{"id":"vidhyamitra:city-day:ayodhya:2166-10-25:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/ayodhya/2166-10-25","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2166-10-25","date_display":"October 25, 2166 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":2166,"month":10,"day":25,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2512472.770833,"kali_year":5268,"ahargana":1924007.2708,"sun":{"sidereal_longitude":184.4122,"rashi":7,"rashi_name":"Tulā"},"moon":{"sidereal_longitude":197.2513,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":2,"name":"Dvitīyā","paksha":"Śukla","full_name":"Śukla Dvitīyā","elongation_degrees":12.8391,"elapsed_within_tithi_degrees":0.8391},"nakshatra":{"number":15,"name":"Svātī","pada":4,"moon_longitude":197.2513,"elapsed_within_degrees":10.5847},"yoga":{"number":2,"name":"Prīti","sum_longitude":21.6635},"karana":{"half_tithi_index":2,"name":"Bālava"},"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":2166,"month":10,"day":25,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2512472.770833,"ahargana":1924007.2708,"kali_year":5268,"ayanamsa_lahiri":26.1833,"grahas":{"sun":{"sidereal_longitude":185.532822,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":4},"retrograde":false},"moon":{"sidereal_longitude":196.40362200000004,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":3},"retrograde":false,"latitude":4.4371},"mars":{"sidereal_longitude":197.57032200000003,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":165.68082200000003,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":41.98742199999998,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":1},"retrograde":true},"venus":{"sidereal_longitude":194.65542200000004,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":256.37282200000004,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":1},"retrograde":false},"rahu":{"sidereal_longitude":116.8358,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Āśleṣā","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":296.8358,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","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":2166,"month":10,"day":25,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2512472.770833,"kali_year":5268,"ahargana":1924007.2708,"sun":{"sidereal_longitude":184.4122,"rashi":7,"rashi_name":"Tulā"},"moon":{"sidereal_longitude":197.2513,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":2,"name":"Dvitīyā","paksha":"Śukla","full_name":"Śukla Dvitīyā","elongation_degrees":12.8391,"elapsed_within_tithi_degrees":0.8391},"nakshatra":{"number":15,"name":"Svātī","pada":4,"moon_longitude":197.2513,"elapsed_within_degrees":10.5847},"yoga":{"number":2,"name":"Prīti","sum_longitude":21.6635},"karana":{"half_tithi_index":2,"name":"Bālava"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":4.437,"elongation":12.839},"lunar":{"type":"lunar","occurs":false,"moon_latitude":4.437,"opposition_distance":167.161}},"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":"06:06","sunsetLocal":"17:24","solarNoonLocal":"11:45","dayLengthHours":11.301184212274753,"dayLengthDisplay":"11 Hours 18 Mins 04 Secs","nightLengthDisplay":"12 Hours 41 Mins 56 Secs","moonriseLocal":"06:58","moonsetLocal":"17:59","rahuKala":{"name":"Rāhu Kāla","start":"08:55","end":"10:20","startHours":8.923856295815213,"endHours":10.336504322349557,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"13:10","end":"14:34","startHours":13.161800375418245,"endHours":14.574448401952589,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"06:06","end":"07:31","startHours":6.098560242746524,"endHours":7.511208269280869,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:44","end":"09:07","startHours":8.735503225610634,"endHours":9.112209366019792,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:34","end":"06:52","startHours":6.569442918257972,"endHours":6.870807830585299,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:22","end":"12:08","startHours":11.372446208474743,"endHours":12.12585848929306,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:36","end":"05:21","startHours":4.59173568110