{"id":"vidhyamitra:city-day:ayodhya:2121-10-10:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/ayodhya/2121-10-10","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2121-10-10","date_display":"October 10, 2121 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":2121,"month":10,"day":10,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2496021.770833,"kali_year":5223,"ahargana":1907556.2708,"sun":{"sidereal_longitude":170.1579,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":152.3819,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":29,"name":"Caturdaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Caturdaśī","elongation_degrees":342.224,"elapsed_within_tithi_degrees":6.224},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":2,"moon_longitude":152.3819,"elapsed_within_degrees":5.7152},"yoga":{"number":25,"name":"Brahma","sum_longitude":322.5398},"karana":{"half_tithi_index":57,"name":"Śakuni"},"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":2121,"month":10,"day":10,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2496021.770833,"ahargana":1907556.2708,"kali_year":5223,"ayanamsa_lahiri":25.5541,"grahas":{"sun":{"sidereal_longitude":171.196371,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":4},"retrograde":false},"moon":{"sidereal_longitude":153.724871,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":3},"retrograde":false,"latitude":-4.0401},"mars":{"sidereal_longitude":204.17607099999998,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":153.47157100000004,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":117.68317100000002,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":4},"retrograde":false},"venus":{"sidereal_longitude":154.77437099999997,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":81.15007100000003,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":1},"retrograde":false},"rahu":{"sidereal_longitude":268.489,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":88.489,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":3},"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":2121,"month":10,"day":10,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2496021.770833,"kali_year":5223,"ahargana":1907556.2708,"sun":{"sidereal_longitude":170.1579,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":152.3819,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":29,"name":"Caturdaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Caturdaśī","elongation_degrees":342.224,"elapsed_within_tithi_degrees":6.224},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":2,"moon_longitude":152.3819,"elapsed_within_degrees":5.7152},"yoga":{"number":25,"name":"Brahma","sum_longitude":322.5398},"karana":{"half_tithi_index":57,"name":"Śakuni"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-4.04,"elongation":17.776},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-4.04,"opposition_distance":162.224}},"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":"05:57","sunsetLocal":"17:38","solarNoonLocal":"11:47","dayLengthHours":11.679898057571355,"dayLengthDisplay":"11 Hours 40 Mins 48 Secs","nightLengthDisplay":"12 Hours 19 Mins 12 Secs","moonriseLocal":"04:34","moonsetLocal":"16:41","rahuKala":{"name":"Rāhu Kāla","start":"10:20","end":"11:47","startHours":10.330688641604086,"endHours":11.790675898800504,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"14:43","end":"16:10","startHours":14.710650413193344,"endHours":16.170637670389766,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"07:25","end":"08:52","startHours":7.410714127211247,"endHours":8.870701384407667,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:41","end":"09:04","startHours":8.676036416781477,"endHours":9.065366352033855,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:26","end":"06:45","startHours":6.437389289080301,"endHours":6.748853237282203,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:24","end":"12:11","startHours":11.401345963548128,"endHours":12.180005834052885,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:24","end":"05:10","startHours":4.393407129005314,"endHours":5.17206699951007,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:59","end":"05