27","end":"14:27","startHours":13.444886216090463,"endHours":14.444886216090463,"planetary_lord":"Sun"},{"name":"Hora 9","start":"14:27","end":"15:27","startHours":14.444886216090463,"endHours":15.444886216090463,"planetary_lord":"Mars"},{"name":"Hora 10","start":"15:27","end":"16:27","startHours":15.444886216090463,"endHours":16.444886216090463,"planetary_lord":"Jupiter"},{"name":"Hora 11","start":"16:27","end":"17:27","startHours":16.444886216090463,"endHours":17.444886216090463,"planetary_lord":"Saturn"},{"name":"Hora 12","start":"17:27","end":"18:27","startHours":17.444886216090463,"endHours":18.444886216090463,"planetary_lord":"Moon"},{"name":"Hora 13","start":"18:27","end":"19:27","startHours":18.444886216090463,"endHours":19.444886216090463,"planetary_lord":"Mercury"},{"name":"Hora 14","start":"19:27","end":"20:27","startHours":19.444886216090463,"endHours":20.444886216090463,"planetary_lord":"Venus"},{"name":"Hora 15","start":"20:27","end":"21:27","startHours":20.444886216090463,"endHours":21.444886216090463,"planetary_lord":"Sun"},{"name":"Hora 16","start":"21:27","end":"22:27","startHours":21.444886216090463,"endHours":22.444886216090463,"planetary_lord":"Mars"},{"name":"Hora 17","start":"22:27","end":"23:27","startHours":22.444886216090463,"endHours":23.444886216090463,"planetary_lord":"Jupiter"},{"name":"Hora 18","start":"23:27","end":"00:27","startHours":23.444886216090463,"endHours":24.444886216090463,"planetary_lord":"Saturn"},{"name":"Hora 19","start":"00:27","end":"01:27","startHours":24.444886216090463,"endHours":25.444886216090463,"planetary_lord":"Moon"},{"name":"Hora 20","start":"01:27","end":"02:27","startHours":25.444886216090463,"endHours":26.444886216090463,"planetary_lord":"Mercury"},{"name":"Hora 21","start":"02:27","end":"03:27","startHours":26.444886216090463,"endHours":27.444886216090463,"planetary_lord":"Venus"},{"name":"Hora 22","start":"03:27","end":"04:27","startHours":27.444886216090463,"endHours":28.444886216090463,"planetary_lord":"Sun"},{"name":"Hora 23","start":"04:27","end":"05:27","startHours":28.444886216090463,"endHours":29.444886216090463,"planetary_lord":"Mars"},{"name":"Hora 24","start":"05:27","end":"06:27","startHours":29.444886216090463,"endHours":30.444886216090463,"planetary_lord":"Jupiter"}],"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":["Vṛṣabha","Mithuna","Siṃha","Tulā","Makara","Kumbha"],"unfavorable_rashis":["Meṣa","Karka","Kanyā","Vṛścika","Dhanu","Mīna"]},"dishaShool":"West (Paścim)","chandraVasa":"West","rahuVasa":"North-East","anandadiYoga":{"name":"Chatra","quality":"Auspicious"},"drikRitu":"Śiśira (Winter) (Drik)","vedicRitu":"Śiśira (Winter)","drikAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":-7.892812825828324,"eotMinutes":-13.223058826027486,"ayanamsa":26.2719}},"calendars":{"vikram_samvat":2230,"vikram_samvatsara":"Vyaya","saka_samvat":2095,"saka_samvatsara":"Śrīmukha","bengali_samvat":1580,"malayalam_era":1349,"nanakshahi_year":704,"lunar_month":"Phālguna","lunar_month_paksha_full":"Phālguna Kṛṣṇa Pakṣa","solar_month":"Kumbha (Māsi)","ritu":"Śiśira (Winter)","display_summary":"Phālguna Kṛṣṇa Pratipada · Vikram 2230 Vyaya · Śaka 2095 Śrīmukha"},"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":"Kumbha"},"precedence":5}],"todays_walk":{"walk":{"id":"surya-walk","name":"Sūrya Walk","name_sanskrit":"सूर्य यात्रा","type":"graha","description":"Self-illumination + BG 4.1 (Sun-lineage of Gītā transmission).","step_count":6,"url":"/walk/surya-walk"},"reason":"Ravivāra (Sunday) — 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 28, 2173 CE · Ayodhyā · Vidhyamitra","description":"February 28, 2173 CE for Ayodhyā: Kṛṣṇa Pratipada, sūryodaya 06:27, sūryāsta 18:02.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/ayodhya/2173-02-28","hreflang_alternates":{"en":"https://vidhyamitra.com/city/ayodhya/2173-02-28","sa":"https://sa.vidhyamitra.com/city/ayodhya/2173-02-28","hi":"https://hi.vidhyamitra.com/city/ayodhya/2173-02-28","x-default":"https://vidhyamitra.com/city/ayodhya/2173-02-28"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-20T19:09:27.231Z","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":"2026-05-20T19:09:27.231Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-20T19:09:27.231Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}