989,"endHours":5.345147961928207,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:09","end":"06:06","startHours":5.156794891723628,"endHours":6.098560242746524,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:38","end":"14:23","startHours":13.632683050929693,"endHours":14.38609533174801,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:12","end":"17:36","startHours":17.19974445502128,"endHours":17.599744455021277,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:24","end":"17:52","startHours":17.399744455021278,"endHours":17.870627130532725,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:09","end":"18:54","startHours":17.149744455021278,"endHours":18.899744455021278,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:22","end":"00:08","startHours":23.372446208474745,"endHours":24.125858489293062,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Kāla","start":"06:06","end":"07:31","startHours":6.098560242746524,"endHours":7.511208269280869,"quality":"inauspicious"},{"name":"Śubha","start":"07:31","end":"08:55","startHours":7.511208269280869,"endHours":8.923856295815213,"quality":"auspicious"},{"name":"Roga","start":"08:55","end":"10:20","startHours":8.923856295815213,"endHours":10.336504322349557,"quality":"inauspicious"},{"name":"Udveg","start":"10:20","end":"11:45","startHours":10.336504322349557,"endHours":11.7491523488839,"quality":"inauspicious"},{"name":"Chala","start":"11:45","end":"13:10","startHours":11.7491523488839,"endHours":13.161800375418245,"quality":"neutral"},{"name":"Labha","start":"13:10","end":"14:34","startHours":13.161800375418245,"endHours":14.574448401952589,"quality":"auspicious"},{"name":"Amṛta","start":"14:34","end":"15:59","startHours":14.574448401952589,"endHours":15.987096428486934,"quality":"auspicious"},{"name":"Kāla","start":"15:59","end":"17:24","startHours":15.987096428486934,"endHours":17.399744455021278,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Labha","start":"17:24","end":"18:59","startHours":17.399744455021278,"endHours":18.987096428486932,"quality":"auspicious"},{"name":"Amṛta","start":"18:59","end":"20:34","startHours":18.987096428486932,"endHours":20.57444840195259,"quality":"auspicious"},{"name":"Kāla","start":"20:34","end":"22:10","startHours":20.57444840195259,"endHours":22.161800375418245,"quality":"inauspicious"},{"name":"Śubha","start":"22:10","end":"23:45","startHours":22.161800375418245,"endHours":23.7491523488839,"quality":"auspicious"},{"name":"Roga","start":"23:45","end":"01:20","startHours":23.7491523488839,"endHours":25.336504322349555,"quality":"inauspicious"},{"name":"Udveg","start":"01:20","end":"02:55","startHours":25.336504322349555,"endHours":26.923856295815213,"quality":"inauspicious"},{"name":"Chala","start":"02:55","end":"04:31","startHours":26.923856295815213,"endHours":28.511208269280868,"quality":"neutral"},{"name":"Labha","start":"04:31","end":"06:06","startHours":28.511208269280868,"endHours":30.098560242746522,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:06","end":"07:06","startHours":6.098560242746524,"endHours":7.098560242746524,"planetary_lord":"Saturn"},{"name":"Hora 2","start":"07:06","end":"08:06","startHours":7.098560242746524,"endHours":8.098560242746524,"planetary_lord":"Moon"},{"name":"Hora 3","start":"08:06","end":"09:06","startHours":8.098560242746524,"endHours":9.098560242746524,"planetary_lord":"Mercury"},{"name":"Hora 4","start":"09:06","end":"10:06","startHours":9.098560242746524,"endHours":10.098560242746524,"planetary_lord":"Venus"},{"name":"Hora 5","start":"10:06","end":"11:06","startHours":10.098560242746524,"endHours":11.098560242746524,"planetary_lord":"Sun"},{"name":"Hora 6","start":"11:06","end":"12:06","startHours":11.098560242746524,"endHours":12.098560242746524,"planetary_lord":"Mars"},{"name":"Hora 7","start":"12:06","end":"13:06","startHours":12.098560242746524,"endHours":13.098560242746524,"planetary_lord":"Jupiter"},{"name":"Hora 8","start":"13:06","end":"14:06","startHours":13.098560242746524,"endHours":14.098560242746524,"planetary_lord":"Saturn"},{"name":"Hora 