:57","startHours":4.977402031883882,"endHours":5.950726870014828,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:44","end":"14:31","startHours":13.737325575062398,"endHours":14.515985445567155,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:26","end":"17:50","startHours":17.430624927586184,"endHours":17.830624927586182,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:38","end":"18:07","startHours":17.630624927586183,"endHours":18.117287346651658,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:23","end":"19:08","startHours":17.380624927586183,"endHours":19.130624927586183,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:24","end":"00:11","startHours":23.40134596354813,"endHours":24.180005834052885,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Chala","start":"05:57","end":"07:25","startHours":5.950726870014828,"endHours":7.410714127211247,"quality":"neutral"},{"name":"Labha","start":"07:25","end":"08:52","startHours":7.410714127211247,"endHours":8.870701384407667,"quality":"auspicious"},{"name":"Amṛta","start":"08:52","end":"10:20","startHours":8.870701384407667,"endHours":10.330688641604086,"quality":"auspicious"},{"name":"Kāla","start":"10:20","end":"11:47","startHours":10.330688641604086,"endHours":11.790675898800504,"quality":"inauspicious"},{"name":"Śubha","start":"11:47","end":"13:15","startHours":11.790675898800504,"endHours":13.250663155996925,"quality":"auspicious"},{"name":"Roga","start":"13:15","end":"14:43","startHours":13.250663155996925,"endHours":14.710650413193344,"quality":"inauspicious"},{"name":"Udveg","start":"14:43","end":"16:10","startHours":14.710650413193344,"endHours":16.170637670389766,"quality":"inauspicious"},{"name":"Chala","start":"16:10","end":"17:38","startHours":16.170637670389766,"endHours":17.630624927586183,"quality":"neutral"}],"nightChoghadiyas":[{"name":"Roga","start":"17:38","end":"19:10","startHours":17.630624927586183,"endHours":19.170637670389763,"quality":"inauspicious"},{"name":"Udveg","start":"19:10","end":"20:43","startHours":19.170637670389763,"endHours":20.710650413193346,"quality":"inauspicious"},{"name":"Chala","start":"20:43","end":"22:15","startHours":20.710650413193346,"endHours":22.250663155996925,"quality":"neutral"},{"name":"Labha","start":"22:15","end":"23:47","startHours":22.250663155996925,"endHours":23.790675898800504,"quality":"auspicious"},{"name":"Amṛta","start":"23:47","end":"01:20","startHours":23.790675898800504,"endHours":25.330688641604084,"quality":"auspicious"},{"name":"Kāla","start":"01:20","end":"02:52","startHours":25.330688641604084,"endHours":26.870701384407667,"quality":"inauspicious"},{"name":"Śubha","start":"02:52","end":"04:25","startHours":26.870701384407667,"endHours":28.410714127211246,"quality":"auspicious"},{"name":"Roga","start":"04:25","end":"05:57","startHours":28.410714127211246,"endHours":29.950726870014826,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"05:57","end":"06:57","startHours":5.950726870014828,"endHours":6.950726870014828,"planetary_lord":"Venus"},{"name":"Hora 2","start":"06:57","end":"07:57","startHours":6.950726870014828,"endHours":7.950726870014828,"planetary_lord":"Sun"},{"name":"Hora 3","start":"07:57","end":"08:57","startHours":7.950726870014828,"endHours":8.950726870014828,"planetary_lord":"Mars"},{"name":"Hora 4","start":"08:57","end":"09:57","startHours":8.950726870014828,"endHours":9.950726870014828,"planetary_lord":"Jupiter"},{"name":"Hora 5","start":"09:57","end":"10:57","startHours":9.950726870014828,"endHours":10.950726870014828,"planetary_lord":"Saturn"},{"name":"Hora 6","start":"10:57","end":"11:57","startHours":10.950726870014828,"endHours":11.950726870014828,"planetary_lord":"Moon"},{"name":"Hora 7","start":"11:57","end":"12:57","startHours":11.950726870014828,"endHours":12.950726870014828,"planetary_lord":"Mercury"},{"name":"Hora 8","start":"12:57","end":"13:57","startHours":12.950726870014828,"endHours":13.950726870014828,"planetary_lord":"Venus"},{"name":"Hora 9","start":"13:57","end":"14:57","startHours":13.950726870014828,"endHours":14.950726870014828,"planetary_lord":"Sun"},{"name":"Hora 10","start":"14:57","end":"15:57","startHours":14.950726870014828,"endHours":15.950726870014828,"planetary_lord":"Mars"},{"name":"Hora 11","start":"15:57","end":"16:57","startHours":15.950726870014828,"endHours":16.950726870014826,"planetary_lord":"Jupiter"},{"name":"Hora 12","start":"16:57","end":"17:57","startHours":16.950726870014826,"endHours":17.950726870014826,"planetary_lord":"Saturn"},{"name":"Hora 13","start":"17:57","end":"18:57","startHours":17.950726870014826,"endHours":18.950726870014826,"planetary_lord":"Moon"},{"name":"Hora 14","start":"18:57","end":"19:57","startHours":18.950726870014826,"endHours":19.950726870014826,"planetary_lord":"Mercury"},{"name":"Hora 15","start":"19:57","end":"20:57","startHours":19.950726870014826,"endHours":20.950726870014826,"planetary_lord":"Venus"},{"name":"Hora 16","start":"20:57","end":"21:57","startHours":20.950726870014826,"endHours":21.950726870014826,"planetary_lord":"Sun"},{"name":"Hora 17","start":"21:57","end":"22:57","startHours":21.950726870014826,"endHours":22.950726870014826,"planetary_lord":"Mars"},{"name":"Hora 18","start":"22:57","end":"23:57","startHours":22.950726870014826,"endHours":23.950726870014826,"planetary_lord":"Jupiter"},{"name":"Hora 19","start":"23:57","end":"00:57","startHours":23.950726870014826,"endHours":24.950726870014826,"planetary_lord":"Saturn"},{"name":"Hora 20","start":"00:57","end":"01:57","startHours":24.950726870014826,"endHours":25.950726870014826,"planetary_lord":"Moon"},{"name":"Hora 21","start":"01:57","end":"02:57","startHours":25.950726870014826,"endHours":26.950726870014826,"planetary_lord":"Mercury"},{"name":"Hora 22","start":"02:57","end":"03:57","startHours":26.950726870014826,"endHours":27.950726870014826,"planetary_lord":"Venus"},{"name":"Hora 23","start":"03:57","end":"04:57","startHours":27.950726870014826,"endHours":28.950726870014826,"planetary_lord":"Sun"},{"name":"Hora 24","start":"04:57","end":"05:57","startHours":28.950726870014826,"endHours":29.950726870014826,"planetary_lord":"Mars"}],"taraBala":{"favorable_nakshatras":["Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Hasta","Citrā","Svātī","Viśākhā","Anurādhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Revatī"],"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":"West (Paścim)","chandraVasa":"North-West","rahuVasa":"South-East","anandadiYoga":{"name":"Prajāpati","quality":"Auspicious"},"drikRitu":"Śarad (Autumn) (Drik)","vedicRitu":"Varṣā (Monsoon)","drikAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":-6.5821773125336165,"eotMinutes":13.743446071969673,"ayanamsa":25.5541}},"calendars":{"vikram_samvat":2178,"vikram_samvatsara":"Jaya","saka_samvat":2043,"saka_samvatsara":"Vṛṣa","bengali_samvat":1528,"malayalam_era":1297,"nanakshahi_year":652,"lunar_month":"Āśvina","lunar_month_paksha_full":"Āśvina Kṛṣṇa Pakṣa","solar_month":"Kanyā (Puraṭṭāsi)","ritu":"Śarad (Autumn)","display_summary":"Āśvina Kṛṣṇa Caturdaśī · Vikram 2178 Jaya · Śaka 2043 Vṛṣa"},"festivals":[{"id":"kanya-sankranti","name":"Kanyā Saṅkrānti (Mahālaya begins)","name_sanskrit":"कन्या सङ्क्रान्ति","tradition":"Pan-Hindu","significance":"Sun enters Virgo; Mahālaya / Pitṛ-Pakṣa solar marker.","vrata":false,"detection":{"sun_rashi":"Kanyā"},"precedence":4},{"id":"masika-shivaratri","name":"Māsika Śivarātri","name_sanskrit":"मासिक शिवरात्रि","tradition":"Shaiva","associated_deity":"Śiva","significance":"Monthly Śiva observance.","vrata":true,"detection":{"tithi_number":29,"tithi_paksha":"Kṛṣṇa"},"precedence":6}],"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 October 10, 2121 CE · Ayodhyā · Vidhyamitra","description":"October 10, 2121 CE for Ayodhyā: Kṛṣṇa Caturdaśī, sūryodaya 05:57, sūryāsta 17:38.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/ayodhya/2121-10-10","hreflang_alternates":{"en":"https://vidhyamitra.com/city/ayodhya/2121-10-10","sa":"https://sa.vidhyamitra.com/city/ayodhya/2121-10-10","hi":"https://hi.vidhyamitra.com/city/ayodhya/2121-10-10","x-default":"https://vidhyamitra.com/city/ayodhya/2121-10-10"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-17T04:48:22.411Z","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":"2026-05-17T04:48:22.411Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-17T04:48:22.411Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}