9","start":"14:06","end":"15:06","startHours":14.098560242746524,"endHours":15.098560242746524,"planetary_lord":"Moon"},{"name":"Hora 10","start":"15:06","end":"16:06","startHours":15.098560242746524,"endHours":16.098560242746522,"planetary_lord":"Mercury"},{"name":"Hora 11","start":"16:06","end":"17:06","startHours":16.098560242746522,"endHours":17.098560242746522,"planetary_lord":"Venus"},{"name":"Hora 12","start":"17:06","end":"18:06","startHours":17.098560242746522,"endHours":18.098560242746522,"planetary_lord":"Sun"},{"name":"Hora 13","start":"18:06","end":"19:06","startHours":18.098560242746522,"endHours":19.098560242746522,"planetary_lord":"Mars"},{"name":"Hora 14","start":"19:06","end":"20:06","startHours":19.098560242746522,"endHours":20.098560242746522,"planetary_lord":"Jupiter"},{"name":"Hora 15","start":"20:06","end":"21:06","startHours":20.098560242746522,"endHours":21.098560242746522,"planetary_lord":"Saturn"},{"name":"Hora 16","start":"21:06","end":"22:06","startHours":21.098560242746522,"endHours":22.098560242746522,"planetary_lord":"Moon"},{"name":"Hora 17","start":"22:06","end":"23:06","startHours":22.098560242746522,"endHours":23.098560242746522,"planetary_lord":"Mercury"},{"name":"Hora 18","start":"23:06","end":"00:06","startHours":23.098560242746522,"endHours":24.098560242746522,"planetary_lord":"Venus"},{"name":"Hora 19","start":"00:06","end":"01:06","startHours":24.098560242746522,"endHours":25.098560242746522,"planetary_lord":"Sun"},{"name":"Hora 20","start":"01:06","end":"02:06","startHours":25.098560242746522,"endHours":26.098560242746522,"planetary_lord":"Mars"},{"name":"Hora 21","start":"02:06","end":"03:06","startHours":26.098560242746522,"endHours":27.098560242746522,"planetary_lord":"Jupiter"},{"name":"Hora 22","start":"03:06","end":"04:06","startHours":27.098560242746522,"endHours":28.098560242746522,"planetary_lord":"Saturn"},{"name":"Hora 23","start":"04:06","end":"05:06","startHours":28.098560242746522,"endHours":29.098560242746522,"planetary_lord":"Moon"},{"name":"Hora 24","start":"05:06","end":"06:06","startHours":29.098560242746522,"endHours":30.098560242746522,"planetary_lord":"Mercury"}],"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":"East (Pūrva)","chandraVasa":"North","rahuVasa":"East","anandadiYoga":{"name":"Chatra","quality":"Auspicious"},"tropicalRitu":"Śarad (Autumn) (tropical)","vedicRitu":"Śarad (Autumn)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-12.069166543623634,"eotMinutes":16.234859066965946,"ayanamsa":26.1833}},"calendars":{"vikram_samvat":2223,"vikram_samvatsara":"Pramāthi","saka_samvat":2088,"saka_samvatsara":"Akṣaya","bengali_samvat":1573,"malayalam_era":1342,"nanakshahi_year":697,"lunar_month":"Kārtika","lunar_month_paksha_full":"Kārtika Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Kārtika","lunar_month_amanta":"Kārtika","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Tulā (Aippasi)","ritu":"Śarad (Autumn)","display_summary":"Kārtika Śukla Dvitīyā · Vikram 2223 Pramāthi · Śaka 2088 Akṣaya"},"festivals":[{"id":"bhai-dooj","name":"Bhāi Dūja / Bhrātṛ Dvitīyā","name_sanskrit":"भ्रातृ द्वितीया","tradition":"Pan-Hindu","associated_deity":"Yama + Yamunā (sister-brother)","significance":"Yamunā's reception of brother Yama; sisters welcome brothers. Day 5 of Diwali.","vrata":true,"detection":{"tithi_number":2,"tithi_paksha":"Śukla","lunar_month":"Kārtika"},"precedence":3}],"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 October 25, 2166 CE · Ayodhyā · Vidhyamitra","description":"October 25, 2166 CE for Ayodhyā: Śukla Dvitīyā, sūryodaya 06:06, sūryāsta 17:24.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/ayodhya/2166-10-25","hreflang_alternates":{"en":"https://vidhyamitra.com/city/ayodhya/2166-10-25","sa":"https://sa.vidhyamitra.com/city/ayodhya/2166-10-25","hi":"https://hi.vidhyamitra.com/city/ayodhya/2166-10-25","x-default":"https://vidhyamitra.com/city/ayodhya/2166-10-25"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T11:34:26.382Z","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":"2026-05-31T11:34:26.382Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T11:34:26.382Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}